PCE Americas PCE-428 User Manual
  1. Manuals
  2. Brands
  3. PCE Americas Manuals
  4. Measuring Instruments
  5. PCE-428
  6. User manual

PCE Americas PCE-428 User Manual

Sound level meter
Hide thumbs
Table of Contents

Advertisement

Quick Links

User Manual

Sound Level Meter

PCE-428
PCE-430
PCE-432
PCE Americas Inc.
711 Commerce Way
Suite 8
Jupiter
FL-33458
USA
From outside US: +1
Tel: (561) 320-9162
Fax: (561) 320-9176
info@pce-americas.com
www.pce-instruments.com/english
www.pce-instruments.com
PCE Instruments UK Ltd.
Units 12/13
Southpoint Business Park
Ensign way
Hampshire / Southampton
United Kingdom, SO31 4RF
From outside UK: +44
Tel: (0) 2380 98703 0
Fax: (0) 2380 98703 9
info@industrial-needs.com

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the PCE-428 and is the answer not in the manual?

Questions and answers

Related Manuals for PCE Americas PCE-428

Summary of Contents for PCE Americas PCE-428

  • Page 1: Sound Level Meter

    PCE Americas Inc. PCE Instruments UK Ltd. 711 Commerce Way Units 12/13 Suite 8 Southpoint Business Park Jupiter Ensign way FL-33458 Hampshire / Southampton United Kingdom, SO31 4RF From outside US: +1 From outside UK: +44 Tel: (561) 320-9162 Tel: (0) 2380 98703 0...

  • Page 2: Table Of Contents

    PCE-428 / 430 / 432 Contents Contents ......................... 2 Appearance ........................6 Buttons of Operation ....................... 7 1. Introduction ......................... 8 1.1 General Description ....................8 1.2 Applications ......................8 1.3 Features ........................8 1.4 Function Upgrades ....................9 1.5 Spectification ......................9 1.6 Information for Periodic Tests ................
  • Page 3 PCE-428 / 430 / 432 3.4 Screen of 1/3 Octave Mode ................... 30 4. Operation and Setting of the Menu ................32 4.1 Function ........................ 32 4.2 Calibration ......................33 4.2.1 Calibration by Measurement ................33 4.2.2 Calibration by Cal.Factor .................. 33 4.2.3 Conversion of Cal.Factor and Sensitivity ............
  • Page 4 PCE-428 / 430 / 432 4.4.9 Boot Mode ......................49 4.4.10 USB Mode ...................... 50 4.4.11 GPS ........................ 51 4.4.12 Setup Template ....................51 4.4.13 About ......................52 4.5 Language ......................52 4.6 Output ........................52 4.6.1 AC OUT ......................52 4.6.2 DC OUT ......................
  • Page 5 PCE-428 / 430 / 432 6.3 Calibration ......................101 6.4 Firmware Update ....................101 6.4.1 Install USB Driver ................... 101 6.4.2 Firmware Update Procedure ................102 6.5 Warranty ......................103 6.6 Customer Service Phone Number ............... 104 Annex 1 Glossary ....................... 105 Annex 2 Adjustments at the Calibration Check Frequency ...........

  • Page 6: Appearance

    PCE-428 / 430 / 432 Appearance...

  • Page 7: Buttons Of Operation

    PCE-428 / 430 / 432 Buttons of Operation LED indicator <Power> LCD Screen <Enter> <ESC> Arrow keys <▲><▼> <◄><►> <Start/Stop> <Backlight> <Menu>...

  • Page 8: Introduction

    PCE-428/430/432 The new are new generation octave sound level meter upgrade from base PCE-428/430/432 to meet the market demand. It fulfill the 1/1 octave requirement of IEC standard and China GB/T standard. PCE-428/430/432 is a digital sound level meter which design and manufacture by...

  • Page 9: Function Upgrades

    PCE-428 / 430 / 432 frequency/time weighting  Calculate SPL, LEQ, Max, Min, Peak, SD, SEL, E  LN statistical and time history curve display  User define integral period measurement, integral period up to 24h  High speed ARM core with FPU (Float Point Unit) to achieve wide frequency response, large dynamic range and low noise floor ...
  • Page 10 PCE-428 / 430 / 432 MPA231T: 1/2” prepolarized MPA309T: 1/2” prepolarized Supplied measurement microphone, Class measurement microphone, Class Microphone 1. Sensitivity: 40mV/Pa. Frequency 2. Sensitivity: 40mV/Pa. Frequency Range: 3Hz~20kHz. Range: 20Hz~12.5kHz. Mic Interface TNC connecter with ICCP power supply (4mA) Detector / Filter Fully float-point digital signal processing (digital detector and filter）...
  • Page 11 PCE-428 / 430 / 432 2, 3 Peak C Range 47dB~139dB 50dB~139dB Maximum input voltage: 5Vrms (7.07Vpeak). Input impedance of Electrical Input preamplifier: >6GΩ Range Setting Single range to cover whole dynamic range Resolution 24Bits Sampling Rate 48kHz (Sampling interval for LN: 20ms) Time History Time domain noise curve display.

  • Page 12: Information For Periodic Tests

    Printer Mini thermal or dot-matrix printer, RS-232 port Note 1: Ignore the result outside 20Hz~12.5kHz for type PCE-428 alone due to microphone frequency response of Class 2. Note 2: The data was measured with 40mV/Pa microphone for PCE-430/432 and PCE-428.

  • Page 13: Key Component

    PCE-428 / 430 / 432 1.7 Key Component Component Name Manufacturer Type Description MP231 Class 1 microphone Microphone MP309 Class 2 microphone 1.8 Packing List Type Description Standard PCE-428/430/432 Sound level meter without microphone CC308 Case Carrying case MA231T ICCP preamplifier with TNC connector...

  • Page 14: Packing Drawing

    PCE-428 / 430 / 432 1.9 Packing Drawing ☆Note: The detail of packing items may vary to follow orders.

  • Page 15: The Appearance And Operation

    PCE-428 / 430 / 432 2. The Appearance and Operation PCE-428/430/432 uses the same body and the keypad layout. LCD screen, keypad and LED indicators lay on the front of instrument. 2.1 Keypad Sound level meter has 10 keys, namely: <Power>...

  • Page 16: Microphone Connector

    PCE-428 / 430 / 432 <Start/Stop>: Start or stop the measurement. <▲>: Up arrow used to select the menu item or adjust the parameters. <▼>: Down arrow used to select the menu item or adjust the parameters. <◄>: Left arrow used to select the menu item, or adjust the parameters, or switch measure screens.

  • Page 17: Windscreen

    PCE-428 / 430 / 432 Microphone and preamplifier are mounted together by thread. Unless special situation, please do not separate each other. The microphone is a precision measurement sensor, long-term exposure to high humidity or dust environment would impact microphone.

  • Page 18: Data And Power Supply Connector

    PCE-428 / 430 / 432 2.4 Data and Power Supply Connector There are 7 interfaces at the bottom of the sound level meter. Open the rubber cover to see these interfaces. PWR: Power connector, using the standard DC socket (2.1mm core diameter), can connect to the 7~14V 500mA external power supply.

  • Page 19: Battery

    PCE-428 / 430 / 432 Disk Mode. Note that the MicroSD card provides with the sound level meter has already formatted before sale. ☆Note: Keep front side (with silk screen) of MicroSD card down to insert without hot-plug. RS-232: It can be use as standard RS-232 port at Remote mode, and also can be used to connect thermal printer as Printer mode.

  • Page 20: Gps

    PCE-428 / 430 / 432 Turn the button to the left side to unlock the battery compartment cover. Then lift the cover to open it. Close and lock the battery compartment after change the battery. 2.6 GPS GPS antenna cover located on the top surface of sound level meter which select GPS function as option module.
  • Page 21 PCE-428 / 430 / 432  Satellite Ephemeris: GPS satellites orbit information. According to ephemeris, satellite positioning signal and time, the current location can be determined. Ephemeris need to download from the GPS satellites, but the download speed is very low (approx. 50bps), and vulnerable to the impact of satellite signal strength.

  • Page 22: Measurement Screen

    PCE-428 / 430 / 432 3. Measurement Screen Sound level meter has three measurement modes: Level Meter, 1/1 Octave, 1/3 Octave. User can select it in the menu of Function. Level Meter has 8 screens which can be switch through <◄>, <►>. The 8 screens are: Main, 3-Profiles, LN Statistical, Time History, Custom Measurement Page 1, Custom Measurement Page 2, GPS Page 1 and GPS Page 2.
  • Page 23 PCE-428 / 430 / 432 RS-232 state. Icon will be displayed at the Remote mode, and icon will be displayed at Printer mode. Timer state. Icon means the timer is enabled and only run once. Icon means the timer is enabled and run in loop.

  • Page 24: Screen Of Level Meter Mode

    PCE-428 / 430 / 432 3.2 Screen of Level Meter Mode Main screen. Display the measurement data, filter, detector, mode and Profile number. Main screen only display one group data of 3-Profile. Press <▲>, <▼> to switch within 3-Profile. 3-Profile. Display the data and...
  • Page 25 PCE-428 / 430 / 432 Custom Measurement Page 1. User can set the parameters of the 14 sets of measurement. This screen can display the first 7 sets. Custom Measurement Page 2. User can set the parameters of the 14 sets of measurement.

  • Page 26: Screen Of 1/1 Octave Mode

    PCE-428 / 430 / 432 3.3 Screen of 1/1 Octave Mode 1/1 Octave Spectra. Display 12 bands of 8Hz~16kHz and L as bar graph. Press <▲>, <▼> to display the detail value of each band. A threshold can be set for each band. The LED indicator will turn red when the data exceed the threshold.

  • Page 27: Pce-428

    PCE-428 / 430 / 432 Octave Table Page 1. Display the measurement data of 6.3Hz~80Hz. The LED indicator will turn red and dB value will display as invert color when the data exceed the threshold. Octave Table Page 2. Display the measurement data of 100Hz~1.25kHz.

  • Page 28: Operation And Setting Of The Menu

    PCE-428 / 430 / 432 4. Operation and Setting of the Menu Press <Menu> to access the next level menu. All parameters related to measurement can be set in the menu. Menu Tree 4.1 Function Select Function and press <Enter> to enter this menu. 3 kind of measurement can be select: Level Meter, 1/1 Octave and 1/3 Octave.

  • Page 29: Calibration

    PCE-428 / 430 / 432 4.2 Calibration Select Calibration and press <Enter> to enter this menu. Many factors include temperature, humidity and air pressure will impact the microphone's sensitivity. Therefore, user must run calibration at least once before measurement. There are two calibration methods: By Measurement and By Cal.Factor.

  • Page 30: Process Of Calibration By Measurement

    4.2.4 Process of Calibration by Measurement Calibration by measurement is the recommend method of calibration with sound calibrator. PCE-428/430/432 can provide class 1 and class 2 sound calibrator comply with the GB/T 15173-2010, IEC60942: 2003 standard. The process of calibration by measurement is shown as following: Insert the microphone into the cavity of the calibrator until stop without loosening.
  • Page 31 PCE-428 / 430 / 432 Select Calibration in the menu and then press <Enter> to enter By Measurement. Adjust Cal.Level in the menu, for example adjust to 93.8dB. There is 5s delay after press <Start> to run calibration. After the end of calibration, sound level meter will update the calibration factor. Press <Enter>...

  • Page 32: Measurement

    PCE-428 / 430 / 432 4.3 Measurement There are 13 items in the menu of Measurement. Press <▲>, <▼> can choose and select, press <Enter> to access next level of menu. 4.3.1 MEAS.Setup Menu of MEAS.Setup is the most important menu related to measurement.
  • Page 33 PCE-428 / 430 / 432 SWN/OCT saves the time history data into file. The data source in Level Meter mode is Profile 1~3 (select in SWN Save of Profile 1~3 menu) and store as SWN file; in 1/1 Octave mode save all bands of octave and LAeq, LBeq, LCeq, LZeq, store as OCT file.

  • Page 34: Meas.range

    PCE-428 / 430 / 432 4.3.2 MEAS.Range Menu of MEAS.Range display the Linearity Range, Dynamic Range and Peak C Range. The new developed algorithm brings a single measurement range that no needs to change the range anymore. The algorithm can meet the requirement of toneburst response down to 0.25ms with only 0.1dB error at 4kHz.

  • Page 35: Iccp Power

    PCE-428 / 430 / 432 4.3.3 ICCP Power Menu of ICCP power control the 4mA/24V constant current source which can supply all kind of ICCP sensor. Please disable ICCP power before connect to other kind of sensor or directly connect to signal source. Press <◄>, <►> can choose and select.

  • Page 36: Alarm Threshold

    PCE-428 / 430 / 432 4.3.5 Alarm Threshold If measurement result of Profile 1~3 exceeds the Alarm Threshold, the LED indicator above <Power> will turn red. Alarm threshold can be set to 20dB~200dB. Press <▲>, <▼> can increase and reduce 1dB. Press <◄>, <►> can add and reduce 10dB.

  • Page 37: Time History

    PCE-428 / 430 / 432 greater than 80dB. The LN result related to integral period. It will be reset when a new integral period start. 4.3.8 Time History Press <▲>, <▼> can set the data source and duration time of Time History.

  • Page 38: Timer

    PCE-428 / 430 / 432 Press <▲>, <▼> can set the option of each group of custom measurement: Filter, Detector and Mode. Filter: Press <◄>, <►> can set the filter of custom measurement: A, B, C and Z (Flat). Detector: Press <◄>, <►>...

  • Page 39: Measurement By Timer

    PCE-428 / 430 / 432 ☆Note: Repeat Period must greater than total integral time (Itg.Period x Repeat) +5s, since there is fixed 3s delay for Timer triggered measurement and another 2s is needed before the delay. It is forbidden to change the settings when the Timer is working. Otherwise, there will be something wrong with the Timer.

  • Page 40: Setup

    PCE-428 / 430 / 432 4.4 Setup Menu of Setup include the basic function setup condition display. Press <▲>, <▼> can choose and select, press <Enter> to access next level menu. 4.4.1 Contrast Menu of Contrast can set the contrast of LCD display for 14 levels adjustable.

  • Page 41: Trigger

    PCE-428 / 430 / 432 4.4.4 Trigger Menu of Trigger can set the function of trigger on-off. Trigger is an analog input which remote control the sound level meter to start or stop the measurement. The trigger input located on the bottom of sound level meter as a 3.5mm connector.
  • Page 42 PCE-428 / 430 / 432 The operation of time setting is almost the same. Press <◄>, <►> can select hour, minute and second, press <▲>, <▼> can modify the value. Press <Enter> to save the setting. The power supply for RTC comes from an internal battery.

  • Page 43: Auto Pwr Off

    PCE-428 / 430 / 432 = -25ppm, equal to slow 2.16s daily. when the temperature is 40℃, the change value of RTC is -0.04 x (40-25) = -9ppm, equal to slow 0.78s daily. The maximum error (<10ppm) given by user manual can be calculated as approx. 16℃...

  • Page 44: File Manager

    PCE-428 / 430 / 432 detail) can set the communication baud rate of RS-232, the option is: 4800bps, 9600bps, 19200bps. Press <◄>, <►> can choose and select. Flow Control: Flow Control (refer to 5.2.7 Flow Control to earn more detail) can set the flow control mode under remote control, the option is: Software, Hardware.

  • Page 45: Boot Mode

    PCE-428 / 430 / 432 Menu of CSD File can view, print and delete the CSD file. Press <▲>, <▼> can change the cursor between Select and Option. Delete operation is same to menu of SWN File. Select Option in menu of CSD File, and then press <◄>、<►>...

  • Page 46: Usb Mode

    PCE-428 / 430 / 432 meter will power on when proper power supply available. It’s suitable for integrate into other system, especially in those cases where power failure, sound level meter can power on automatically from power shutdown. Boot & Auto Meas.: Need to change hardware mode switch to Boot.

  • Page 47: Gps

    PCE-428 / 430 / 432 timeout. USB Disk Mode: It always working at USB Disk Mode without ask when connect to computer by USB. Sound level meter can be recognized as removable USB disk by computer without driver install, and the files stored in MicroSD card can be access by explorer directly.

  • Page 48: About

    PCE-428 / 430 / 432 4.4.13 About About menu shows the Type, Class, S/N (serial number), Ver., and HWID (hardware ID) of sound level meter. 4.5 Language Sound level meter support 6 language: English, Chinese, Portuguese, Spanish, German and French. Press <▲>, <▼>...

  • Page 49: Dc Out

    PCE-428 / 430 / 432 monitor due to noise floor is higher than the lower limit of linear range of sound level meter. 4.6.2 DC OUT DC OUT is used to output the analog DC signal which is proportional to measurement result with 10mV/dB ratio.

  • Page 50: Factory Settings

    PCE-428 / 430 / 432 ☆Note: Please set to Printer mode in RS-232 menu before print operation. 4.7 Factory Settings Factory Settings provides the function for reset all the parameters which has been modify by users. The parameters will be initialized to the default value. Press <◄>, <►> can select Y (Yes) or N (No).

  • Page 51: Communication Protocol

    PCE-428 / 430 / 432 5. RS-232 Communication Protocol The Sound Level Meter has an RS-232 serial interface. User can modify the configuration of the sound level meter via a serial interface and control the sound level meter to run and to stop, and get the current measurement parameters and results for further processing.

  • Page 52: Start/Stop Of The Block Transfer

    PCE-428 / 430 / 432 A typical command block or response block consists of “starting character, ID, attribute character, command or data, end character, block check character, carriage returns, line feeds”, as shown below: <STX> ATTR Command or Data <ETX>...

  • Page 53: Bcc (Block Check Character)

    PCE-428 / 430 / 432 Name Meaning Command Block ‘C’ Response Block ‘A’ <ACK> Normal Response <NAK> Error Response 5.2.4 BCC (Block Check Character) BCC check bit which include in block is calculated by the sender. The receiver can calculate the block’s BCC value and will compare with the BCC value contained in the send block.

  • Page 54: Recovery From Transmission Errors

    PCE-428 / 430 / 432 Where: ATTR=’A’. If more than one response data, each data should be separated by a comma ‘,’. (3) Normal Response: sent by the sound level meter. <STX> ATTR <ETX> <CR> <LF> Byte Where: ATTR=<ACK>。 (4) Error Response: sent by the sound level meter <STX>...

  • Page 55: Flow Control

    PCE-428 / 430 / 432 (3) Instruction Error The sound level meter may not recognize the instruction received due to the computer sends an undefined instruction, or unexpected error has occurred during transmission. When the above errors occur, the sound level meter will return a NAK block, which contains the error code 0001H.

  • Page 56: Rated Parameters

    PCE-428 / 430 / 432 (1) Ensure that no same ID of sound level meter in each network. (2) User cannot broadcast command which can return any data. 5.2.9 Rated Parameters Name Min. Rated Max. Description Response time of Time-out processing should be —...
  • Page 57 PCE-428 / 430 / 432 Error response: Set Instruction Sound Level —► Computer ◄— Return NAK Meter (3) Query command: Normal response: Query Instruction Sound Level —► Computer ◄— Return Data Meter Error response: Query Instruction Sound Level —► Computer Meter ◄—...

  • Page 58: Instruction List

    PCE-428 / 430 / 432 5.3.1 Instruction List IDXp1: Setup ID ......................66 IDX?: Query ID ......................66 BRTp1: Set the RS-232 Baud Rate ................67 BRT?: Query The RS-232 Baud Rate Setting ..............67 XONp1: Set the Flow Control ..................68 XON?: Query Flow Control Setting ................
  • Page 59 PCE-428 / 430 / 432 STSp1_p2_p3……p11_p12: Set Statistical ..............77 STS?: Query Statistical ....................78 HISp1_p2: Set Time History ..................78 HIS?: Query Time History Setting .................. 79 OCSp1_p2……p13_p14: Set Octave Threshold ............79 OCS?: Query Octave Threshold Setting ................ 80 CUSp1_p2_p3_p4: Set Custom Measure ..............
  • Page 60 PCE-428 / 430 / 432 LNGp1: Set Language ....................90 LNG?: Query Language Setting ................... 91 OUTp1_p2_p3_p4: Set Output ..................91 OUT?: Query Output Setting ..................92 RES: Apply Factory Settings ..................92 STAp1: Start / Stop Measurement ................92 STA?: Query Measurement State ................

  • Page 61: Instruction Format

    PCE-428 / 430 / 432 5.3.2 Instruction Format In this section, “☐☐☐” on behalf of the 3 characters of the instruction, “p1, p2 ..” on behalf of the parameter “d1, d2 ...” means the data, “_” means a space. (1) Separate The Parameters By Space For Multiple Parameters In One Instruction: Instruction without parameters ☐☐☐...

  • Page 62: Instruction Describe

    PCE-428 / 430 / 432 5.3.3 Instruction Describe Note in This Section:  In the following description, the value, range and default value of parameter are show as ASCII code.  The default value means the sound level meter just delivery to user or restore to the factory settings.
  • Page 63 PCE-428 / 430 / 432 Example: query ID. 02 01 43 49 44 58 3F 03 29 0D 0A Return: the current ID 001. 02 01 41 30 30 31 03 70 0D 0A BRTp1: Set the RS-232 Baud Rate ☆Note: When the BRT instruction is correctly received by the sound level meter, it will return...
  • Page 64 PCE-428 / 430 / 432 XONp1: Set the Flow Control Instruction Parameters p1: Flow control mode; 0=Hardware flow control; Explanation 1=Software flow control; Default: 1 ASCII Byte Return ACK / NAK Example: set to software flow control mode. 02 01 43 58 4F 4E 31 03 2B 0D 0A Return: ACK.
  • Page 65 PCE-428 / 430 / 432 Default: 1 ASCII Byte Return ACK / NAK Example: set to enable response. 02 01 43 52 45 54 31 03 31 0D 0A Return: ACK. 02 01 06 03 06 0D 0A RET?: Query Response Mode Setting...
  • Page 66 PCE-428 / 430 / 432 Example: set the sound level meter mode. 02 01 43 4D 45 4D 31 03 37 0D 0A Return: ACK. 02 01 06 03 06 0D 0A MEM?: Query Measurement Mode Setting Instruction Parameters Explanation...
  • Page 67 PCE-428 / 430 / 432 02 01 43 43 41 4C 31 31 33 2E 38 03 28 0D 0A Return: ACK. 02 01 06 03 06 0D 0A Return again after calibration finished: ACK 02 01 06 03 06 0D 0A...
  • Page 68 PCE-428 / 430 / 432 Instruction Parameters Explanation Query parameter: ? ASCII Byte Returns the most recent 4 group history of calibration. Return Format “Year/Month/day, hour:minute:second, calibration factor, code”. Code: M=By Measurement, F=By Calibration Factor. Example: query the calibration history.
  • Page 69 PCE-428 / 430 / 432 35H, 39H Byte 1 1 1 Returns: Return 0=setting succeed, MicroSD card is OK; 1=setting succeed, but the MicroSD card is abnormal; 2=setting succeed, but no MicroSD card detected. Example: set delay as 2s, integral period as 5m, repeat as infinite, SWN logger enable, SWN logger step as 0.2s, CSD logger enable, CSD logger step as 2s.
  • Page 70 PCE-428 / 430 / 432 02 01 41 30 32 32 2E 38 7E 31 33 33 2E 38 2C 30 31 32 2E 38 7E 31 33 33 2E 38 2C 30 34 34 2E 38 7E 31 33 36 2E 38 03 38 0D 0A...
  • Page 71 PCE-428 / 430 / 432 3=Z; Default: 0 2=LEQ; 2=MAX; Default: 0 3=MAX; 3=MIN; 4=MIN; Default: 0 Default: 0 ASCII Byte Return ACK / NAK Example: set Profile1 as A, Fast, SPL and save LEQ. 02 01 43 50 52 31 30 20 30 20 30 20 30 03 50 0D 0A Return: ACK.
  • Page 72 PCE-428 / 430 / 432 Except the instruction is “PR3”, all others are same to the “PR1?”. ALMp1: Set Alarm Threshold Instruction Parameters p1: Alarm threshold; Explanation Range: 20~200; Default: 100 ASCII 31H, 30H, 30H Byte Return ACK / NAK Example: setting alarm threshold as 100dB.
  • Page 73 PCE-428 / 430 / 432 Byte Return ACK / NAK Example: enable 3Profile, statistical, time history, custom, GPS. 02 01 43 45 54 46 31 20 31 20 31 20 31 20 31 03 25 0D 0A Return: ACK 02 01 06 03 06 0D 0A...
  • Page 74 PCE-428 / 430 / 432 Example: set filter as B, detector as I, percentage as 10, 20, 30, 40, 50, 60, 70, 80, 90 and 99. 02 01 43 53 54 53 31 20 32 20 31 30 20 32 30 20 33 30 20 34 30 20 35 30 20 36 30 20 37 30 20 38 30 20 39 30 20 39 39 03 35 0D 0A Return: ACK.
  • Page 75 PCE-428 / 430 / 432 HIS?: Query Time History Setting Instruction Parameters Explanation Query parameter: ? ASCII Byte Return Return time history setting Example: query time history setting. 02 01 43 48 49 53 3F 03 2E 0D 0A Returns: the current data sources=Profile2, duration=2min.
  • Page 76 PCE-428 / 430 / 432 38H，20H，33H，38H，20H，33H，38H， 20H，33H，38H，20H，33H，38H，20H， 33H，38H，20H，33H，38H，20H，33H， 38H，20H，33H，38H，20H，33H，38H Byte 80+39 (space) Return ACK / NAK Example: set Filter as C-weighting; all the threshold values are 38. 02 01 43 4F 43 53 31 20 33 38 20 33 38 20 33 38 20 33 38 20 33 38 20 33 38 20 33...
  • Page 77 PCE-428 / 430 / 432 33 38 2E 32 2C 30 33 38 2E 33 2C 30 33 38 2E 34 2C 30 33 38 2E 35 2C 30 33 38 2E 36 2C 30 33 38 2E 37 2C 30 33 38 2E 38 2C 30 33 38 2E 39 2C 30...
  • Page 78 PCE-428 / 430 / 432 Custom 7 A, Fast, SD Custom 8 A, Fast, SPL Custom 9 B, Fast, SPL Custom 10 C, Fast, SPL Custom 11 Z, Fast, SPL Custom 12 A, Fast*, SEL Custom 13 A, Fast*, E...
  • Page 79 PCE-428 / 430 / 432 02 01 43 54 49 53 31 20 30 20 31 32 20 30 20 31 03 0E 0D 0A Return: ACK 02 01 06 03 06 0D 0A TIS?: Query Timer Setting Instruction Parameters...
  • Page 80 PCE-428 / 430 / 432 Example: query contrast setting 02 01 43 43 4F 4E 3F 03 3E 0D 0A Returns: the current contrast is 7 02 01 41 30 37 03 46 0D 0A BLTp1_p2: Set Backlight Instruction Parameter 1 Parameter 2 p1: TimeOut;...
  • Page 81 PCE-428 / 430 / 432 Byte Returns the power state and supply voltage Return Power state: 0=Battery; 1=External power; 2=USB power Supply voltage: xx.xx V Example: query battery state 02 01 43 42 41 54 3F 03 2B 0D 0A Returns: the current battery state is external power supply, supply voltage is 9.24V...
  • Page 82 PCE-428 / 430 / 432 DATp1_p2_p3_p4: Set Date Instruction p1: Date format; p2: Year; p3: Month; p4: Day; 0=Year/Month/Day; Range: Range: Range: Explanation 1=Month/Day/Year; 2000~2999 1~12 1~31 2=Day/Year/Month; Default: 0 ASCII 2011 32H, 30H 44H 41H 54H 31H, 31H Byte...
  • Page 83 PCE-428 / 430 / 432 Byte Return ACK / NAK Example: set the time as 18:37:30 02 01 43 48 4F 52 31 38 20 33 37 20 33 30 03 18 0D 0A Return: ACK 02 01 06 03 06 0D 0A...
  • Page 84 PCE-428 / 430 / 432 ASCII Byte Return Return auto power off settings Example: query auto power off settings 02 01 43 50 57 4F 3F 03 34 0D 0A Returns: the current auto power off setting is OFF 02 01 41 34 03 75 0D 0A...
  • Page 85 PCE-428 / 430 / 432 UMDp1: Set USB Mode Instruction Parameters p1: USB Mode; 0=Always Ask; Explanation 1=U Disk Mode; 2=Modem Mode; Default: 0 ASCII Byte Return ACK / NAK Example: set to modem mode 02 01 43 55 4D 44 32 03 2D 0D 0A...
  • Page 86 PCE-428 / 430 / 432 Byte Return ACK / NAK Example: set GPS as switch: ON, auto time sync: ON 02 01 43 47 50 44 31 20 31 03 30 0D 0A Return: ACK 02 01 06 03 06 0D 0A...
  • Page 87 PCE-428 / 430 / 432 0=English; 1=Chinese; 2=Portuguese; 3=Spanish; 4=German; 5=French; Default: 0 ASCII Byte Return ACK / NAK Example: set the language as Chinese 02 01 43 4C 4E 47 31 03 37 0D 0A Return: ACK 02 01 06 03 06 0D 0A...
  • Page 88 PCE-428 / 430 / 432 Byte Return ACK / NAK Example: set the output to A-weighting, Fast, SPL for SLM. Set the output to LAeq for Octave 02 01 43 4F 55 54 30 20 30 20 30 20 30 03 2D 0D 0A...
  • Page 89 PCE-428 / 430 / 432 ASCII Byte Return ACK / NAK Example: start measurement 02 01 43 53 54 41 31 03 34 0D 0A Return: ACK 02 01 06 03 06 0D 0A STA?: Query Measurement State Instruction Parameters...
  • Page 90 PCE-428 / 430 / 432 ASCII Byte Return the main screen data Filter: 0=A, 1=B, 2=C, 3=Z Return Detector: 0=Fast, 1=Slow, 2=Imp. Mode: 0=SPL, 1=PEAK, 2=LEQ, 3=MAX, 4=MIN Measurement data: The value of the main screen Example: query the data of the main screen, and return only once 02 01 43 44 4D 41 31 20 3F 03 25 0D 0A Returns: the current main screen is: B-weighting, Slow, measurement data 066.1dB...
  • Page 91 PCE-428 / 430 / 432 1=Single return; 2=Continuous return ASCII Byte Return statistical analysis (LN) data Filter: 0=A, 1=B, 2=C, 3=Z Detector: 0=Fast, 1=Slow, 2=Imp. Return Mode: 0=SPL Group 1 LN percentages and LN statistics …… Group 10 LN percentages and LN statistics...
  • Page 92 PCE-428 / 430 / 432 Returns: the current custom measure data: Group 0: A-weighting, Fast*, L10, 065.4dB; Group 1: A-weighting, Fast*, L20, 065.4dB; Group 2: A-weighting, Fast*, L60, 065.3dB; Group 3: A-weighting, Fast*, L99, 065.1dB; Group 4: A-weighting, Fast, Min, 064.4dB; Group 5: A-weighting, Fast*, Peak, 081.9dB;...
  • Page 93 PCE-428 / 430 / 432 Group 3: LAe, LBe, LCe, LZe Group4: LAFmax, LASmax, LAImax, LBFmax, LBSmax, LBImax, LCFmax, LCSmax, LCImax, LZFmax, LZSmax, LZImax Group 5: LAFmin, LASmin, LAImin, LBFmin, LBSmin, LBImin, LCFmin, LCSmin, LCImin, LZFmin, LZSmin, LZImin Group 6: LApeak, LBpeak, LCpeak, LZpeak...
  • Page 94 PCE-428 / 430 / 432 DTT?: Query 1/3 Octave Band Data Instruction p1: Return manner; 0=Stop return; Explanation 1=Single return; Query parameter: ? 2=Continuous return; ASCII Byte Return 1/3 octave band data: Filter, LAeq, LBeq, LCeq, LZeq, 6.3Hz, 8Hz, 10Hz, 12.5Hz, 16Hz, 20Hz, 25Hz, 31.5Hz, 40Hz, 50Hz, 63Hz, 80Hz,...
  • Page 95 PCE-428 / 430 / 432 CSD: Save Custom Data into MicroSD Instruction Parameters Explanation None ASCII None None Byte None Return state: 0= Stored successfully, MicroSD OK; Return 1= Failure to store, MicroSD error; 2=No MicroSD. Example: Save CSD 02 01 43 43 53 44 03 17 0D 0A...

  • Page 96: Operation Notes

    PCE-428 / 430 / 432 6. Operation Notes 6.1 Operation  Please minimize the influence of vibration when using sound level meter, mechanical vibration could affect indicated levels at the lower boundary of the measurement range at frequencies within the range of the sound level meter (10Hz~20kHz).

  • Page 97: Pce-428

    6.4 Firmware Update firmware can be update via USB port. Following items need to be prepared:  PCE-428/430/432 sound level meter (HWID: P0274 or above) and keep power off;  MiniUSB cable (include in sales package);  External power supply (include in sales package);...

  • Page 98: Pce-428

    PCE-428 / 430 / 432 After driver installation, connect sound level meter to computer via USB cable, a new device named Silicon Labs CP210x USB to UART Bridge (COMx) could be found in Device Manager. ☆Note: Power sound level meter by external supply when connect to computer.

  • Page 99: Warranty

    P0274 or above. The old type of HWID: P0115 cannot update firmware by user. Following list the difference between old type and new type:  In About page, P0115 displays type PCE-428/430/432, while P0274 displays type 308S/309S.  RS-232 port of P0115 using Lemo 3-pin socket, while P0274 using PS/2 6-pin socket.

  • Page 100: Annex 1 Glossary

    PCE-428 / 430 / 432 Annex 1 Glossary  Frequency Weighting : Difference, as a specified function of frequency, between the level of the frequency weighted signal indicated on the display device and the corresponding level of a constant amplitude sinusoidal input signal. Level difference is expressed in decibels (dB).
  • Page 101 PCE-428 / 430 / 432  SEL : Sound exposure level. Ten times the logarithm to the base 10 of the ratio of a sound exposure to the reference value. It sometime called single event level.  LN: Statistical analysis result. The noise level exceeded for N% of the measurement period.

  • Page 102: Annex 2 Adjustments At The Calibration Check Frequency

    PCE-428 / 430 / 432 Annex 2 Adjustments at the Calibration Check Frequency Recommend to use CA111/CA114/CA115 sound calibrator for sensitivity calibration before the measurement. The manual of sound calibrator provide the equivalent free field sound level for 1/2” microphone as shown in the following table:...

  • Page 103: Meter And Diffraction Of Sound Around The Microphone

    PCE-428 / 430 / 432 Annex 3 Corrections for the Typical Effects of Reflections from the Case of Sound Level Meter and Diffraction of Sound around the Microphone Corrections for the Typical Effects of Reflections from the Case of the Sound Level Meter and Diffraction of Sound around the Microphone -0.5...

  • Page 104: Annex 4 Corrections Of Windscreen In Free Field

    PCE-428 / 430 / 432 Annex 4 Corrections of Windscreen in Free Field Corrections of Windscreen in Free Filed -0.5 -1.0 -1.5 -2.0 Freq. [Hz] Value [dB] Freq. [Hz] Value [dB] Freq. [Hz] Value [dB] *50.119 -0.04 *398.11 0.06 3162.3 0.12...

  • Page 105: Annex 5 Corrections Of Electrostatic Actuator

    PCE-428 / 430 / 432 Annex 5 Corrections of Electrostatic Actuator The following corrections are measured by EA002 electrostatic actuator and AS001 power supply. Corrections of Electrostatic Actuator 10.0 Freq. [Hz] Value [dB] Freq. [Hz] Value [dB] Freq. [Hz] Value [dB] Freq. [Hz] Value [dB] 0.000...

  • Page 106: Annex 6 Typical Frequency Response And Corresponding Upper Limit

    PCE-428 / 430 / 432 Annex 6 Typical Frequency Response and Corresponding Upper Limit Each microphone was test carefully before go out of factory, the calibration chart in the attached box describe the real response of electrostatic actuator and free filed.

  • Page 107: Annex 7 Specification Of 1/1 Octave Band Filter

    PCE-428 / 430 / 432 Annex 7 Specification of 1/1 Octave Band Filter 1/1 octave filter was designed by the Butterworth filter and base 10 system. The specification of each filter as the shown in the following figure: 8Hz ~ 250Hz Octave Filter Response 10.0...

  • Page 108: Annex 8 Specification Of 1/3 Octave Band Filter

    PCE-428 / 430 / 432 Annex 8 Specification of 1/3 Octave Band Filter 1/3 octave filter was designed by the Butterworth filter and base 10 system. The specification of each filter as the shown in the following figure: 6.3Hz ~ 20Hz Octave Filter Response 10.0...
  • Page 109 PCE-428 / 430 / 432 100Hz ~ 315Hz Octave Filter Response 10.0 -10.0 -20.0 -30.0 -40.0 -50.0 -60.0 -70.0 -80.0 -90.0 -100.0 1000 100Hz 125Hz 160Hz 200Hz 250Hz 315Hz 400Hz ~ 1.25kHz Octave Filter Response 10.0 -10.0 -20.0 -30.0 -40.0 -50.0...
  • Page 110 PCE-428 / 430 / 432 1.6kHz ~ 5kHz Octave Filter Response 10.0 -10.0 -20.0 -30.0 -40.0 -50.0 -60.0 -70.0 -80.0 -90.0 -100.0 1000 10000 1.6kHz 2kHz 2.5kHz 3.15kHz 4kHz 5kHz 6.3kHz ~ 20kHz Octave Filter Response 10.0 -10.0 -20.0 -30.0 -40.0...

  • Page 111: Annex 9 Mid-Band Frequencies For 1/1 Octave Band And 1/3 Octave Band Filters

    PCE-428 / 430 / 432 PCE-428 / 430 / 432 Annex 9 Mid-band Frequencies for 1/1 Octave Band and 1/3 Octave Band Filters Base 10 Exact f Nominal Midband 1/1 Octave Band 1/3 Octave Band [Hz] Frequency [Hz] 6.3096 7.9433 10.000...

This manual is also suitable for:

Pce-430Pce-432

Table of Contents