Safety Summary The following safety precautions are applicable to both operating and maintenance personnel and must be observed during all phases of operation, service, and repair of this instrument. DO NOT OPERATE IN A FLAMMABLE OR EXPLOSIVE ATMOSPHERE Do not operate the instrument in the presence of much dust, direct sunlight, high humidity, strong electromagnetic radiation, etc.
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DO NOT REMOVE OR MODIFY STE INSTRUMENT Some replacements and unauthorized modifications might cause irreversible damage to the instrument. SAFETY WARNING Strictly follow the relevant safety statements in this manual involving safety, personnel injury, damage to the instrument, operation and environmental conditions causing poor test.
Safety Guidelines To ensure that you use this device safely, follow the safety guidelines listed below: This meter is for indoor use, altitude up to 2,000 m. For short-time outdoor use, precautions should be taken to avoid direct sunlight, water moisture, electromagnetic...
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of 12VDC/150mA. If a power adapter is selected, please be sure to meet the safety requirements of a relevant IEC standard. battery using ST2822C rechargeable. charge non- rechargeable batteries. Safety Symbols This symbol is a warning and indicates that the user should refer to the operating instructions located in the manual.
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Environmental Conditions 0 °C to 40 °C Operating Environment Storage Humidity 0 – 80% R.H. Storage Environment -20 °C to +50 °C Pollution degree...
ST2822 series provide the primary parameter of up to 40,000 readings, secondary parameter of 0.0001 reading resolution, the maximum measuring frequency of up to 100kHz, constant internal resistance of 100Ω...
All ST2822 series are equipped with the function of remote communication. The test data can be transferred to PC through a Mini USB connection, great for applications that require remote control and data acquisition.
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* This can be purchased as optional accessories. All contents are subject to actual package list or box. Please locate them from the original packaging to ensure nothing is missing. If in the case that an item is missing, please contact Sourcetronic or relevant distributor immediately.
13. Standard mini USB port (for remote control) 14. 12VDC external power input (use with an external power adapter) *Backlight is not included in ST2822. NOTE: Refer to the adapter' s label for input parameters of it. Rated output parameters is 12VDC ,...
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Use with improper power adapters may damage instrument. NOTE: Internal battery supply will be automatically cut off since the normal supply of external power. If the battery is rechargeable (ST2822C), the external power will charge the battery simultaneously. ST2822C is installed an independent charging controller---charging control is still done even at the state of power-off.
Front Panel Buttons With the exception of the power button, all front panel buttons have specific colored labels on them. They are all marked in black, blue, or orange color. Each color has a specific representation, as described below: Black—the primary function,meaning that function will be set or configured upon pressing it.
LCD Display Overview Figure 3 - LCD Indicator Display LCD Display Descriptions 1. LCRZ – Primary display indicator 2. MAX – Maximum reading indicator in the record mode 3. AVG – Average reading indicator in the record mode 4. MIN – Minimum reading indicator in the record mode 5.
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7. D – Dissipation indicator 8. Q – Quality factor indicator – Secondary display – Beeper tone indicator for tolerance mode 11. deg – Phase angle (θ) units indicator 12. Ω – ESR(ohm) units indicator 13. % - Percentage indicator (in tolerance mode) 14.
Indicates open clear if you press the CLEAR button Error indication Indicates correction (open/short clear) mode Indicates damaged or open fuse AD converter error(UNK) AD converter error(END) Test Port ST2822 series are creatively designed to combine 3- terminal port and 5-terminal port, which makes the...
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However this configuration has low testing accuracy. For the improvement of accuracy when using external testing leads, ST2822 series are designed with 5- terminal testing slots and exclusive test fixture to ensure complete external 4-terminal test and measuring accuracy.
The two power modes can be automatically switched without interruption. Installing Battery ST2822 series can adopt battery for power supply so that you can take measurements whenever and wherever without many preparations. 9V alkaline batteries used in ST2822/ST2822A are non-rechargeable.
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ST2822C applies 8.4V rechargeable battery with LH-200H7C as the reference type. Do not use non- rechargeable batteries with the exception of emergency cases. The reason is that the charging circuit will operate once the instrument is connected to external power. To Install the Battery: 1....
Figure 6 - Battery Compartment Connecting External Power Source Some models of ST2822 series are equipped with standard external power adapters, which can use external source. WARNING: Use the included or specified adapter only. Confirm power parameters be ones that...
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To connect the adapter, do the following: 1. If a battery is installed, please check the battery compartment again that the polarity of the battery matches the polarity as indicated by the labels inside the compartment. WARNING: DO NOT, at any time, connect an external power adapter when a battery is installed incorrectly or a non-rechargeable battery is inserted in a rechargeable instrument.
12VDC Input AC Adapter Figure 7 - Connecting AC Adapter to Meter NOTE: The meter will automatically switch to consume power from the AC adapter instead of the battery when an AC adapter is plugged in and consume the power normally. In this event, if the battery installed correctly is rechargeable (for instance, ST2822C), charging controller will be driven at the same time no matter the instrument is on or off.
Backlight Display Only ST2822A/C meters have Backlight display that can allow you to see the LCD display in dark conditions, ST2822 doesn’t support backlight. To turn on the back light, you should press the button for a long time.
Charge Display The power circuit of ST2822/A is non-rechargeable. When the external power adapter is plugged in, the power mode will automatically switched and the battery power circuit will be cut off.
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instead, the battery will be charged again after a charge circle. NOTE: A new charge circle will begin as soon as an external power is connected. WARNING: If the instrument has rechargeable circuit, DO NOT connect to an external power when a non-rechargeable battery is installed.
Operation Instruction Data hold mode (HOLD) The data hold function allows the user to freeze the display data. The data displayed on LCD will not update upon the phase of test until data hold is turned off. Turn On Data Hold To use data hold, press the HOLD button.
Data Record Mode (REC) If the data stability of tested components is poor and the data fluctuates in a range, data record mode can aid the reading of data. This mode is used for dynamically recording maximum, minimum, and average values in a range. Enable Static Recording Press and hold down the REC button for a long time to enter the data recording mode.
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Recording State This is the default mode when enabling static recording. In this mode, LCD will display “MAX AVG MIN” indicator. In a relatively stable range of test data, a beep tone will sound once a recording has been stored. NOTE: When the data fluctuation range is upwards of 1%, data record will dynamically be refreshed.
Average Display Press REC button until the “AVG” indicator is shown on display. This indicates that the value in the primary display represents the recorded average value. Disable Static Recording To exit this mode, press and hold the REC button for a long time.
D (Dissipation factor), Q (Quality factor), θ (Phase angle), and ESR (Equivalent series resistance). Test Frequency (FREQ) ST2822 series handheld LCR meters apply AC signal to DUT for measurement. Frequency is among the main parameters of AC signal. By the presence of component’s non-ideality and distributed parameters,...
Tolerance mode, nominal value and sorting limit just come into play on primary parameters. The selectable ranges for sorting are as follows: 1%,5%,10%, 20% (20% is not for ST2822). When entering tolerance mode, the data indicated in the primary display will be recorded as nominal value.
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Use Tolerance Mode To use the tolerance mode as the process shown below: 1. Select the desired primary measurement mode by pressing L/C/R/Z button. 2. Configure the proper test frequency and series/parallel equivalent mode. 3. Perform the operation of CLEAR appropriately if necessary.
10% or 20%, which will be shown on LCD accordingly. 7. Changing test component, an audible tone will be heard. One single “beep” or tone means the component is within tolerance. Three “beeps” or tone means the component is out of tolerance.
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property of component according to the test result. It is quite convenient for the measurements of mixed and unknown components. Enable Auto LCR Mode Long press of AUTO button will activate auto LCR mode. The “AUTO” indicator on LCD indicates that auto LCR mode is activated.
Disable Auto LCR Mode Long press the AUTO button again will disable auto LCR mode. In addition, this mode will not continue through changing the primary and secondary modes, series/parallel equivalent mode and frequency mode. “AUTO” indicator on LCD will disappear when auto LCR mode is turned off.
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equivalent models used in LCR meters, which are series model and parallel model. Figure 8 - Series and Parallel Equivalent Models of Inductors and Capacitors Appropriate equivalent modes could help to gain better measurement results. Generally, Series mode is better for components with low impedance (blow 100Ω),while parallel mode for components with high impedance (over 10kΩ).
Default Equivalent Mode When select primary parameter, equivalent mode varies with primary parameter: For capacitors and resistors, default equivalent mode is PAL; for inductors, is SER. Utility Menu (UTIL) The LCR meter has a built-in utility menu that allows you to configure some user preferences and settings. The buttons used to set and control the menu are colored in blue.
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Configuration and Settings The following contents are included in the utility menu: Table 2 - Utility Menu Options and Settings Menu Options Settings/Parameters bEEP ON / OFF AoFF 5 / 15 / 30 / 60 / OFF PrE / Set yES / NO bAtt Battery Voltage...
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NOTE: The change of settings has different application effects in accordance with different exiting mode. See “Exit Utility Menu” section (Saving and Exiting, Exiting without Saving) for details. Beep Sound Setup (bEEP) The “bEEP” menu option allows the user to enable or disable the beep sound for every key press.
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display shows “AoFF”, push the and arrow keys to select the timer setting. The settings will be shown on the secondary display as Table 3. When AoFF is effective, this timer is always counting continuously; when the configured time is up, the meter will make an audible “beep”...
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The setting will be immediately effective. But this state will not saved if choose “Exiting without saving”; “Saving and exiting” should be implemented if this setting needs to be effective after restarting. Default Setting: 5 Power-up State (PuP) The “PuP” menu option allows user to configure the power-up state of the LCR meter, allowing user to restore settings saved into internal EEPROM memory at power-up.
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NOTE: Exiting mode decides whether to implement SEt. At “Exiting without saving”, SEt is ineffective; while at “Saving and Exiting”, SEt setting will be effective. Default Setting: PrE Configure and Save Power-up State Procedure to configure and save power-up state is as follows: 1.
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5. Press the UTIL button to check whether other desirable setups have already been set. With all settings done, exit the menu by long press of the UTIL button. 6. The meter has now saved all current settings into internal memory. At next power-up, the meter will turn on and recall the saved settings.
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Reset Default Settings (dEF) The “dEF” option is used to reset the current measuring setup and optional settings in utility menu to default settings. These default settings are as below:...
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Table 4 - Instrument Default Settings Settings Default Configuration Primary Function C (capacitance) Secondary Function None (frequency) Auto LCR function Equivalent Method SER (series) Measurement Frequency 1kHz Measurement Speed Slow (SLOW) Tolerance Mode Beep Sound Auto Power-off Timing 5 minutes Stored Measurement clear Setup...
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In “dEF” option, push either or button to choose “NO” or “yES”. “NO” means the instrument will not be set back to default. “yES” indicates to reset all settings to default and to clear previously stored setup. Default Setting: No NOTE: Exiting mode also decides whether or not to perform “yES”...
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Exit Utility Menu There are two methods for exiting the utility menu: Saving and Exiting, Exiting without Saving. The former saves all the changed settings before exiting, and the latter exits the menu without saving any changes. Saving and Exiting To save all utility menu option settings and to exit the menu, press and hold down the UTIL button for a long time.
any front panel buttons except UTIL, , and POWER. PuP and dEF operation will be ineffective. Settings, such as “bEEP” and “AoFF” will not be saved in the non-volatile memory but still be temporarily efficient before power-off. Clear Functions (CLEAR) There are two functions under CLEAR: Open Clear and Short Clear.
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Open Clear First select frequency to clear and keep test clip and test slot be open. Enter into clear by the press of CLEAR, and a moment later the OPEN indicator will appear on secondary display after the automatic measurement judging. If user decides to perform open clear, another press of CLEAR should be done.
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Short Clear First choose test frequency to clear and then insert a short plate to test slot. If SMD test tweezers or test clip is used, the short plate should short the test terminal. Enter into clear by the press of CLEAR, and a moment later the SHrT indicator will appear on secondary display after the automatic measurement judging.
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Quick Clear Procedure Below is an example of steps to do open or short clear: 1. Select the primary and secondary function mode for measurement; 2. Select test frequency; 3. Select equivalent mode; 4. Keep the test terminal open to perform open clear;...
accordance with advanced impedance network principle, the instrument performs clear operation. Though the complex impedance is cleared, the displayed parameter is just one of the elements of impedance, so it is cleared too. 4. After a long time of continuous use, the meter will be affected by the temperature environment and test fixtures, test leads and contact resistance will change.
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burned out, the “FUSE” indicator will appear on the primary display and an internal “beep” will sound continuously. In this situation, none of the function buttons can be operated and all other meter functions will be disabled. Figure 11 - Fuse Display In the event that the above screen is displayed, the instrument should be powered off.
Quick Start Guide CAUTION Do not measure a capacitor that is not fully • discharged. Connecting a charged or partially charged capacitor to the input terminals will damage the instrument. When measuring an on-board component within a • circuit, the circuit must be powered off before connecting the test leads.
NOTE: To achieve optimum precision, please refer to “Clear Function” for details before testing. Inductance Measurement 1. Press the POWER button for a long time to turn on the instrument. 2. Press the L/C/R/Z button until “L” is displayed on the screen to select inductance measurement 3.
Capacitance Measurement WARNING: Before testing, ensure that the tested capacitor has been fully discharged. 1. Press the POWER button for a long time to turn on the meter. 2. Press the L/C/R/Z button until “C” is displayed on the screen to select capacitance measurement. 3.
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5. Press the FREQ button until the desired test frequency is displayed on screen. 6. Press the D/Q/ θ /ESR button to select the desired secondary parameter. 7. Read the readings on LCD for capacitance measured values. Figure 14 - Capacitance Measurement...
Resistance Measurement 1. Press the POWER button for a long time to turn on the instrument. 2. Press the L/C/R/Z button until “R” is displayed on the screen to select inductance measurement. 3. Insert a resistor into test slots or connect a tested resistor through a proper test accessory (e.g., banana plug-crocodile clip test leads, test fixture or SMD test tweezers).
Impedance Measurement 1. Press the POWER button for a long time to turn on the instrument. 2. Press the L/C/R/Z button until “Z” is displayed on the screen to select impedance measurement. 3. Insert impedance (resistor, capacitor or inductor) into test slots or connect tested impedance through a proper test accessory (i.e., banana plug-crocodile clip test leads, test fixture or SMD test tweezers).
Follow the below procedures for connection setup. 1. Install USB driver from CD or download the USB driver from www.Sourcetronic.com.cn. 2. With a Mini-USB cable, connect one end of it to the LCR meter and the other end to an available USB port on PC.
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6. Open the control software and use the assigned serial number to communicate with the handheld LCR meter. Figure 16 - Connection to PC...
Virtual Serial Port Configuration Below is the serial communication configuration of ST2822 series: Baud rate:9600 • Data bits: 8 • Parity: None • Stop bits: 1 • Flow Control: None • Upon the installation of USB driver, if the default...
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NOTE: Auto Fetch state means to send testing result automatically without needing the initiative inquiry of Remote Mode Upon the acceptance of any commands from PC, the meter will be automatically set into remote mode. In this mode, the LCD display will show “RMT” indicator. When this is shown, all front panel button will be locked and disabled, except for RMT and POWER buttons.
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Auto Fetch When the meter is out of remote control, it can be changed to Auto Fetch mode. That is, the meter will automatically send data to the interface bus upon every measurement. Therefore, PC will obtain data by direct reading with no need to send any commands. It is quite useful in the recording data simply.
Command Protocols Overview ST2822 series support SCPI commands with ASCII character strings transmitting control commands and returning query information and data and with a specified terminator identifying the termination of a command line or query data line. The adoption of SCPI commands brings convenience for the interaction control of PC on the meter through programming.
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Termination Character A terminator is a character sent by a host, which identifies the end of a command line. Only when a termination character is received, the instrument will analyze and deal with command character string. Terminators can be any one of the following character strings: <CR>...
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Data Types Table 4 below explains the different data types transmitted on bus with ASCII characters: Table 4 - Data Type Data Type Explanation Example <NR1> Integer +800,-200,100,-50 <NR2> Real +1.56,-0.001,10.5 This representation has an explicit +2.345678E+04 <NR3> radix point and an -1.345678E-01 exponent A parameter for...
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Symbol Convention Syntax Symbols in Commands Below symbols is a part of commands: Syntax Explanation Symbol Colon means to enter into next command level Separate another command at the same command level common command multi-parameter delimiter inquiry ? Space, separate commands from parameters “...
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Table 5 - Command Specifier Mark Symbol Explanation Option; can be omitted Exclusive OR < > Defined element Comment Abbreviation, upper case and lower case commands 1. There are two command formats: complete format and abbreviated format. In the following command description, capital section of the complete commands shows abbreviations format.
Command Reference Common Command *IDN? Query instrument ID. Return: <instrument model>, <firmware version>, <serial number> *LLO Local Lockout. This means that all front panel buttons, including the RMT key is not available. (POWER button is enabled.) *GTL Go to local and remove local lockout. If *LLO is sent, the only way to operate front panel is to go to *GTL.
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SCPI Commands FREQuency Subsystem FREQuency <value> Description: Set measurement frequency Parameters are 100, 120, 1000, 10000,100000 or 100hz,120hz,1khz,10khz,100khz (model supported) Example: FREQuency 100hz Set 100Hz frequency FREQuency? Description: Query the measurement frequency Return: < 100hz,120hz, 1khz, 10khz,100khz> FUNCtion subsystem FUNCtion:impa < L | C | R | Z > Description: Select primary parameter Example: FUNCtion:impa L Selects L as primary parameter...
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FUNCtion:impb? Description: Query secondary parameter Return: <D, Q, STETA, ESR, NULL> FUNCtion:EQUivalent < SERies | parallel | PAL > Description: Set equivalent mode Parameters: SERies — series mode Parallel — parallel mode PAL — parallel mode Example: FUNCtion:EQUivalent SERies Set series mode FUNCtion:EQUivalent? Description: Query the equivalent mode Return: <SER, PAL>...
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CALCulate:TOLerance:VALUe? Description: Query the percentage value of tolerance Return: NR3 or ----- (exceeding data range) CALCulate:TOLerance:RANGe < 1 | 5 | 10 | 20 > Description: Set tolerance range as 1%,5%,10% or 20% (20% not available for some models ) Example: CALCulate:TOLerance:RANGe 1 Set 1% tolerance range CALCulate:TOLerance:RANGe?
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CALCulate:RECording:MINimum? Description: Query the minimum value of recording function Return: <NR3, NR3> (primary and secondary parameters, when data exceeds limits or there is no data, what returns is “----“) CALCulate:RECording:AVERage? Description: Query the average value of recording function Return: <NR3, NR3> (primary and secondary parameters, when data exceeds limits or there is no data, what returns is “----“) CALCulate:RECording:PRESent?
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Summary of Supported SCPI Commands Table 2 - Summary of SCPI Commands Command Parameter Explanation FREQuency <Value> Set Test Frequency FREQuency? Query Test Frequency FUNCtion :impa <Literal> Select primary display parameter :impa? Query primary display parameter :impb <Literal> Select secondary display parameter :impb? Query secondary display...
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:MINimum? Query min. value of recording :AVERage? Query average value of recording :PRESent? Query present value of recording FETCh? Query measurement result Error Codes If the received commands or parameters from bus contain errors, the meter will terminate the analysis and execution commands.
Specifications Below is the general specification and the accuracy specification of ST2822 series and applicable to ST2822, ST2822A, ST2822C. Declaration: The specifications are subject to change without notice. *NOTE: 120Hz is the rated frequency. The actual frequency is 120.048Hz. General Specifications...
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Correction Short, Open ST2822 1%5%10% Tolerance Mode ST2822A/C 1%5%10%20% Input Protection Fuse 0.1A / 63V Interface Mini-USB (virtual serial port) Test Signal ST2822 100Hz,*120Hz,1kHz Signal ST2822A 100Hz,*120Hz,1kHz,10kHz Frequency 100Hz,*120Hz,1kHz,10kHz, ST2822C 100kHz Test Signal Level 0.6Vrms Output Impedance 100Ω Display Display...
Auto Power Off 5min/15min/30min/60min/OFF (valid for battery powered) available ;factory default :5min When battery voltage drops Low Voltage Indicator below 6.8V, Voltage Indicator turns on General Temperature 0 -- 40 Operation Condition Relative Humidity ≤90% R.H. Weight 350g 190mm ´ 90mm ´...
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7. Actual measurement and display range may exceed the ranges in below table, but we do not specify its accuracy again. 8. Subscript Explanation: s—series equivalent; p—parallel equivalent; e—accuracy 9. Some parameters cannot be expressed as the way of data sheet; therefore they can just be converted by formulas according to corresponding results.
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Equivalent Series Resistance Accuracy of equivalent series resistance is calculated by below formula: Rse = Where, is measured reactance, is the phase angle accuracy, Notice : the accuracies of ESR and Rs are same. Equivalent Parallel Resistance Accuracy of equivalent series resistance is calculated according to the below formula: Rpe = is the measured value of Rp, Dx is the measured...
Maintenance WARNING: Do not perform any service by yourself. Service should only be done by qualified personnel and trained technicians. WARNING: Beware of liquid and residues, especially conductive matter. Service If the instrument fails to power on, first check battery, external source and power sockets and the validity of buttons.
test slots. See operation manual for information of correct operation. Do not replace components. Contact the after-sale department of our company or relevant distributors for uncertain maintenance. The meter must be turned off or removed from external power before replacing battery. See Installing Battery section for details.
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To clean the meter, wipe the dirty parts with a soft cloth soaked with diluted neutral detergent. Avoid having the instrument too wet to prevent the detergent from penetrating into the inside components of the meter, causing damages. After cleaning, make sure the instrument is completely dried before operating it again.
Sourcetronic will, without charge, repair or replace, at its option, defective product or component parts. Returned product must be accompanied by proof of the purchase date in the form of a sales receipt and the included accessories.
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