UNI-T UTR2830 Series User Manual
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UNI-T UTR2830 Series User Manual

UNI-T UTR2830 Series User Manual

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User's Manual
UTR2830 Series Digital LCR Meter

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Summary of Contents for UNI-T UTR2830 Series

  • Page 1 User’s Manual UTR2830 Series Digital LCR Meter...

  • Page 2: Warranty Service

    User’s Manual UTR2830 Series Digital LCR Meter Foreword Dear Users, Hello! Thank you for choosing this brand new UNI - T instrument. In order to use this instrument safely and correctly, please read this manual thoroughly, especially the Safety Requirements part.
  • Page 3 User’s Manual UTR2830 Series Digital LCR Meter tear, improper use, and improper or lack of maintenance. UNI - T under the provisions of this warranty has no obligation to provide the following services: a) Any repair damage caused by the installation, repair, or maintenance of the product by non UNI - T service representatives.

  • Page 4: Safety Requirements

    User’s Manual UTR2830 Series Digital LCR Meter 1. Introduction This manual includes safety requirements, installment and the operation of UTR2830 series digital LCR meter . 2. Safety Requirements This section contains information and warnings that must be followed to keep the instrument operating under safety conditions.
  • Page 5 User’s Manual UTR2830 Series Digital LCR Meter It indicates possible danger, which may cause damage to this device or other equipment if you fail to follow a certain procedure or condition. If Caution the “Caution” sign is present, all conditions must be met before you proceed to operation.
  • Page 6 User’s Manual UTR2830 Series Digital LCR Meter Certification ETL indicates a registered trademark of Intertek. This product complies with the marking requirements of WEEE Directive Waste (2002/96/EC). This additional label indicates that this electrical / electronic product must not be discarded in household waste.
  • Page 7 User’s Manual UTR2830 Series Digital LCR Meter of this device. The probe or other connection accessories should be effectively grounded to avoid product damage or abnormal function. Please refer to the product manual for the rated value of the input / output port of this device.

  • Page 8: Product Overview

    UTR2830 Series Digital LCR Meter 3. Product Overview UTR2830 series digital LCR meter is a new generation of low - frequency component measurement instruments; with the feature of small size, light weight, modern appearance, easy to operate and test stability. It can meet the needs of quality assurance for production line, incoming inspection and automated production, laboratory testing.
  • Page 9 User’s Manual UTR2830 Series Digital LCR Meter 10% x the set voltage + Accuracy 10% x the set voltage + 2mV 10% x the set voltage + 2mV Current range of 100μArms - 20mArms 100μArms - 20mArms 100μArms - 20mArms...

  • Page 10: Main Features

    User’s Manual UTR2830 Series Digital LCR Meter 10 BIN sorting, BIN1 - BIN9, NG, AUX, BIN count, PASS, FALL display with LED on the front Comparator panel Internal: 100 sets of instrument built-in test setup files, results of 201 test...

  • Page 11: Panel Overview

    User’s Manual UTR2830 Series Digital LCR Meter 4. Panel Overview 4.1 Front Panel Name Description Nameplate Product model and description Display screen 4.3 inch TFT - LCD [Meas]: Measurement page [Setup]: Measurement setup page and system setup page [Lock]: Lock key (long press to unlock/lock)

  • Page 12: Real Panel

    User’s Manual UTR2830 Series Digital LCR Meter the last digit. [Arrow] key: Move the cursor between the field of LCD page. Long press the Arrow and OK right arrow key, will print screen and the screen will be saved in the U disk.

  • Page 13: Packing List

    5.3 Operating Environment UTR2830 series is recommended for use under the following environmental conditions. Environmental Condition 0 ℃～40 ℃, 20 %～80 % RH. (no condensation) Operating condition 23 ℃...
  • Page 14 User’s Manual UTR2830 Series Digital LCR Meter Do not use the instrument under the environment of dust, shaking, direct sunlight and corrosion gas. The heat sink is installed on the rear panel, which is prevent the internal temperature from rising.

  • Page 15: Routine Inspection

    User’s Manual UTR2830 Series Digital LCR Meter 5.5 Handle Handle is adjustable and can adjust to four positions, hold two sides of the handle to pull or rotate as shown in the following figure. Figure 5 - 1 Original Position...
  • Page 16 User’s Manual UTR2830 Series Digital LCR Meter 6. [Meas] Menu 6.1 <MEAS DISP> Page UTR2830 series adopts 4.3 inch LCD, the display content is shown in the following Figure 2 - 3. Figure 2 - 3 Display content Name Description...

  • Page 17: Test Function

    Open - circuit, short - circuit, load correction ON/OFF (CORRECTION)  6.1.1 Test Function UTR2830 series can simultaneously measure two resistances (one primary parameter and one secondary parameter) in one test. Parameters that can be tested are as follows. Primary parameter (Module of impedance) ...
  • Page 18 User’s Manual UTR2830 Series Digital LCR Meter Operating step of test function Move the cursor to the FUNC field and the softkey will be displayed, the corresponding sub - menu is as follows. Softkey Sub - menu Cp - …▼...

  • Page 19: Test Range

    The test range is selected based on to the impedance of LCR to be measured. UTR2830 series has 10 AC testing ranges, 3 Ω, 10 Ω, 30 Ω, 100 Ω, 300 Ω, 1 kΩ, 3 kΩ, 10 kΩ, 30 kΩ and 100 kΩ.
  • Page 20 User’s Manual UTR2830 Series Digital LCR Meter ↑↑ (++)  This softkey is the coarse adjustment key for increasing frequency. Each time the key is pressed, the frequency increases in one of the six typical frequency points in the table below.

  • Page 21: Test Level

    When the automatic level control is enabled, an icon “*” will appear after the current level. Operating step of test level UTR2830 series has two method to set the test level. Use the softkey to set the test level or using the numeric key to direct input the test range.

  • Page 22: Test Speed

    When the test function is set to DCR, the BIAS field displays “- - - -”. Operating step of DC bias UTR2830 series has two method to set the test level. Use the softkey to set the DC bias or using the numeric key to direct input the test range.
  • Page 23 User’s Manual UTR2830 Series Digital LCR Meter Display time of test results  In general, the test result is more stable and accurate in slow speed. The test speed can select FAST (fast), MED (medium), SLOW (slow). Operating step of test speed Move the cursor to the SPEED field, the following soft keys will be displayed.
  • Page 24  6.2.1 Comparator UTR2830 series built-in comparator function divides the DUT to 10 BIN (BIN1 to BIN9 and BIN OUT). It can set the limit of 9 set of primary parameter and one pair of secondary parameter. When the comparator function is enabled (ON), the indicating rule of sorting and PASS/FAIL will display in the following table.
  • Page 25 User’s Manual UTR2830 Series Digital LCR Meter 6.3 <BIN COUNT DISP> Page Press the [Meas] key and press the softkey [BIN NO] at the bottom of the screen to enter the <BIN COUNT DISP> page. The <BIN COUNT DISP> page displays the number of each BIN, as shown in Figure 6 - 3 - 1.
  • Page 26 User’s Manual UTR2830 Series Digital LCR Meter Turn on/off the count function on the <BIN COUNT DISP> page. Move the cursor to the COUNT field on the <BIN COUNT DISP> page, the following soft keys will be displayed.  ...

  • Page 27: List Sweep

    UTR2830 Series Digital LCR Meter 6.4.1 List Sweep UTR2830 series list sweep function allows automatic sweep test of up to 201 points of test frequency, test level or DC bias. UTR2830 series has two list sweep mode, continuous (SEQ) and single step (STEP).
  • Page 28 User’s Manual UTR2830 Series Digital LCR Meter 6.5 <MULTIPARA DISP> Page Press the menu key [Meas] and Press the softkey <MULTIPARA DISP> to enter the <MULTIPARA DISP> page. Press the menu key [Meas] on the <MULTIPARA DISP> page to go back to the <MEAS DISP> page, as shown in Figure 6 - 5 - 1.
  • Page 29 User’s Manual UTR2830 Series Digital LCR Meter When the cursor is on the < MULTIPARA SETUP > screen, you can press the soft key to return to the < MULTIPARA DISP > screen. In < MULTIPARA SETUP > screen, below parameter could be set.

  • Page 30: Comparator Function

    User’s Manual UTR2830 Series Digital LCR Meter Note: The higher and lower limits can be entered into negative numbers via the numeric keypad. 6.5.5 Comparator Function Compared as a percentage of the difference between the measured value and the Percentage(%): nominal value of the part under test, ��−��...
  • Page 31 User’s Manual UTR2830 Series Digital LCR Meter of the measured value of the measured component in this measurement mode, indicating that it is within the higher and lower limits. 6.6 <MEAS SETUP> Page Press the menu key [SETUP] to enter the <MEAS SETUP> page.
  • Page 32 BUS (bus trigger). When the trigger mode is INT (internal trigger), UTR2830 series will perform continuous repeat test. When the trigger mode is MAN (manual trigger), UTR2830 series will perform one test when each time press the [TRIGGER] key.
  • Page 33 User’s Manual UTR2830 Series Digital LCR Meter When the trigger mode is BUS (bus trigger), UTR2830 series will perform one test when IEEE488 port receives the command of “TRIGGER” every time. BUS trigger mode cannot be set on the front panel of the instrument.
  • Page 34 User’s Manual UTR2830 Series Digital LCR Meter Operating steps of automatic level control Executing the following steps to turn on/off the constant level function. Move the cursor to the ALC (automatic level control) field, the following soft keys will be displayed.

  • Page 35: Trigger Delay

    User’s Manual UTR2830 Series Digital LCR Meter Operating steps of V/I Monitor Executing the following steps to turn on/off the V/I Monitoring. Move the cursor to the Vm/Im (Monitor field, the following soft keys will be displayed.   Use the softkey ON to turn on the V/I Monitoring. Press the softkey OFF to turn off the V/I Monitoring.

  • Page 36: Internal Resistance

     6.6.7 Internal Resistance UTR2830 series provides three internal resistance of 100 Ω, 50 Ω and 30 Ω. During the test, it is important to ensure that the same internal resistance value is available in order to compare the data with other testers.
  • Page 37 User’s Manual UTR2830 Series Digital LCR Meter   When the number is input, Press the unit softkey mV or V to automatically convert to the final level value. 6.6.10 Deviation and Reference The deviation test displays the deviation value directly on the screen instead of the actual test value.
  • Page 38 User’s Manual UTR2830 Series Digital LCR Meter perform the test. The measured test is automatically entered as the value for Reference A. Use the softkey MEAS or using the numeric key to enter the reference value of the primary parameter.
  • Page 39 UTR2830 series provides two correction modes, the first one is executing open and short correction on all frequency points by interpolation method; the other one is executing open, short and load correction for the currently set frequency point.

  • Page 40: Open-Circuit Correction

    6.7.1 Open-circuit Correction The open - circuit correction function of UTR2830 series can eliminate the error caused by the stray admittance (G, B) parallel - connected with the DUT, as shown in Figure 6 - 7 - 1.
  • Page 41 Press the softkey DCR OPEN, UTR2830 series will measure open - circuit resistance under the DC resistance function. Press the softkey ON to enable the open - circuit correction, UTR2830 series will perform open - circuit correction calculation in the following test process. If the frequency is set to OFF, the open - circuit correction data of the current frequency will be calculated by interpolation method.

  • Page 42: Short-Circuit Correction

    6.7.2 Short-circuit Correction The short - circuit correction function of UTR2830 series can eliminate the error caused by spurious inductance (R, X) in serial with the DUT, as shown in Figure 6 - 7 - 2.

  • Page 43: Load Correction

    Press the softkey DCR SHORT, UTR2830 series will measure short - circuit resistance under the DC resistance function. Press the softkey ON to enable the short - circuit correction, UTR2830 series will perform short - circuit correction calculation in the following test process. If the frequency is set to OFF, the short - circuit correction data of the current frequency will be calculated by interpolation method.
  • Page 44 User’s Manual UTR2830 Series Digital LCR Meter reference can be set on the REF A AND REF B. Before set the standard reference, the test function of reference should be set on the FREQ at first. When the cursor moves to the cursor to the FREQ, the softkey MEAS LOAD will be displayed, and then press this softkey to perform the load correction test.

  • Page 45: Test Function

    User’s Manual UTR2830 Series Digital LCR Meter 10) Set the test fixture to short circuit. 11) Press the softkey MEAS SHORT to perform short - circuit correction at the currently set frequency. The test result (R, X) will display in the help line (the bottom line).

  • Page 46: Point-Frequency Correction

    Figure 6 - 8 - 1 Comparator function can be set on this page. UTR2830 series can set 9 bin limits of primary parameters and one of secondary parameters. The tested result can be divided into up to 10 bins (BIN 1 to BIN 9 and BIN OUT).
  • Page 47 User’s Manual UTR2830 Series Digital LCR Meter When UTR2830 installs the HANDLER interface and it is used in automatic sorting system, the compare function will be especially useful. The following limit parameter of comparator function can only be set on <LIMIT SETUP> page.
  • Page 48 User’s Manual UTR2830 Series Digital LCR Meter In the sequential mode, set the test range as the compare limit value. The compare limit must be set in the order from small to large. Figure 6 - 8 - 2 Tolerance and Sequential Mode When set the limit value of tolerance mode, the error range should be set in the order from small to large.

  • Page 49: Comparator Function (On/Off)

    6.8.4 Comparator Function (ON/OFF) UTR2830 series can set 9 bin limits of primary parameters and 1 bin limit of secondary parameters. The test results can be sorted into 10 bins (BIN 1 to BIN 9 and BIN OUT) at most. If the primary parameter of the DUT is within the limit range from BIN 1 to BIN 9, but the secondary parameter is out of the limit range, in this case the DUT will be sorted into AUX bin.
  • Page 50 Use above softkey to set the auxiliary bin ON/OFF. 6.8.6 Higher/Lower Limit UTR2830 series can set 9 bin limits of primary parameters and 1 bin limit of secondary parameters. The test results can be sorted into 10 bins (BIN 1 to BIN 9 and BIN OUT) at most.
  • Page 51 User’s Manual UTR2830 Series Digital LCR Meter Operating steps of higher/lower limit Set PARAM and NOM in the comparator menu and the limit MODE of the primary parameter. Move the cursor to the LOW field of BIN 1, if the tolerance mode is selected, the following step 3 to step 6 will be executed;...

  • Page 52: Test Parameter

    UTR2830 Series Digital LCR Meter Figure 6 - 9 - 1 The list sweep function of UTR2830 series can perform the automatic sweep test for the test frequency, test level or bias voltage of 201 points. The following sweep parameters can be set on the <LIST SWEEP SETUP> page.

  • Page 53: Sweep Parameter

    User’s Manual UTR2830 Series Digital LCR Meter ■ FREQ [Hz] ■ LEVEL [V] ■ LEVEL [A] ■ BIAS [V] ■ BIAS [A] Press one of the softkey to select the list sweep parameter. 6.9.3 Sweep Parameter Move the cursor to the list to set each sweep parameter, which is to set FREQ (Hz), LMT, HIGH, and LOW in the list.
  • Page 54 User’s Manual UTR2830 Series Digital LCR Meter 7. [SYSTEM] and [FILE LIST> 7.1 <SYSTEM SETUP> Page Press the menu key [SETUP], and then press the [SYSTEM SETUP] to enter the <SYSTEM SETUP> page, as shown in Figure 7 - 1 - 1.

  • Page 55: Communication Mode

    User’s Manual UTR2830 Series Digital LCR Meter  This softkey is used to turn off this function. 7.1.2 FAIL Beep This function is used to control and display the beep mode when the compared result is unqualified. Operating step of FAIL Beep Move the cursor to the FAIL Beep field, the following soft key will be displayed.

  • Page 56: Communication Protocol

    7.2 <FILE LIST> Page UTR2830 series can save the user - defined parameter as the file to the nonvolatile memory of the instrument. If the user need to use the same settings, this function is useful for loading the file to restore the previous settings.
  • Page 57 User’s Manual UTR2830 Series Digital LCR Meter Figure 7 - 2 - 1 7.2.1 Setup File of PASS Beep Single - group Component PASS Beep (*.STA) The instrument can only save 100 groups of different single - group components setup files (*.STA).
  • Page 58 7.2.2 USB UTR2830 series is equipped with USB HOST interface, so the external USB can be the storage medium and it breaks the memory limit of 100 groups. The file can be copied to IBM PC or compatible desk - top Instruments.uni-trend.com...

  • Page 59: File Manage

    User’s Manual UTR2830 Series Digital LCR Meter computer, laptop with USB interface. UTR2830 supports USB with the following conditions. Standard: USB 1.0/1.1  Capacity: less than 128GB  File format: FAT16, FAT32 (use Microsoft Windows to formatting)  7.2.3 File Manage Operating steps of file manage A.

  • Page 60: Correction Operation

    User’s Manual UTR2830 Series Digital LCR Meter Press the softkey LOAD, the selected file will be loaded. Meanwhile, UTR2830 will return to the <MEAS DISP> page. D. Copy a file to USB It assume that move the internal file 2 to external storage USB.
  • Page 61 User’s Manual UTR2830 Series Digital LCR Meter Press the softkey ON to turn on open - circuit correction. Insert the short - circuit plate to the test fixture. Move the cursor to the SHORT field, the sofkey ON, OFF, MEAS SHORT and DCR SHORT will be displayed.

  • Page 62: Correct Connection Of Dut

    User’s Manual UTR2830 Series Digital LCR Meter 12) Keep the test fixture in open - circuit state, press the softkey MEAS OPEN to execute open - circuit correction. 13) Insert the short - circuit plate to the test fixture. 14) Press the softkey MEAS SHORT to execute the short - circuit correction.
  • Page 63 User’s Manual UTR2830 Series Digital LCR Meter between test terminals or directly connect Hc with Lc, Hp with Lp, and then connect the two together. When the DUT is a polarity component, before measuring, the high potential terminal should be connected to the terminal with mark “+”, “Hc”...
  • Page 64 User’s Manual UTR2830 Series Digital LCR Meter connect with Cx in parallel and then connect with Cl in series, the test result will occur error if connected by this way. If a ground conductor is installed between high and low terminals, Cd can be reduced to the minimum.
  • Page 65 Press the key 100 Ω to select internal resistance of 100 Ω. 3. Connect the test fixture to the test terminal of UTR2830 series. 4. Execute zero clearing (To avoid the influence of stray impedance on measurement accuracy, Open/ Short correction must be operated.)
  • Page 66 User’s Manual UTR2830 Series Digital LCR Meter 8.5 Application Example of Testing Capacitance by Multi - frequency List Sweep Test condition Function: Cp - D Level: 1 Vrms Other parameter is shown in the following table. Frequency Compare parameter Lower limit...
  • Page 67 Move the cursor to the FAIL BEEP field, this area displays HIGH LONG. 4． Connect the test fixture (HY26048A) to the test terminal of UTR2830 series. 5． Execute the test operation.(To avoid the influence of stray impedance on measurement accuracy, Open/ Short correction must be operated.)

  • Page 68: Setup Example Of Comparator

    OFF. Refer to “Correction” operation in this chapter. 8.6 Setup Example of Comparator UTR2830 series has complete comparator function. It is convenient for component measurement and judging incoming and outgoing quality inspection in production line. Standard configuration of HANDLER interface is suitable for automatic sorting measurement system.
  • Page 69 User’s Manual UTR2830 Series Digital LCR Meter Primary parameter (FUN1) Secondary parameter (FUN2) Frequency (FRQ) 100kHz Level (LEV) Speed (SPEED) SLOW AUX ON/OFF (AUX) Tolerance mode of primary parameter (MODE) %TOL (percentage tolerance mode) Nominal (NOMINAL) 470 pF Lower limit of BIN 1 (BIN1 LOW) - 3.4%...
  • Page 70 User’s Manual UTR2830 Series Digital LCR Meter 8.6.2 Load Correction Operating steps It is assumed that the user uses the test condition as follows. Frequency: 100kHz Cp standard value: 11nF D standard value: 0.0005 a) Press the key [SETUP], MEAS DISP, LIMIT SETUP, CORRECTION, SWEEP SETUP, FILE LIST and SYSTEM SETUP will be displayed in the softkey area.

  • Page 71: Performance And Test

    User’s Manual UTR2830 Series Digital LCR Meter in the cursor area on the center of the screen, and the softkey area displays the unit (p, n, μ, m, *1 and k). Press the key [*1], then this area will be changed as 0.00050.

  • Page 72: Equivalent Mode

    Delay time: time from trigger to start. 0-60 seconds are step with 1 ms, and it can be programmable. 9.1.6 Connection Method of Test Terminal UTR2830 series adopts 4 - terminal test method. Hcur: current sampling high-end Lcur: current sampling low-end...
  • Page 73 User’s Manual UTR2830 Series Digital LCR Meter Medium: about 12 times/s (83 ms/time) Slow: about 6 times/s (167 ms/ time) When the frequency is lower than 10kHz, the test speed of medium and fast will be decreased. 9.1.8 Average It can be programmable from 1 - 255.

  • Page 74: Output Impedance

    User’s Manual UTR2830 Series Digital LCR Meter Normal 10O μArms - 20 mArms ± (10%× the set value +10 Constant 100 μArms - 10 mArms μArms) Current 100 μA current ± (6%× the set value +10 μArms) 9.1.13 Output Impedance...
  • Page 75 User’s Manual UTR2830 Series Digital LCR Meter Check the accuracy of instrument should be under the following circumstances. a． Warm-up time: ≥ 30 mins, test cable length: 0m, 1m b． Execute the open - circuit/short - circuit correct properly after warming up c．...

  • Page 76: Accuracy Ofθ

    User’s Manual UTR2830 Series Digital LCR Meter The above formula should be used when Q ×D <1. 9.1.20 Accuracy ofθ Accuracy of θ is given by the following formula: θe = [deg]   9.1.21 Accuracy of G When D (tested value of D) ≤...

  • Page 77: Accuracy Factor

    User’s Manual UTR2830 Series Digital LCR Meter Here, X is tested value of X with the unit [S]. is tested value of C with the unit [F]. is tested value of L with the unit [H]. is the accuracy of D.
  • Page 78 User’s Manual UTR2830 Series Digital LCR Meter Figure A Basic Measurement Accuracy A In Figure A, select a smaller value on boundary line. In Figure A, the basic accuracy can be selected by the following methods. 0.05 - - - - when 0.4 Vrms≤V ≤1.2 Vrms, the test speed is the slow, medium, fast of A.

  • Page 79: Accuracy Of Dcr

    User’s Manual UTR2830 Series Digital LCR Meter 100Hz  fm ≤100 kHz 100 kHz < ≤ 200 kHz : test frequency with the unit [Hz] Impedance of the DUT [Ω] Test signal voltage [mVrms] When the impedance is smaller than 500 Ω, K is unavailable.

  • Page 80: Performance Test

    User’s Manual UTR2830 Series Digital LCR Meter Here, R is tested resistance. 9.1.26 Accuracy of Lk The accuracy of inductance L is +0.2%. 9.1.27 Safety Requirement The instrument is I class safety instrument 9.1.28 Insulated Resistance Under reference working condition, the insulated resistance between power terminal and instrument’s outer shell should not be smaller than 50 MΩ.

  • Page 81: Test Device

    User’s Manual UTR2830 Series Digital LCR Meter test should be worked in the warm - up conditions discussed in Chapter 1. 9.2.2 Test Device Device Technical requirement 100 pF 1000 pF 10000 pF 0.02 % Standard resistor 10 nF Loss D is known 0.1 uF...

  • Page 82: Measurement Accuracy

    User’s Manual UTR2830 Series Digital LCR Meter connected to ground terminal. Change level as: 100 mV, 300 mV, 1 V, 2 V, the reading should meet the requirement of test signal level in this chapter. 9.2.5 Frequency The ground terminal of frequency meter is connected to the ground terminal of the instrument. The test terminal of the frequency meter is connected with HCUR.
  • Page 83 User’s Manual UTR2830 Series Digital LCR Meter Level: 1 V Range: AUTO Bias: 0 V Speed: Slow Before testing, the open - circuit/short - circuit correction should be executed. Connect to standard inductor 100μH, 1 mH, 10 mH, 100 mH, change the frequency, the error between the instrument reading and the standard value should within the allowance error range, refer to the accuracy of L in this chapter.

  • Page 84: Handler Interface

    Technical specification Operating instruction The UTR2830 series has the Handler interface. The interface is mainly used for the output of the sorted result. When the instrument is used in the automatic component sorting test system, the interface provides a contact signal with the system and an output signal of sorting results. The sorting result is corresponding to the output of BIN 10.
  • Page 85 User’s Manual UTR2830 Series Digital LCR Meter 10.2 Operating Instruction 10.2.1 Introduction This chapter is to introduce the signal wire of Handler interface and the electrical characteristic. 10.2.2 Definition of Signal Wire HANDLER interface uses three signal: compare output, control input and control output.
  • Page 86 User’s Manual UTR2830 Series Digital LCR Meter /OUT /AUX External trigger: /EXT.TRIG When the trigger mode is EXT.TRIG, HY2830 will be triggered by a rising edge pulse signal added to this pin. External DC voltage 2: EXT.DCV2 DC power supply pin for optoelectronic coupling signal (/EXT_TRIG, /KeyLock;/ALARM, /INDEX, /EOM)
  • Page 87 User’s Manual UTR2830 Series Digital LCR Meter PHI (OUT) Primary parameter BIN 1 BIN 2 BIN 3 BIN 4 SREJ (AUX) BIN 5 SREJ (AUX) BIN 6 BIN 7 BIN 8 BIN 9 PLO (OUT) Secondary parameter Figure 1 /PHI, /PLO, /SREJ Signal Distribution for BIN Comparator...
  • Page 88 T3: the trigger waiting time after /EOM output 0 us - - - 1. For the measurement time, please refer to UTR2830 series user’s manual; 2. The typical comparison time is approximately 1 ms; 3. The display time for every display page is below: MEAS DISPLAY: 8 ms BIN NO.DISPLAY: 5 ms...
  • Page 89 User’s Manual UTR2830 Series Digital LCR Meter When /INDEX and /EOM is effective, the sequence is as follows: (different from BIN comparison) SEQ sweep mode: /INDEX is defined as the effective signal when the last sweep point of the analog test is finished.
  • Page 90 User’s Manual UTR2830 Series Digital LCR Meter However, the comparison signal can be effective until /EOM becomes effective (see Figure 5). Test ended: SEQ: /EOM is defined as the effective signal when all the test results are effective after every list sweep are finished (see Figure 5).
  • Page 91 User’s Manual UTR2830 Series Digital LCR Meter SEQ SWEEP MODE: STEP SWEEP MODE: Figure 5 Timing Diagram Note: The setup time includes correction data ON/OFF time. The compare and display time is 4.5 ms approximately. T1, T2, T3 refer to Figure3.
  • Page 92 User’s Manual UTR2830 Series Digital LCR Meter list sweep comparison. DC isolation output: DC isolation output (pin1 to pin16) generates the isolation by the optoelectronic coupler with the collector open. The output voltage on every line is set by the pull-up Resistance on the HANDLER interface board.
  • Page 93 User’s Manual UTR2830 Series Digital LCR Meter 10.2.4 Board Circuit of HANDLER Output circuit of compare result signal EXT.DCV1 PULL-UP RESISTOR /OUT /BIN1 /BIN8 /BIN9 /AUX /PHI /PLO /SREJ COM1 UTR2830E Common Instruments.uni-trend.com 93 / 97...
  • Page 94 User’s Manual UTR2830 Series Digital LCR Meter Output circuit of control signal EXT.DCV2 PULL-UP RESISTOR /ALARM /INDEX /EOM COM2 UTR2830E Common Input circuit of control signal Instruments.uni-trend.com 94 / 97...
  • Page 95 User’s Manual UTR2830 Series Digital LCR Meter 10.2.5 Operating Instruction After HANDLER board circuit is installed, HANDLER can be used to set the limit list for comparison function or set the list sweep for list sweep comparison. And then set HANDLER to OUTPUT/INPUT signal.

  • Page 96: Appendix A Maintenance And Cleaning

    User’s Manual UTR2830 Series Digital LCR Meter Note: use HANDLER to improve the test speed 1． Lock the range at the maximum capacitance that can be detected. For example, it is assumed that the maximum capacitance is 10 uF, set the instrument to automatically select the range measurement to test 10 uF and then lock this range.

  • Page 97: Appendix B Warranty Overview

    User’s Manual UTR2830 Series Digital LCR Meter 11.2 Appendix B Warranty Overview UNI - T (UNI - TREND TECHNOLOGY (CHINA) CO., LTD.) ensures the production and sale of products, from authorized dealer’s delivery date of three years, without any defects in materials and workmanship.

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