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3-19 

 

 

 

Legend 

Description  

 

Set Auxiliary function

On or OFF 

 

 

Set tolerance mode

Per 

percent tolerance

or Abs

Absolute tolerance 

 

 

Set nominal value of primary parameter 

 

 

Set the low limit value of P1 

 

 

Set the high limit value of P1   

 

Set the low limit value of P2 

 

Set the high limit value of P2   

 

Set the low limit value of P3 

 

Set the high limit value of P3   

 

Set the low limit value of secondary parameter 

 

Set the high limit value of secondary parameter 

 

Perform the following steps to set the high/low limits: 

1. Press 

SHIFT

 key to enable the secondary function. “

” will be displayed on the LCD. 

2.  Press LIMITS key, the Auxiliary status will be displayed as shown in figure 3.7.   
 

 

3.  If no change is required with the previous Auxiliary status, press 

[

or

  [

key to 

select another limit you want to modify. Press 

[ENTER]

 key to enter the data input 

status, “OFF” will be flashing in the primary parameter display area. 

4. Press 

[

or

 [

]

 key to open Auxiliary function. 

5. Press 

[

ESC

] key to return to the main menu without changing the previous value of the 

limits. 

Summary of Contents for U2810D

Page 1: ...OPERATION MANUAL U2810D LCR Meter EUCOL CHANGZHOU Electronic Technology Co Ltd www eucol com cn...

Page 2: ......

Page 3: ...NT CIRCUIT 3 12 3 2 5 1 Series and Parallel Circuit Setup 3 12 3 2 5 2 How to Select the Measurement Circuit Mode 3 12 3 2 6 SIGNAL SOURCE OUTPUT IMPEDANCE 3 13 3 2 7 MEASUREMENT RANGE 3 14 3 2 8 TRIG...

Page 4: ...ACCURACY 6 34 6 7 1 MAXIMUM AND MINIMUM VALUES USED FOR ACCURACY CALCULATION 6 35 6 7 2 MEASUREMENT SPEED FACTOR KS 6 35 6 7 3 MEASUREMENT VOLTAGE LEVEL FACTOR KV 6 35 6 7 4 MEASUREMENT FREQUENCY FACT...

Page 5: ...y other charges for products returned to EUCOL from another country Limitation of Warranty This warranty does not apply to defects resulting from improper or inadequate maintenance and care by Buyer B...

Page 6: ...with the 3 pole power cable z Don t operate in an explosive atmosphere To prevent explosion or file don t operate the instrument in the presence of inflammable gases or fumes z Use the proper fuse Re...

Page 7: ...calibration or service 1 2 Power Requirements 1 Voltage 198 to 242 Vac 2 Frequency 47 5 to 63 Hz 3 Power 20 VA maximum 4 In accordance with internal safety standards this instrument is equipped with...

Page 8: ...x or a similar box for storage 5 The instrument especially the test leads should be kept far away from strong electromagnetic field to avoid interference with measuring precision 1 5 Use Test Fixture...

Page 9: ...hows the brief description of each key on the U2810D s front panel 1 Brand and Model Mark and model of instrument 2 LCD Display the measurement results and test conditions etc 3 Comparator Indication...

Page 10: ...test frequency The secondary function is the comparison function key COMP d SHIFT key The primary function is the secondary function enable key The secondary function is the return the meter key LOCA...

Page 11: ...atus it is the down cursor or decrease key k TRIG MODE key The primary function is the trig mode setup key Under limit status it is the right cursor key l TRIGGER key The primary function is the trigg...

Page 12: ...face This is the USB device interface connector used when operating through the USB interface 4 RS232C Interface This is the RS232C interface connector used when operating through the serial interface...

Page 13: ...uency is 10 kHz 2 Test Signal Level Indication 0 1 V is on The current test signal voltage is 0 1 V 0 3 V is on The current test signal voltage is 0 3 V 1 0 V is on The current test signal voltage is...

Page 14: ...isplay mode 10 The primary Parameter Indication Indicate the current measuring primary parameter user selected L is on Inductance is measured and displayed C is on Capacitance is measured and displaye...

Page 15: ...is on The current key function is the secondary function is off The current key function is the primary function 17 Comparator Function Indication is on The comparator function is turned on is off The...

Page 16: ...he Primary Function Operation 3 2 1 Measurement Function U2810D measures two components of the complex impedance parameters at the same time in a measurement cycle The primary and secondary measuremen...

Page 17: ...function is changed to R X Primary parameter indication is R secondary parameter indication is X 4 Press PAR A key measurement function is changed to Z Primary parameter indication is Z secondary para...

Page 18: ...ed to MED and MED is indicated on the LCD 3 Press SPEED key the measurement speed is changed to SLOW and SLOW is indicated on the LCD 4 Press SPEED key the measurement speed is changed back to FAST an...

Page 19: ...ly for low values of inductance the reactance becomes relatively small compared with that of a large inductance so the series resistance component is more significant So the series equivalent circuit...

Page 20: ...gger mode DUT DUT trigger mode BUS BUS trigger mode Performing the following steps to set the measurement mode 1 Press TRIG MODE key to switch trig mode from INT to BUS and the current measurement mod...

Page 21: ...y area Then U2810D continues correction with the following frequency points and ranges 8 The instrument will return to measurement status after the open correction is successfully completed 9 If short...

Page 22: ...rce output impedance Test signal voltage level If you press ESC key to interrupt the current correction process and return to the measurement status The origin correction data will not be change If FA...

Page 23: ...p status 1 Press SHIFT key and will be displayed on the LCD 2 Press BEEP key the current beep status will be displayed on the LCD as shown in figure 3 5 3 Press or key to select the following beep sta...

Page 24: ...at step 2 and 3 will not be displayed on the top of LCD That means comparator function is turned off 3 3 2 2 Input the Low High Limits Three pairs of primary parameter limits one pair of secondary par...

Page 25: ...mit value of secondary parameter Perform the following steps to set the high low limits 1 Press SHIFT key to enable the secondary function will be displayed on the LCD 2 Press LIMITS key the Auxiliary...

Page 26: ...ect the digit decimal or unit to be modified The selected digit decimal or unit will be flashing 12 Press ESC key to return to the main menu without changing the previous nominal value 13 Press ENTER...

Page 27: ...yed on the LCD 3 Press DISP key the display mode is changed to mode and is indicated same on the top of LCD If you want change from mode to ABS mode refer to previous limits setup 3 3 4 Automatic iden...

Page 28: ...tion efficiency Table4 1 Handler interface signal description 4 2 Operation 4 2 1 Signal Definition The handler interface uses three kinds of signals comparison output control input and control output...

Page 29: ...2 BIN 3 Primary parameter parameter Secondary Low High AUX NG NG AUX High Low Figure 4 1 P1 P2 P3 AUX NG signal s area example Contact assignment is described in Table 4 2 Pin assignment for handler i...

Page 30: ...e the current is less than 0 3A 19 20 21 22 23 24 25 26 NC No Connection 27 28 EXTV External DC voltage DC voltage supply pins for DC isolated open collector outputs P1 P2 P3 AUX NG and DC isolated in...

Page 31: ...4 25 Figure 4 2 Pin Assignment for Handler Interface Connector...

Page 32: ...h T2 Measurement Start Delay Time T3 Trigger wait time after EOM output Time Minimum Value Maximum Value 10us 200us 0us Display time 200us 1 Refer to Charpter 3 for measurement time 2 Typical comparis...

Page 33: ...s of the DC isolated outputs are described in Table 4 3 Table 4 3 Electrical Characteristics of DC Isolated Output DC Isolated Input Opto coupled The TRIG signal pin 12 and 13 is connected to the cath...

Page 34: ...e the internal power Pins 1 and 2 of the jumper J205 should be connected Pins 1 and 2 of the jumper J204 should be connected Use the external power Factory default Pins 2 and 3 of the jumper J205 shou...

Page 35: ...as follows Table 5 1 RS 232C Signal Definition 5 2 U2810D s Serial Interface U2810D only used the smallest subset of the RS232C standard the signals are listed as shown in Table 5 2 Table 5 2 U2810D S...

Page 36: ...ort parameter is showed as table 5 3 Table 5 3 Serial port parameter BAUD 9600 bps DATA 8 BIT Stop bit 1 BIT Correction Null End symbol NL new line symbol ASCII code is10 Connector DB9 5 5 Software Pr...

Page 37: ...ormation immediately even if the whole command has not been executed So if the command includes two queries the controller should read the query responses twice One query is recommended to be included...

Page 38: ...alent Measurement Circuit SER Series equivalent circuit PAR Parallel equivalent circuit The actual capacitor resistor and inductor are not the ideal capacitor resistor and inductor Normally a componen...

Page 39: ...for high impedance component such as small capacitor or large inductor the parallel equivalent circuit mode is the appropriate choice We also select the equivalent circuit mode according to the actual...

Page 40: ...nent Bus When the measurement mode is set to BUS U2810D performs a signal measurement every time the TRIG IMM command is sent to the U2810D via the RS232 interface 6 5 Measurement Terminals 4 Measurem...

Page 41: ...d be taken for better measurement accuracy 6 7 1 Maximum and Minimum Values Used for Accuracy Calculation Table 6 2 Maximum and Minimum values 6 7 2 Measurement Speed Factor ks Slow ks 0 Medium ks 0 F...

Page 42: ...due to parasitic stray impedances of the test fixture Short Correction Short correction eliminates measurement errors due to parasitic residual impedances of the test fixture 6 13 Comparator Function...

Page 43: ...e Baud rate fixed 9600bps Maximum transmission distance 15 m The programming language is SCPI All commands and data are transmitted using the ASCII codes over the bus 6 17 HANDLER interface U2810D can...

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