TH1961(EOL) Digit Multimeter
Performance characteristics

 TH1961 6 1/2 digit display(1,199,999 counts)

 Max. test speed: 1ms

 High brightness vacuum fluorescent display

 Calibration without opening the case

 True-rms AC voltage and current measurement, bandwidth

   up to 300kHz

 12 different measurements: DCV/ACV, DCI/ACI, Ω2W/Ω4W, 

   Frequency/Period, Diode Test, Continuity, dB/dBm

 DCV measurement accuracy up to 0.0035%, resolution up to

   0.1uV

 Equal accuracy frequency measurement up to 1.1MHz

 Relative mode(REL) to eliminate residual reading

 2 W, 4W resistance measurement mode selectable

 Built-in mX +b,%, dB, dBm etc. mathematics calculation 

   function

 512 readings storage and MAX/MIN/AVER/STD statistics

 Up to 30,000 readings storage(without statistics)

 HI/IN/LO comparator function

 USB, BPIB and RS-232 Interfaces provide easy 

   system communication

 10 sets of multimeter setup can be stored and loade


Brief Introduction

The TH1951/TH1961 5 1/2, 6 1/2  digit multimeter can test voltage/ current/resistance fast and accurately. Its outstanding performance, such as max.1,200,000 counts, high reading rate1000 meas/sec as well as DC voltage accuracy of 0.0035% provides an ideal costeffective option for customer.

The concise design of front panel of TH1951/TH1961 makes it easier to locate and select the measurement function. High brightness VFD display allows the user to view clearly. Its 12 different measurement functions, including DCV/ACV, DCI/ACI, Ω 2W/Ω 4W, Frequency/Period, Diode Test, Continuity, dB/dBm, cover all basic measurement needs.


Application
Technical Parameter
Test  Function
Test  ParameterDCV, ACV, DCI, ACI, Ω2W, Ω4W, FREQ,PERI  DIODE , CONT
Mathematics FunctionmX+b, %, dB, dBm, REL
RangeAuto, Manual
DisplayVFD
Trigger ModeINT/MAN/BUS/EXT
Programmable Time Delay0 − 6000mS
Reading Storage and Statistics2 to 512 readings can be stored, loaded and countedType of  statistics: MAX、MIN、AVER、STD
Reading HoldTo find out best stable reading for each data block of the given reading number according to the given accuracy.
Limitation MeasurementTo judge HI、IN、LO and display, withALARM for HI/LO
Setup Storage10 setup files can be stored and loaded
CalibrationRecommend Fluke5520A with TH1951/TH1961 Accuracy Calibration software( option )
Communication InterfaceSCPI command support for GPIB(optional),RS232(optional) and  USB(standard) interface
Specifications
Measurement Condition
Calibration interval: one yearOperation Humidity:18°C−28°C , ≤90%RH; When resistor range is 10M and 100M, ≤70%RHWarming up time: 30 minAccuracy is expressed as:  +/-(% of reading +% of range)Temperature coefficient: 0°C--18°C &  28°C--40°C,+0.1%×accuracy /°CFollowing is the specification at slow mode, others please refer  the operation manual .
Full Scale Reading Digits and Reading Rate (meas/sec)
RateSlowMedFast
TH1951 TH1961
Full Scale Reading (digits)119,9991,199,999119,99911,999
Reading Rate(meas/sec)DC V,DC I4 21657
AC V,AC I3 1.5425
Ω  2W4 21657
Ω  4W3 1.51033
DC V
RangeMax. readingResolutionAccuracyInput impedance
TH1951100mV119.9991µV0.02+0.008>10GΩ
1V1.1999910µV0.01+0.004>10GΩ
10V11.9999100µV0.01+0.004>10GΩ
100V119.9991mV0.01+0.00410MΩ
1000V1010.0010mV0.01+0.00410MΩ
TH1961100mV119.99990.1µV0.0065+0.0045>10GΩ
1V1.1999991µV0.0040+0.0009>10GΩ
10V11.9999910µV0.0035+0.0005>10GΩ
100V119.9999100µV0.0045+0.000610MΩ
1000V1010.0001mV0.0055+0.001510MΩ
DC I
RangeMax. readingResolutionAccuracyBurden voltage/ shunt  resistor
TH195110mA11.99990.1µA0.05+0.008<0.15V/10.1Ω
100mA119.9991µA0.05+0.004<1.5V / 10.1Ω
1A1.1999910µA0.10+0.004<0.3V / 0.1Ω
10A11.9999100µA0.25+0.004<0.15V/10mΩ
TH196110mA11.9999910nA0.05+0.004<0.15V/10.1Ω
100mA119.99990.1µA0.05+0.004<1.5V / 10.1Ω
1A1.1999991µA0.08+0.004<0.3V / 0.1Ω
10A11.9999910µA0.25+0.004<0.15V / 10mΩ
AC V
Range100mV1V10V100V750V
TH1951Max. reading119.9991.1999911.9999119.999757.5
Resolution1µV10µV100µV1mV10mV
10~20 Hz1.5+0.1
20~50 Hz0.5+0.1
50Hz~20 kHz0.1+0.1
20~50 kHz0.3+0.150.3+0.1
50~100 kHz1+0.151+0.1
TH1961Max. reading119.99991.19999911.99999119.9999757.50
Resolution0.1µV1µV10µV100µV1mV
10~20 Hz1.50+0.20
20~50 Hz0.50+0.10
50Hz~100Hz0.10+0.03
100~20 kHz0.05+0.030.08+0.03
20~50 kHz0.15+0.050.11+0.050.18+0.05------
50~100kHz0.60+0.08------
100~300kHz                4.00+0.05------------
  Ω  2W/Ω  4W
RangeMax. readingResolutionMeasurement currentAccuracy
TH1951100 Ω119.9991mΩ1 mA0.05+0.008
1 kΩ1.1999910mΩ1 mA0.03+0.004
10 kΩ11.9999100mΩ100μA0.03+0.004
100 kΩ119.99910μA0.03+0.004
1 MΩ1.1999910Ω10μA0.03+0.004
10 MΩ11.9999100Ω7.0×Rx/(10M+Rx)0.1+0.004
100 MΩ119.9991KΩ7.0×Rx/(10M+Rx)0.5+0.008
TH1961100 Ω119.9999100µΩ1 mA0.010+0.004
1 kΩ1.1999991mΩ1 mA0.010+0.001
10 kΩ11.9999910mΩ100μA0.010+0.001
100 kΩ119.9999100m Ω10μA0.010+0.001
1 MΩ1.19999910μA0.010+0.001
10 MΩ11.9999910Ω7.0×Rx/(10M+Rx)0.040+0.001
100 MΩ119.9999100Ω7.0×Rx/(10M+Rx)0.800+0.010
Frequency
RangeMax. readingResolutionAccuracySensitivity(sine wave)
TH19515Hz~10 Hz9.9999910μHz0.05+0.1200mV rms
10Hz~100Hz99.9999100μHz0.01+0.0140mV rms
100Hz~100 kHz999.9991mHz0.005+0.00240mV rms
100k~1.1MHz1099.991Hz0.005+0.002100mV rms
TH19615Hz~10 Hz9.9999991μHz0.05+0.1200mV rms
10Hz~100Hz99.9999910μHz0.01+0.0140mV rms
100Hz~100 kHz999.999910mHz0.005+0.00240mV rms
100k~1.1MHz1099.9990.1Hz0.005+0.002100mV rms



Operating Temperature and Humidity0°C−40°C,  ≤90%RH
Power RequirementsVoltage99V−121V AC ,198V−242VAC
Frequency47.5Hz−63Hz
Power Consumption20 VA max.
Dimensions (W×H×D)277mmx115mmx365mm
Weight 2.5 kg Approx.


Accessary
Standard
Accessories nameModel
Multimeter test cable TH26036(JC-BBA03601)
Optional
Accessories nameModel
TH1951/61 four-terminal test line TH26039
Data download
Name of dataDownload Link
SpecificationDownload
TH1961 Operation Manual Download
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