■ TH1951 5 1/2 digit display(119,999 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 100kHz
■ 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 Parameter DCV, ACV, DCI, ACI, Ω2W, Ω4W, FREQ,PERI DIODE , CONT Mathematics Function mX+b, %, dB, dBm, REL Range Auto, Manual Display VFD Trigger Mode INT/MAN/BUS/EXT Programmable Time Delay 0 − 6000mS Reading Storage and Statistics 2 to 512 readings can be stored, loaded and countedType of statistics: MAX、MIN、AVER、STD Reading Hold To find out best stable reading for each data block of the given reading number according to the given accuracy. Limitation Measurement To judge HI、IN、LO and display, withALARM for HI/LO Setup Storage 10 setup files can be stored and loaded Calibration Recommend Fluke5520A with TH1951/TH1961 Accuracy Calibration software( option ) Communication Interface SCPI 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) Rate Slow Med Fast TH1951 TH1961 Full Scale Reading (digits) 119,999 1,199,999 119,999 11,999 Reading Rate(meas/sec) DC V,DC I 4 2 16 57 AC V,AC I 3 1.5 4 25 Ω 2W 4 2 16 57 Ω 4W 3 1.5 10 33 DC V Range Max. reading Resolution Accuracy Input impedance TH1951 100mV 119.999 1µV 0.02+0.008 >10GΩ 1V 1.19999 10µV 0.01+0.004 >10GΩ 10V 11.9999 100µV 0.01+0.004 >10GΩ 100V 119.999 1mV 0.01+0.004 10MΩ 1000V 1010.00 10mV 0.01+0.004 10MΩ TH1961 100mV 119.9999 0.1µV 0.0065+0.0045 >10GΩ 1V 1.199999 1µV 0.0040+0.0009 >10GΩ 10V 11.99999 10µV 0.0035+0.0005 >10GΩ 100V 119.9999 100µV 0.0045+0.0006 10MΩ 1000V 1010.000 1mV 0.0055+0.0015 10MΩ DC I Range Max. reading Resolution Accuracy Burden voltage/ shunt resistor TH1951 10mA 11.9999 0.1µA 0.05+0.008 <0.15V/10.1Ω 100mA 119.999 1µA 0.05+0.004 <1.5V / 10.1Ω 1A 1.19999 10µA 0.10+0.004 <0.3V / 0.1Ω 10A 11.9999 100µA 0.25+0.004 <0.15V/10mΩ TH1961 10mA 11.99999 10nA 0.05+0.004 <0.15V/10.1Ω 100mA 119.9999 0.1µA 0.05+0.004 <1.5V / 10.1Ω 1A 1.199999 1µA 0.08+0.004 <0.3V / 0.1Ω 10A 11.99999 10µA 0.25+0.004 <0.15V / 10mΩ AC V Range 100mV 1V 10V 100V 750V TH1951 Max. reading 119.999 1.19999 11.9999 119.999 757.5 Resolution 1µV 10µV 100µV 1mV 10mV 10~20 Hz 1.5+0.1 20~50 Hz 0.5+0.1 50Hz~20 kHz 0.1+0.1 20~50 kHz 0.3+0.15 0.3+0.1 50~100 kHz 1+0.15 1+0.1 TH1961 Max. reading 119.9999 1.199999 11.99999 119.9999 757.50 Resolution 0.1µV 1µV 10µV 100µV 1mV 10~20 Hz 1.50+0.20 20~50 Hz 0.50+0.10 50Hz~100Hz 0.10+0.03 100~20 kHz 0.05+0.03 0.08+0.03 20~50 kHz 0.15+0.05 0.11+0.05 0.18+0.05 ------ 50~100kHz 0.60+0.08 ------ 100~300kHz 4.00+0.05 ------ ------ Ω 2W/Ω 4W Range Max. reading Resolution Measurement current Accuracy TH1951 100 Ω 119.999 1mΩ 1 mA 0.05+0.008 1 kΩ 1.19999 10mΩ 1 mA 0.03+0.004 10 kΩ 11.9999 100mΩ 100μA 0.03+0.004 100 kΩ 119.999 1Ω 10μA 0.03+0.004 1 MΩ 1.19999 10Ω 10μA 0.03+0.004 10 MΩ 11.9999 100Ω 7.0×Rx/(10M+Rx) 0.1+0.004 100 MΩ 119.999 1KΩ 7.0×Rx/(10M+Rx) 0.5+0.008 TH1961 100 Ω 119.9999 100µΩ 1 mA 0.010+0.004 1 kΩ 1.199999 1mΩ 1 mA 0.010+0.001 10 kΩ 11.99999 10mΩ 100μA 0.010+0.001 100 kΩ 119.9999 100m Ω 10μA 0.010+0.001 1 MΩ 1.199999 1Ω 10μA 0.010+0.001 10 MΩ 11.99999 10Ω 7.0×Rx/(10M+Rx) 0.040+0.001 100 MΩ 119.9999 100Ω 7.0×Rx/(10M+Rx) 0.800+0.010 Frequency Range Max. reading Resolution Accuracy Sensitivity(sine wave) TH1951 5Hz~10 Hz 9.99999 10μHz 0.05+0.1 200mV rms 10Hz~100Hz 99.9999 100μHz 0.01+0.01 40mV rms 100Hz~100 kHz 999.999 1mHz 0.005+0.002 40mV rms 100k~1.1MHz 1099.99 1Hz 0.005+0.002 100mV rms TH1961 5Hz~10 Hz 9.999999 1μHz 0.05+0.1 200mV rms 10Hz~100Hz 99.99999 10μHz 0.01+0.01 40mV rms 100Hz~100 kHz 999.9999 10mHz 0.005+0.002 40mV rms 100k~1.1MHz 1099.999 0.1Hz 0.005+0.002 100mV rms Operating Temperature and Humidity 0°C−40°C, ≤90%RH Power Requirements Voltage 99V−121V AC ,198V−242VAC Frequency 47.5Hz−63Hz Power Consumption 20 VA max. Dimensions (W×H×D) 277mmx115mmx365mm Weight 2.5 kg Approx.
- Accessary
| Standard | |||||
| Accessories name | Model | ||||
| Multimeter test cable | TH26036(JC-BBA03601) | ||||
| Optional | |||||
| Accessories name | Model | ||||
| TH1951/61 four-terminal test line | TH26039 | ||||