■ 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
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.
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. |
Standard | |||||
Accessories name | Model | ||||
Multimeter test cable | TH26036(JC-BBA03601) |
Optional | |||||
Accessories name | Model | ||||
TH1951/61 four-terminal test line | TH26039 |