Shenzhen Shijia Instruments Co., Ltd.

Products

Specializing in spectrum analyzers, network analyzers, signal generators, LCR meters, oscilloscopes, power supplies, probes, digital multimeters, data acquisition systems, source measure units, power meters, battery testers, resistance testers and other high-frequency test instruments

TH1941/TH1942 4½ Digit Digital Multimeters

  • ModelTH1941 / TH1942
  • Attributes4½ Digit Digital Multimeter
  • Category TONGHUI > Digital Multimeter
  • BrandTONGHUI
  • DescriptionThe Tonghui TH1941/TH1942 digital multimeters provide 21000-count / 51000-count high-resolution displays respectively, support true-RMS AC voltage/current measurement (bandwidth up to 100kHz), with DCV measurement accuracy up to 0.02% and resolution of 10

Detailed Introduction Technical Documents

Standard   Configuration    ☑RS232 (only TH1942)    ☑USB DEVICE
Optional   Configuration    □GPIB or HANDLER



The TH1941/TH1942 digital multimeter features 21,000/51,000 count display, supports true RMS AC voltage and current measurement with bandwidth up to 100kHz. It offers 12 measurement functions, with DCV accuracy up to 0.02% and resolution of 10μV. Equipped with a high-brightness dual VFD display, it can display multiple parameters simultaneously. It is widely used for parameter measurement and automatic test system construction in industries such as electronics manufacturing.



Key Features

 

  • 4 1/2 digits, 51,000 counts

  • Testing Speed: up to 25 times/sec

  • 12 measurement functions including DCV/ACV, DCI/ACI, Ω2W/Ω4W, frequency/period, diode, continuity, dB/dBm

  • True RMS AC voltage and current measurement, bandwidth up to 100kHz

  • DCV measurement accuracy up to 0.02%, resolution up to 10μV

  • Zero offset (REL) test mode eliminates residual readings

  • Calibration without opening the case

  • High-brightness large-screen dual vacuum fluorescent display (VFD)

  • Simultaneous display of parameters such as AC+DC, AC+Hz, Readout+dB, Readout+dBm

  • Percentage display function for measured values

  • Comparison function (HI/IN/LO) for rapid test sorting

  • Standard-equipped USB communication interface provides convenient system communication

  • Instrument operating program can be upgraded automatically via USB DEVICE

Technical Specifications

 

Test Function
Test ParametersDC Voltage, AC Voltage, DC Current, AC Current, Resistance, Frequency, Period, Continuity, Diode
Math Functions%, dB, dBm, REL
RangeAuto, Manual
DisplayVFD, Dual Display
Trigger ModeINT/MAN/BUS
Reading HoldFinds more stable readings block by block for the specified number of test data within the set error range
ComparatorSupports identification and display of HI, IN, LO status, and can be set to trigger ALARM beep (enable/disable) under any status
Communication InterfaceUSB, supports SCPI command programming, RS232C (optional)
Performance ParametersUncertainty expression: ± (% of reading + % of full scale)
Reading Rate (readings/second)
Reading RateTH1941
SlowMediumFast
DCV,DCI51025
ACV,ACI51025
Ω51025
AC+DC1.21.41.5
AC+Hz


Freq123.9
DC Voltage (DCV)

RangeMinimum ResolutionMaximum Uncertainty (1 year)
TH1941200mV-1000V10uV0.03%+0.02%
TH1942500mV-1000V10uV0.02%+0.008%
DC Current (DCI)

RangeMinimum ResolutionMaximum Uncertainty (1 year)
TH19412mA-20A100nA0.08%+0.02%
TH19425mA-20A100nA0.05%+0.008%
AC Voltage (ACV)

Frequency BandwidthRangeMinimum ResolutionMaximum Uncertainty (1 year)
TH194120Hz-100kHz200mV-750V10uV0.4%+0.05%
TH194220Hz-100kHz500mV-750V10uV0.35%+0.02%
AC Current (ACI)

BandwidthRangeMinimum ResolutionMaximum Uncertainty (1 year)
TH194120Hz-10kHz2mA-20A100nA0.5%+0.3%
TH194220Hz-10kHz5mA-20A100nA0.5%+0.08%
Resistance

RangeTest CurrentMinimum ResolutionMaximum Uncertainty (1 year)
TH1941200Ω-20MΩ45nA-0.5mA10mΩ0.1%+0.025%
TH1942500Ω-50MΩ45nA-0.5mA10mΩ0.1%+0.008%
Frequency

Measurement RangeVoltage SensitivityMinimum ResolutionMaximum Uncertainty (1 year)
TH19415Hz-1MHz200mVrms0.0001Hz0.01%+0.008%
TH19425Hz-1MHz200mVrms0.0001Hz0.01%+0.008%


Attachments

 

Standard Accessories
Accessory NameModel
Multimeter Test LeadsTH26036(JC-BBA03601)

 

Optional
Accessory NameModel
TH1951/61 Four-terminal Test LeadTH26039


Packaging Dimensions: 215mm(W)x88mm(H)x335mm(D)

Overall Dimensions: 235mm(W)x105mm(H)x360mm(D)

Net Weight: 2.4kg