STA9941/STA9942 Series Digit Multimeter

STA9941 4 1/2-digit true-RMS digital multimeter and STA9942 50,000-count digital multimeter are voltage,current,resistance tester with multi functions and low cost. The instrument can stably perform measurement at high speed as several times as competitive instruments in this class. It provides excellent performance, such as maximum reading of 21,000/51,000 counts, maximum DC voltage accuracy of 0.02%, and low cost to give you a best choice.

Having VFD dual-display with high brightness, STA9941/STA9942 can synchronously display measurement parameters, such as AC/DC voltage or current, AC voltage/current and frequency to improve measurement efficiency and display results clearly.

** Standard Lead Time: within 4 weeks **

Key Features

21,000/51,000-count display

Large-screen dual-display VFD with high brightness

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

Measurement functions, including DCV/ACV, DCI/ACI, Ω,frequency/period, diode, Continuity, dBm, dB, etc.

Parameters,such as AC+DC, AC+Hz, Readout+d B ,Readout+dBm ,displayed synchronously

Measurement speed up to 25 meas/sec

DCV accuracy up to 0.02%, resolution up to10µV

Measured value displayed in the form of percentage

Relative mode (REL) to eliminate residual reading

Equipped RS232C communication interface providing convenient system communication




Test Parameter

DC/AC Voltage,DC/AC Current,Resistance,

Math function





VFD,dual display

Reading mode

Single display: all measurement parameters
Dual display:  ACV+DCV, ACI+DCI, ACV+Hz, ACI+Hz, Readout+dB/dBm, Readout+Max/Min

Power supply

Voltage: 198V-242VAC,99V-121VAC
Frequency: 47.5Hz-63Hz

Power consumption

≤ 10 VA

Dimensions (W×H×D)

277mm x 115mm x 340mm


Approx. 2.2 kg

Main Machine

Module No. Item Description
STA9941 Digit Multimeter 4 1/2 Digit Max Reading 12000 VFD Display, including multimeter test cable
STA9942 Digit Multimeter 4 4/5 Digit Max Reading 50000 VFD Display, including multimeter test cable


Module No. Item Description
SBF0034 RS232C interface connection /
SBF0025 RS232C communications /
SBF0024 Accuracy calibration software /

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