Product Description
Brief Introduction
TH1941 4 1/2-digit true-RMS digital multimeter and TH1942 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, TH1941/TH1942 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. The instrument is equipped with SMD component inside to reduce density and physical size. The instrument comes standard with RS232C communication interface and common communication software is optional to meet the need of communication with computer, data analysis and statistics, and building up automatic test system. The instrument accepts SCPI command to ensure compatibility of communication software.
Technical Parameter
Measurement Parameters | DC/AC Voltage, DC/AC Current, Resistance,Frequency, Period, Continuity, Diode |
Math Function | %, dB, dBm, REL |
Range | Auto, Manual |
Display | VFD, dual display |
Reading Mode | Single display: all measurement parametersDual display: ACV+DCV, ACI+DCI, ACV+Hz, ACI+Hz, Readout+dB/dBm, Readout+Max/ Min |
Trigger Mode | INT/MAN/BUS |
Reading Hold | To find out the best stable reading for each data block of the given reading number according to given accuracy |
Comparator | To judge HI, IN, LO and display, with ALARM atHI/LO(selectable) |
Interface | RS232C(only TH1942), supporting SCPI command |
Measurement Condition |
Calibration Cycle: 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 . |
Model | TH1941 | TH1942 |
Speed (counts/second) | Slow | Middle | Fast | Slow | Middle | Fast |
DCV,DCI | 5 | 10 | 25 | 5 | 10 | 25 |
ACV,ACI | 5 | 10 | 25 | 5 | 10 | 25 |
Ω | 5 | 10 | 25 | 5 | 10 | 25 |
AC+DC | 1.2 | 1.4 | 1.5 | 1.2 | 1.4 | 1.5 |
Freq | 1 | 2 | 3.9 | 1 | 2 | 3.9 |
DC Voltage | Max. Reading | Resolution | Accuracy | Inputimpedance | Max. Reading | Resolution | Accuracy | Input impedance |
Range | 200mV/500mV | 210.00 | 10µV | 0.03+0.04 | 10MΩ | 510.00 | 10µV | 0.02+0.016 | 10MΩ |
2V/5V | 2.1000 | 100µV | 0.03+0.02 | 11.1MΩ | 5.1000 | 100µV | 0.02+0.008 | 11.1MΩ |
20V/50V | 21.000 | 1mV | 0.03+0.02 | 10.1MΩ | 51.000 | 1mV | 0.02+0.008 | 10.1MΩ |
200V/500V | 210.00 | 10mV | 0.03+0.02 | 10MΩ | 510.00 | 10mV | 0.02+0.008 | 10MΩ |
1000V | 1200.00 | 100mV | 0.03+0.02 | 10MΩ | 1200.00 | 100mV | 0.02+0.008 | 10MΩ |
DC Current | Max. Reading | Resolution | Accuracy | Load Voltage/ Shunt Resistance | Max. Reading | Resolution | Accuracy | Voltage /Shunt |
Range | 2mA/5mA | 2.1000 | 0.1µA | 0.08+0.025 | <0.3V/100Ω | 5.1000 | 0.1µA | 0.05+0.010 | <0.6V/100Ω |
20mAV/50mA | 21.000 | 1µA | 0.08+0.020 | <0.04V / 1Ω | 51.000 | 1µA | 0.05+0.008 | <0.06V / 1Ω |
200mA/500mA | 210.00 | 10µA | 0.08+0.020 | <0.3V / 1Ω | 510.00 | 10µA | 0.05+0.008 | <0.6V / 1Ω |
2A/5A | 2.1000 | 100µA | 0.3+0.025 | <0.05V / 10mΩ | 5.1000 | 100µA | 0.25+0.010 | <0.1V / 10mΩ |
20A | 20.000 | 1mA | 0.3+0.025 | <0.6V / 10mΩ | 20.000 | 1mA | 0.25+0.010 | <0.6V / 10mΩ |
AC Voltage | 200mV | 2V | 20V | 200V | 750V | 500mV | 5V | 50V | 500V | 750V |
Resolution | 10µV | 100µV | 1mV | 10mV | 100mV | 10µV | 100µV | 1mV | 10mV | 100mV |
Accuracy | 20~50 Hz | 1.0+0.2 | ------ | 1.0+0.08 | ------ |
50~20 kHz | 0.5+0.15 | 0.4+0.05 | 0.8+0.075 | 0.5+0.06 | 0.35+0.02 | 0.50+0.03 |
20k~50 kHz | 1.8+0.25 | 1.5+0.10 | 1.5+0.1 | 1.00+0.04 |
50k~100 kHz | 3.0+0.75 | 3.0+0.25 | 3.0+0.3 | 3.0+0.1 |
AC current | 2mA | 20mA | 200mA | 2A | 20A | 5mA | 50mA | 500mA | 5A | 20A |
Resolution | 0.1µA | 1µA | 10µA | 100µA | 1mA | 0.1µA | 1µA | 10µA | 100µA | 1mA |
Accuracy | 20~50 Hz | 1.50+0.5 | 2.00+0.5 | 1.50+0.16 | 2.00+0.16 |
50~2 kHz | 0.5+0.3 | 0.5+0.3 | 0.5+0.08 | 0.5+0.1 |
2k~20 kHz | 2+0.5 | 2+0.38 | ------ | 2+0.16 | 2+0.12 | ------ |
Load Voltage/Shunt Resistance | Same as DC current | Same as DC current |
Resistance | Max. Reading | Resolution | Test Current | Accuracy | Max. Reading | Resolution | Test Current | Accuracy |
Range | 200Ω/500Ω | 210.00 | 10mΩ | 0.5 mA | 0.10+0.05 | 510.00 | 10mΩ | 0.5 mA | 0.10+0.010 |
2 kΩ/5 kΩ | 2.1000 | 100mΩ | 0.45 mA | 0.10+0.025 | 5.1000 | 100mΩ | 0.45 mA | 0.10+0.008 |
20 kΩ/50 kΩ | 21.000 | 1Ω | 45μA | 0.10+0.025 | 51.000 | 1Ω | 45μA | 0.10+0.008 |
200 kΩ/500 kΩ | 210.00 | 10 Ω | 4.5μA | 0.10+0.025 | 510.00 | 10 Ω | 4.5μA | 0.10+0.008 |
2MΩ/5 MΩ | 2.1000 | 100 Ω | 450nA | 0.15+0.025 | 5.1000 | 100 Ω | 450nA | 0.15+0.008 |
20MΩ/50 MΩ | 21.000 | 1kΩ | 45nA | 0.30+0.05 | 51.000 | 1kΩ | 45nA | 0.30+0.010 |
Frequency | Max. Reading | Resolution | Accuracy | Sensitivity | Max. Reading | Resolution | Accuracy | Sensitivity |
Range | 5~10Hz | 9.9999 | 0.0001Hz | 0.05+0.02 | 200mV rms | 9.9999 | 0.0001Hz | 0.05+0.02 | 200mV rms |
10~100Hz | 99.999 | 0.001Hz | 0.01+0.02 | 300mV rms | 99.999 | 0.001Hz | 0.01+0.02 | 300mV rms |
100~100kHz | 999.99 | 0.1Hz | 0.01+0.008 | 300mV rms | 999.99 | 0.1Hz | 0.01+0.008 | 300mV rms |
100k~1MHz | 9999.9 | 10Hz | 0.01+0.008 | 500mV rms | 9999.9 | 10Hz | 0.01+0.008 | 500mV rms |
Working temperature & humidity | 0°C-40°C, ≤90%RH |
Power supply | Voltage | 198V-242VAC,99V-121VAC |
Frequency | 47.5Hz-63Hz |
Power consumption | ≤ 10 VA |
Dimensions (W×H×D) | 277mmx115mmx340mm |
Weight | Approx. 2.2 kg |
Detailed Photos
Packaging & Shipping
Company Profile
Chuangkai Electronic Co., Ltd is leading company specialized in producing, developing & selling various types of measuring instruments and testing equipment, such as temperature data logger, LCR meter, DC resistance tester (micro ohm meter), digital power meter, power supply, transformer tester, battery tester, programmable DC electronic load, charger, temperature controller, tachometer, high voltage signal-amplifier, power amplifier, etc.
FAQ:Q. How is your company's product after-sales service system?
A. The product warranty period is 12 months, we can provide lifetime maintenance. We have professional pre-sales and after-sales teams that can respond to you within 24 hours to resolve technical issues. We provide one-to-one after-sales service.
Q: Can you customize it?
A: Yes, we accept customization according to customer's specific requirements.
Q. How long is your lead time? If I want to customize instruments, how long will it take?
A. When order quantity is 1-10 units, we have ready stock goods, we can ship out within 3-5 working days after receipt of deposit; products required new production of common materials, usually the lead time is about 10-15 days; products requiring new production of special and rare materials, usually the lead time is about 20-30 days.
Q. What payment method do you accept?
A. Our company accept payment method of T/T (bank transfer), Western Union, PayPal and so on.
Q. What package do you use for your products? What shipping method do you use?
A.1. Our company use standard exporting carton for packing. 2. We ship via express courier (door to door service), by air, and by sea according to customers' requirements.
For more questions, please feel free to send inquiries to us.