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Obsnapmeter - PROVA-803 - TES Digital Multi-Meter

Obsnapmeter – PROVA-803 – TES Digital Multi-Meter

This Precision Dual-Channel Multimeter is designed for highly accurate DC and AC voltage, current, and resistance measurements across a wide range. With both single-channel and dual-channel modes, it provides exceptional stability, repeatability, and overload protection, making it suitable for laboratories, industrial testing, and R&D applications.

  • High Accuracy & Stability – DC accuracy up to ±0.1% ± 6 digits, AC up to ±0.2% ± 40 digits
  • Dual-Channel Functionality – Allows simultaneous measurement on two channels, with supplemental accuracy specifications
  • Wide Measurement Range – DCV: 60mV–1000V, ACV: 60mV–1000V, DCA: 600µA–10A, ACA: 600µA–10A, Resistance: 999.99Ω–40MΩ
  • Built-in Overload Protection – All ranges protected up to DC/AC 1000V for safety

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Description

The Precision Dual-Channel Multimeter is engineered for both laboratory and industrial applications where high accuracy is critical. It measures DC and AC voltage, current, and resistance with minimal deviation, providing fast, reliable readings. The device features single-channel and dual-channel operation, allowing simultaneous monitoring while accounting for supplemental accuracy adjustments. Overload protection ensures safe use across a wide voltage and current range.

Equipped with advanced circuitry and high-impedance input design, this multimeter ensures stable and repeatable measurements. It provides detailed readings in both standard units and PPM for dual-channel voltage differences (V1–V2). With easy-to-read resolutions, accurate ranges, and compliance with stringent specifications, it is ideal for precision testing of electrical components, research, quality control, and troubleshooting in complex systems.

 

 

Features

  • 60,000 counts and dual input channels
  • 0.1% DC Voltage basic accuracy and 0.2% AC voltage basic accuracy
  • Bandwidth of 10KHz (max)
  • Fast ACV, ACA response
  • Better AC accuracy than that of a bench top DMM
  • More functions than those of a bench top DMM
  • Much lower cost than that of a bench-top DMM
  • Study the relationship of two voltages similar to a dual channels DSO
  • Study of relationship of voltage and current with one DMM
  • Dual display of frequency and duty cycle
  • Record data of both channels using PC through the RS-232C interface
  • Standalone data logging of 10708 records for both channels

Specifications

DC Voltage: (Input Impedance: 10M)

Range Resolution Accuracy Overload Protection
60.000mV 0.001mV ±0.2%±9dgts DC 1000V
600.00mV 0.01mV ±0.1%±6dgts DC 1000V
6.0000V 0.0001V ±0.1%±6dgts DC 1000V
60.000V 0.001V ±0.1%±6dgts DC 1000V
600.00V 0.01V ±0.1%±6dgts DC 1000V
1000.0V 0.1V ±0.1%±6dgts DC 1000V

 

AC Voltage:

Range (ACV) Resolution Accuracy (50/60Hz) Accuracy

(45Hz – 1KHz)
60.000mV 0.001mV ±0.2%±40dgts ±0.6%±40dgts
600.00mV 0.01mV ±0.2%±40dgts ±0.6%±40dgts
6.0000V 0.0001V ±0.2%±40dgts ±0.6%±40dgts
60.000V 0.001V ±0.2%±40dgts ±0.6%±40dgts
600.00V 0.01V ±0.2%±40dgts ±1.5%±40dgts
1000.0V

(0 – 400V)

 0.1V ±0.2%±40dgts ±4%±60dgts
1000.0V

(400 – 1000V)

 0.1V ±0.2%±40dgts (45Hz – 400Hz)

±4%±60dgts
Range (ACV) Accuracy (20Hz – 45Hz) Accuracy (1KHz – 10KHz)

 
60.000mV ±1.6%±50dgts ±4%±40dgts
600.00mV ±1.6%±50dgts ±2%±40dgts
6.0000V ±1.6%±50dgts ±2%±40dgts
60.000V ±1.6%±50dgts ±2%±40dgts
600.00V (0 – 400V) ±1.6%±50dgts ±5%±40dgts
600.00V (400 – 600V) ±1.6%±50dgts Not Specified
1000.0V (0 – 400V) ±1.6%±50dgts ±4%±80dgts
1000.0V (400 – 1000V) ±1.6%±50dgts Not Specified

 

DC Current

Range Resolution Accuracy
600.00uA 0.01uA ±0.4%±20dgts
6000.0uA 0.1uA ±0.2%±20dgts
60.000mA 0.001mA ±0.4%±20dgts
600.00mA 0.01mA ±0.2%±20dgts
1.0000A 0.001A ±0.2%±20dgts
10.000A 0.001A ±0.6%±20dgts

AC Current

Range (ACA) Resolution Accuracy (50/60Hz) Accuracy

(45Hz – 1KHz)
600.00uA 0.01uA ±0.6%±40dgts ±0.8%±40dgts
6000.0uA 0.1uA ±0.6%±40dgts ±0.8%±40dgts
60.000mA 0.001mA ±0.6%±40dgts ±0.8%±40dgts
600.00mA 0.01mA ±0.6%±40dgts ±0.8%±40dgts
1.0000A 0.0001A ±0.6%±40dgts ±0.8%±40dgts
10.000A 0.001A ±0.9%±40dgts ±0.9%±40dgts

 

Range

(ACA)

 Accuracy

(20Hz – 45Hz)

 Accuracy

(1KHz – 10KHz)
600.00uA ±2%±20dgts ±4%±20dgts
6000.0uA ±2%±20dgts ±4%±20dgts
60.00mA ±2%±20dgts ±0.9%±20dgts
600.00mA ±2%±20dgts ±0.9%±20dgts
1.0000A ±2%±20dgts ±2.5%±20dgts
10.000A ±3.9%±20dgts ±2.5%±20dgts

 

Supplement Dual Channels Specification (DC – 400Hz):

The following accuracy should be added to all the listed accuracy if dual channels measurements are performed.

ACV (Ch2) DCV (Ch2) ACA (Ch2) DCA (Ch2)
ACV

(CH1)

 ±2%

±(V1 – V2)

200 PPM

(Ch1, Ch2)

 ±0.9%

±(V1 – V2)

20 PPM

(Ch1, Ch2)

 ±0.2uA/V(uA,Ch2)

±2uA/V(mA,Ch2)

±0.4mA/V(A,Ch2)

±4mV/A(mV,Ch1)

±9mV/A(V,Ch1)

 ±0.5%

(Ch1,Ch2)

 

 

 
DCV

(CH2)

 ±0.9%

±(V1 – V2)

20PPM

(Ch1, Ch2)

 ±0.5%

(Ch1,Ch2)

 ±0.5%

(Ch1, Ch2)

 ±0.5%

(Ch1, Ch2)

The result of (V1 – V2) PPM is of volts.

V1: the voltage reading in volts of channel 1

V2: the voltage reading in volts of channel 2

PPM: Parts per million, Ch1: Channel 1, Ch2: Channel 2

 

Resistance: Ω

Range Resolution Accuracy Overload Protection
999.99 Ω 0.01 Ω ±0.25%±9dgts AC1000V
9.9999KΩ 0.0001KΩ ±0.25%±6dgts AC1000V
99.999KΩ 0.001KΩ ±0.25%±6dgts AC1000V
999.9KΩ 0.01KΩ ±0.25%±6dgts AC1000V
9.9999MΩ 0.0001MΩ ±0.3%±9dgts AC1000V
40.000MΩ 0.001MΩ ±1.5%±9dgts AC1000V

 

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