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TES PROVA-901/PROVA-903 Digital Multi-Meter

This digital multimeter delivers high accuracy with a 60,000-count display and dual input channels. It suits professional electrical testing, troubleshooting, and advanced analysis.

  • Wide bandwidth (up to 200 kHz) – Reliable high-frequency measurement.
  • PC connectivity via RS-232C – Enables data logging and analysis.
  • Fast sampling response – Quick ACV/ACA updates for dynamic signals.
  • Standalone data logging (10,708 records) – Store measurements without a PC.

Description

This 60,000-count digital multimeter provides precise and stable readings for demanding electrical work. The dual input channels let users compare voltage or current signals directly on one device. Because the meter uses True RMS technology, it measures distorted AC signals accurately. The fast sampling speed helps capture rapid signal changes during testing.

The meter also includes RS-232 data logging, which allows easy data transfer to a computer for analysis and record keeping. Its wide 200 kHz bandwidth supports advanced troubleshooting tasks. With both auto and manual ranging, the instrument gives users full control and convenience. This multimeter works well for engineers, technicians, and maintenance professionals who need reliable and detailed measurements.

Features

  • 60,000-count LCD with bar graph

  • Dual input channels for comparative measurement

  • True RMS AC voltage and current measurement

  • High basic accuracy: 0.03% DCV, 0.1% ACV

  • Wide bandwidth up to 200 kHz

  • Fast ACV and ACA response

  • Frequency and duty cycle dual display

  • RS-232C PC interface for data recording

  • Standalone data logging up to 10,708 records

  • Auto and manual range selection

  • Continuity, diode, capacitance, and resistance testing

  • Compact handheld design with protective accessories

Specifications

General Specifications

 

Battery Type: 9V
Fuse:       Fast 20A/1000V (A terminal)

Fast 1A/1000V (mA / μA terminal)

Display: 5 + 5 digits LCD
with 30 segments bar graph
Range Selection: auto and manual
Sampling Time: ACV, ACA: 2 times/sec (Approx.)

DCV, DCA: 4 times/sec (Approx.)

Overload Indication: OL
Power Consumption: 6 mA(approx.)
Low battery Indication:  
Operating Temperature: -10°C to 40°C
Operating Humidity: less than 85% relative
Altitude: up to 2000M
Storage Temperature: -20°C to 60°C
Storage Humidity: less than 75% relative
Dimension: 207mm(L) x 101mm (W) x 47mm (H)

8.15″ (L) x 4″ (W) x 1.85″ (H)

Weight: 430g / 15.2oz (battery included)
Accessories: Users manual x 1

9V battery x 1

USB to RS-232 cable x 1

Software CD x 1

Software manual x 1

Electrical Specifications: (23℃±5℃)

The following accuracy is specified for one single channel (channel 1 or channel 2).  If

dual channels are used at the same time, additional % of accuracy should be added to

the listed accuracy.  Please refer to the supplemental dual channels specification.  The

following accuracy is also specified for the ZEROED (relative) value.  The accuracy is

given as ±% of reading± number of least significant digits.

 

AC Voltage: 

Range (ACV) Resolution Accuracy (50/ 60Hz) Accuracy (45Hz – 1KHz)
60.000mV 0.001mV ±0.1%±20dgts ±0.3%±20dgts
600.00mV 0.01mV ±0.1%±20dgts ±0.3%±20dgts
6.0000V 0.0001V ±0.1%±20dgts ±0.3%±20dgts
60.000V 0.001V ±0.1%±20dgts ±0.6%±20dgts
600.00V 0.01V ±0.1%±20dgts ±0.6%±20dgts
1000.0V (0-400V) 0.1V ±0.1%±20dgts ±2%±30dgts
1000.0V (400-1000V) 0.1V ±0.1%±20dgts (45Hz – 400Hz) ±2%±30dgts

 

Range

(ACV)

Accuracy

(20Hz – 45Hz)

Accuracy

(1KHz– 10KHz)

Accuracy

(10KHz– 20KHz)

60.000mV ±0.8%±25dgts ±2%±20dgts ±2.5%±20dgts
600.00mV ±0.8%±25dgts ±1%±20dgts ±2.5%±20dgts
6.0000V ±0.8%±25dgts ±1%±20dgts ±2.0%±20dgts
60.000V ±0.8%±25dgts ±1%±20dgts ±2.0%±20dgts
600.00V (0-400V) ±0.8%±25dgts ±5%±20dgts Not Specified
600.00V (400-600V) ±0.8%±25dgts Not Specified Not Specified
1000.0V (0-400V) ±0.8%±25dgts ±2%±40dgts Not Specified
1000.0V (400-1000V) ±0.8%±25dgts Not Specified Not Specified

 

DC Voltage: (Input Impedance: 10M)

Range Resolution Accuracy Overload Protection
60.000mV 0.001mV ±0.1%±5dgts DC 1000V
600.00mV 0.01mV ±0.03%±3dgts DC 1000V
6.0000V 0.0001V ±0.03%±3dgts DC 1000V
60.000V 0.001V ±0.03%±3dgts DC 1000V
600.00V 0.01V ±0.03%±3dgts DC 1000V
1000.0V 0.1V ±0.04%±3dgts DC 1000V

 

AC Current: 

Range (ACA) Resolution Accuracy (50/60Hz) Accuracy (45Hz – 1KHz)
600.00μA 0.01μA ±0.3%±20dgts ±0.4%±20dgts
6000.0μA 0.1μA ±0.3%±20dgts ±0.4%±20dgts
60.000mA 0.001mA ±0.3%±20dgts ±0.4%±20dgts
600.00mA 0.01mA ±0.3%±20dgts ±0.4%±20dgts
1.0000A 0.0001A ±0.3%±20dgts ±0.4%±20dgts
10.000A 0.001A ±0.5%±20dgts ±0.5%±20dgts

 

Range (ACA) Accuracy

(20Hz – 45Hz)

Accuracy

(1KHz – 10KHz)

Accuracy

(10KHz – 20KHz)

600.00μA ±1%±20dgts ±2%±20dgts ±1%±20dgts
6000.0μA ±1%±20dgts ±2%±20dgts ±1%±20dgts
60.000mA ±1%±20dgts ±0.5%±20dgts ±1%±20dgts
600.00mA ±1%±20dgts ±0.5%±20dgts ±1%±20dgts
1.0000A ±1%±20dgts ±1.5%±20dgts Not Specified
10.000A ±2%±20dgts ±1.5%±20dgts Not Specified

 

DC Current:

Range Resolution Accuracy
600.00μA 0.01μA ±0.2%±10dgts
6000.0μA 0.1μA ±0.1%±10dgts
60.000mA 0.001mA ±0.2%±10dgts
600.00mA 0.01mA ±0.1%±10dgts
1.0000A 0.0001A ±0.1%±10dgts
10.000A 0.001A ±0.3%±10dgts

 

Resistance: (Ω)

Range Resolution Accuracy Overload Protection
999.99Ω 0.01Ω ±0.19%±8dgts AC 1000V
9.9999KΩ 0.0001KΩ ±0.39%±3dgts AC 1000V
99.999KΩ 0.001KΩ ±0.39%±3dgts AC 1000V
999.99KΩ 0.01KΩ ±0.19%±3dgts AC 1000V
9.9999MΩ 0.0001MΩ ±0.2%±6dgts AC 1000V
40.000MΩ 0.001MΩ ±1%±6dgts AC 1000V

 

Supplemental 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)

±1% 
± ( V1 – V2 ) 
* 200 PPM

(Ch1, Ch2)

±0.5% 
± (V1 – V2) 
* 20 PPM

(Ch1, Ch2)

±0.1μA/ V (μA,Ch2)

±1μA / V (mA,Ch2)

±0.2mA / V (A, Ch2)

±2mV / A (mV, Ch1)

±5mV / A (V, Ch1)

±0.25%

(Ch1, Ch2)

DCV

(Ch1)

±0.5% ± (V1 – V2) *   20 PPM

(Ch1, Ch2)

±0.25%

(Ch1,Ch2)

±0.25%

(Ch1, Ch2)

±0.25%

(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: Channel2

Continuity: (, open voltage 3V approx.)

Range Resolution Beeper Overload Protection
999.99Ω 0.01Ω < 40Ωapprox. AC 1000V

 

Capacitance: (, auto range, and for film capacitor or better)

Range Resolution Accuracy
60.00nF 0.01nF ±0.8%±5dgts
600.0nF 0.1nF ±1.5%±5dgts
6.000μF 0.001μF ±1.5%±5dgts
60.00μF 0.01μF ±2.0%±5dgts
490.0μF 0.1μF ±3.5%±5dgts

 

Capacitance: (, manual range, and for film capacitor or better)

Range Resolution Accuracy
99.99nF 0.01nF ±0.8%±5dgts
999.9nF 0.1nF ±1.5%±5dgts
9.999μF 1μF ±1.5%±5dgts
99.99μF 0.01μF ±2.0%±5dgts
999.9μF 0.1μF ±3.5%±5dgts

 

Diode Test: (open voltage 3V approx., overload protection AC 1000V)

Range Resolution Accuracy Short Circuit Current
3.0000V 0.0001V ±2%±5dgts 0.8 mA typical

 

Frequency: (TTL)

Range (Auto) Resolution Accuracy Overload Protection
1.000Hz – 2MHz 0.0001Hz–0.0001MHz ±0.005%±4dgts AC 1000V

 

Duty Cycle: (%, TTL, 1Hz – 600KHz)

Range Resolution Accuracy Overload Protection
0.001% – 9.999% 0.001% ±30d/KHz±30dgts AC 1000V
10.00% – 100.00% 0.01% ±3d/KHz±3dgts AC 1000V

 

Frequency: (AC sine wave)

Range Resolution Accuracy Overload Protection
1.0000Hz– 200KHz 0.0001Hz–100Hz ±0.02%±4dgts AC 1000V

 

Duty Cycle: (%, Sine Wave)

Range Resolution Accuracy Overload Protection
0.001% – 100.00% 0.001% – 0.01% Not specified AC 1000V

 

 

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