PROVA-901/PROVA-903 Digital Multi-Meter 

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PROVA-901/PROVA-903 Digital Multi-Meter 
FEATURES:

The DMM to replace your bench-top one

  • 0.02% DC and 0.1% AC basic accuracy
  • 60,000 counts resolution
  • 200KHz (max.) bandwidth
  • True RMS with fast ACV/ACA response
  • Dual channels measurement similar to a dual channels DSO (V+V, V+A)
  • RS-232C ASCII interface
  • Data logging (model 903 with 10,708 records for both channels)
  • Capacitance measurement
  • Free software (901,903)
  • 1/3 the cost
SPECIFICATION:  
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.
Continuity : ( , open voltage 3V approx.)
Range
Resolution
Beeper
Overload Protection
999.99 次
0.01 次
< 40 次 ( approx )
AC 1000V
Diode Test : (open voltage 3V approx.)
Range
Resolution
ShortCircuit Current
Overload Protection
3.0000V
0.0001V
0.8 mA typical
AC 1000V
Frequency :
Range ( Auto )
Resolution
Accuracy
Overload Protection
1Hz - 200KHz( sine wave )
0.0001Hz -100Hz
㊣0.02%㊣4dgts
AC 1000V
1Hz -2MHz (TTL)
0.0001Hz - 0.0001MHz
㊣0.005%㊣4dgts
AC 1000V
Duty Cycle : (%, TTL, 1Hz 每 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
Resistance: ( 次 )
Range
Resolution
Accuracy
Overload Protection
999.99 次
0.01 次
㊣0.15%㊣8dgts
AC 1000V
9.9999K 次
0.0001K 次
㊣0.09%㊣3dgts
AC 1000V
99.999K 次
0.001K 次

㊣0.09%㊣3dgts
AC 1000V
999.99K 次
0.01K 次
㊣0.09%㊣3dgts
AC 1000V
9.9999M 次
0.0001M 次
㊣0.2%㊣6dgts
AC 1000V
40.000M 次

0.001M 次
㊣1%㊣6dgts
AC 1000V
Capacitance: ( , auto range , and for film capacitor or better)
Range
Resolution
Accuracy 1
60.00nF
0.01nF
㊣0.8%㊣5dgts
600.0nF
0.1n F
㊣1.5%㊣5dgts
6.000 米 F
0.001 米 F
㊣1.5 %㊣5dgts
60.00 米 F
0.01 米 F
㊣2.0%㊣5dgts
600.0 米 F
0.1 米 F
㊣3.5%㊣5dgts
DC Voltage: (Input Impedance: 10M )
Range

Resolution
Accuracy
Overload Protection
60.000mV
0.001mV
㊣0.1%㊣5dgts 1
DC 1000V
600.00mV
0.01mV
㊣0.02%㊣3dgts
DC 1000V
6.0000V
0.0001V
㊣0.02%㊣3dgts
DC 1000V
60.000V

0.001V
㊣0.02%㊣3dgts
DC 1000V
600.00V
0.01V
㊣0.02%㊣3dgts
DC 1000V
1000.0V
0.1V
㊣0.04%㊣3dgts
DC 1000V

DC Current: (10A terminal is protected by a 10A fast blown, high energy fuse, and the terminal of 米 A and mA is protected by 1A fast blown, high energy fuse )
Range

Resolution
Accuracy

600.00 米 A
0.01 米 A
㊣0.2%㊣10dgts
6000.0 米 A

0.1 米 A
㊣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 1
0.001A
㊣0.3%㊣10dgts

AC Current: (The accuracy is specified for a single channel for 5%-100% of range for 45Hz 每 20KHz, True RMS, 10A terminal is protected by a 10A fast blown, high energy fuse, and the terminal of 米 A and mA is protected by 1A fast blown, high energy fuse )
Range (ACA)
Resolution
Accuracy (50/60Hz)
Accuracy (45Hz - 1KHz)
600.00 米 A
0.01m A
㊣0.3%㊣20dgts
㊣0.4%㊣20dgts
6000.0 米 A
0.1m A
㊣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 1
0.001A

㊣0.5%㊣20dgts
㊣0.4%㊣20dgts
 

Range

(ACA)

Accuracy

(20Hz - 45Hz)

Accuracy

(1KHz 每 10KHz)

Accuracy

(10KHz 每 20KHz)
600.00 米 A
㊣1%㊣20dgts
㊣2%㊣20dgts
㊣1%㊣20dgts
6000.0 米 A
㊣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 1
㊣2%㊣20dgts
㊣1.5%㊣20dgts
Not Specified
AC Voltage: The accuracy of ACV or AC mV is specified for 5%-100% of range from 20Hz 每 10KHz, average sensing. Input Impedance is 10M , and overloaded protection is AC 1000V for all range. Accuracy is also specified for single channel (channel 1 or channel 2). If dual channels measurements are performed, additional specification of accuracy will be introduced. Please refer to the supplemental dual channels specification. Due to the wide bandwidth, the reading might not be zero when no inputs present. But the residual reading does not affect the listed accuracy. If the AC reading is less than 100 least significant counts, it is set to zero by the unit.

Range

(ACV)

Resolution

Accuracy

(50/60Hz)

Accuracy

(45Hz - 1KHz)

Accuracy

(20Hz - 45Hz)
60.000mV
0.001mV
㊣0.1%㊣20dgts
㊣0.3%㊣20dgts
㊣0.8%㊣25dgts
600.00mV
0.01mV
㊣0.1%㊣20dgts
㊣0.3%㊣20dgts
㊣0.8%㊣25dgts
6.0000V
0.0001V
㊣0.1%㊣20dgts
㊣0.3%㊣20dgts
㊣0.8%㊣25dgts
60.000V
0.001V
㊣0.1%㊣20dgts

㊣0.3%㊣20dgts
㊣0.8%㊣25dgts
600.00V
0.01V
㊣0.1%㊣20dgts
㊣0.5%㊣20dgts
㊣0.8%㊣25dgts

1000.0V

(0每400V)
0.1V

㊣0.1%㊣20dgts

㊣2%㊣30dgts
㊣0.8%㊣25dgts

1000.0V

(400-1000V)
0.1V

㊣0.1%㊣20dgts

(45Hz 每 400Hz)

㊣2%㊣30dgts
㊣0.8%㊣25dgts
 

Range

(ACV)

Accuracy

1KHz每10KHz)

Accuracy
(10KHz每20KHz)

Accuracy

(20KHz-50KHz)

Accuracy

(50KHz-100KHz)

Accuracy

(100kHz-200KHz)
60.000mV
㊣2%㊣20dgts
㊣2.5%㊣20dgts
㊣4%㊣40dgts
㊣4%㊣40dgts
Not Specified
600.00mV
㊣1%㊣20dgts
㊣2.5%㊣20dgts
㊣2%㊣40dgts
㊣2%㊣40dgts
㊣2%㊣40dgts
6.0000V
㊣1%㊣20dgts
㊣2.0%㊣20dgts
㊣2%㊣40dgts
㊣2%㊣40dgts
㊣2%㊣40dgts
60.000V
㊣1%㊣20dgts
㊣2.0%㊣20dgts
㊣4%㊣40dgts
Not Specified
Not Specified

600.00V

(0-400V)
㊣5%㊣20dgts
Not Specified
Not Specified
Not Specified
Not Specified

600.00V

(400-600V)
Not Specified
Not Specified
Not Specified
Not Specified
Not Specified

1000.0V

(0-400V)
㊣2%㊣40dgts
Not Specified
Not Specified
Not Specified
Not Specified

1000.0V
(400-1000V)
Not Specified
Not Specified
Not Specified
Not Specified
Not Specified
Supplemental Dual Channels Specification (DC 每 400Hz): The following accuracy should be added to all the listed accuracy if dual channels measurements are performed.
ACV (Ch2)