Obsnap Instruments Sdn Bhd
29A, Jalan SS 15/4C,
47500 Subang Jaya,
Selangor, Malaysia.
+603-5621 5786
+603-5621 5829

Digital Multi-Meter PROVA-901/PROVA-903

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Digital Multi-Meter PROVA-901/PROVA-903 Multimeter Electrical Inspection

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Product 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

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 Accuracy Accuracy Accuracy  
(ACV) (20Hz - 45Hz) (1KHz– 10KHz) (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  
         
Range Accuracy Accuracy Accuracy  
(ACV) (20KHz – 50KHz) (50KHz– 100KHz) (100KHz-200KHz)  
60.000mV ±4%±40dgts ±4%±40dgts Not Specified  
600.00mV ±2%±40dgts ±2%±40dgts ±2%±40dgts  
6.0000V ±2%±40dgts ±2%±40dgts ±2%±40dgts  
60.000V ±4%±40dgts ±4%±40dgts Not Specified  
600.00V Not Specified Not Specified Not Specified  
1000.0V Not Specified 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 Accuracy Accuracy  
(20Hz - 45Hz) (1KHz – 10KHz) (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    
         
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    
         
 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  
         
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:Diodeopen 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  
         
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    
Overload Indication: OL    
Power Consumption: 6 mA(approx.)    
Low battery Indication:
 
   
Operating Temperature: -10C to 40C    
Operating Humidity: less than 85% relative    
Altitude: up to 2000M    
Storage Temperature: -20C to 60C    
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    
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