Simpson 270 Series 5 High Accuracy Volt-Ohm-Milliammeter

SKU
270-5
Manufacturer:
Simpson
Simpson

Key Features:

  • Higher accuracy specifications for more precise measurements
  • Self-shielding taut-band meter movement provides added shock resistance
  • Rugged phenolic case with reinforced walls for maximum durability
  • Reverse recessed safety jacks prevent operator and tool contact with electrical connections
  • Large, tri-colored dial with mirrored scale to prevent parallax error
Product Options:
$512.12

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DC voltage accuracy is +/-1.25% full scale; AC voltage accuracy +/-2% full scale; and Resistance accuracy +/-1.5 Deg of arc. The 270-5 comes with batteries, manual and test leads with alligator clips; the 270-5RT also includes a built-in roll-top carrying case.

DC Voltage:

Ranges 

Accuracy* 

Voltage Drop (Nominal) 

250 mV, 1V, 2.5V, 10V,
50V, 250V, 500V, 1000V 

1.25% of full scale @ 77 Deg F
1.75% of full scale @ 67 Deg F - 87 Deg F 

20 KOhms per volt 

AC Voltage:

Ranges 

Accuracy* 

Voltage Drop (Nominal) 

2.5V, 10V, 50V,
250V, 500V, 1000V 

2% of full scale @ 77 Deg F
3% of full scale @ 67 Deg F - 87 Deg F 

5 KOhms per volt 

Decibel:  4 Ranges-  -20 To + 50dB   Reference- 0dB=1mW Into 600 Ohm

DC Current:

Ranges 

Accuracy* 

Voltage Drop (Nominal) 

50uA, 1mA,
10mA, 
100mA, 
500mA, 10A

0.75% full scale on 50 uA @ 77 Deg F 
1.25% full scale of all others @ 77 Deg F 
1.25% full scale on 50 uA @ 67 Deg F - 87 Deg F
1.75% full scale on all others @ 67 Deg f - 87 Deg F  

250mV on 50 uA and 1mA 
225mV on 10mA and 10A 
300mV in 100mA 
50mV on 500mA 


Resistance:

Ranges 

Accuracy* 

Max. Indication 

Rx 1
Rx 100 
Rx 10K 

1.5 Deg of arc on Rx 1
1 Deg of arc on all others  

0-2 KOhms
0-200 KOhms 
0-20 MOhms  

*Accuracies specified are for the 270-5 in a horizontal position.

 

General Specifications:

BATTERIES: 1.5V D, 9V (NEDA No. 13F1604A)
SIZE: 7"(H) x 5.5"(W) 3.1"(D) (18x14x8cm)
WEIGHT: Approximately 3 Lbs. (1.4 Kg)
FUSE: F1 1A, 250V, type 3AG, quick acting Littelfuse® Type 312001; 
          F2 2A, 600 Littelfuse® Type BLS or 2A 600V Bussman® Type BBS
CIRCUIT TO GROUND VOLTAGE: 1000V AC/DC Max

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