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Simpson 270 Series 5 High Accuracy Volt-Ohm-Milliammeter
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Item Number: 1222
Manufacturer: Simpson
Part Number: 1222
Product Options
* denotes required field
Simpson 270-5 VOM Model Options*
NIST Traceable Calibration Certificate*
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Simpson 270 Series 5 High Accuracy Volt-Ohm-Milliammeter
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 rolltop carrying case.
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
Technical Specifications:
DC Voltage:
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Ranges |
Accuracy* |
Voltage Drop (Nominal) |
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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:
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Ranges |
Accuracy* |
Voltage Drop (Nominal) |
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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:
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Ranges |
Accuracy* |
Max. Indication |
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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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