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Simpson 270-5 Extra-High Accuracy VOM
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Simpson 270-5
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Features:
- DC V Accuracy 1.25% of Full Scale
- AC V Accuracy 2% of a Full Scale
- Resistance Accuracy 1.0of Arc
- Diode Protected Self-Shielded Movement
- Includes Batteries and Probe Leads With Alligator Clips
- 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
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Description
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Higher accuracy specifications for those more critical measurements are found in the Model 270-5. It has a better than 30% improvement in voltage and resistance accuracy as a full-function/range member of the Simpson 260 type VOM group.
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Models, Options, & Accessories
| Model |
Description |
List Price |
Sale Price |
| 270-5 |
270-5 ... VOM, HIGH ACCURACY (Item # 12226) |
$256.77 |
| $243.93 |  |
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| 270-5RT |
270-5RT . VOM, HI ACC, ROLL TOP (Item # 12227) |
$301.14 |
| $286.08 | |
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| Model |
Accessories |
List Price |
Sale Price |
| 00043 |
PROBE SET, THREADED W/CLIPS, REVRS |
$19.32 |
| $18.36 | |
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| 00425 |
CLIP SET, ALLIGATOR, SCREW-ON |
$4.48 |
| $4.26 | |
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| 00545 |
150-2 AC CLAMP ADAPT, VOM, REVERSE |
$129.76 |
| $123.27 | |
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| 45028 |
UL CASE, MOLDED PLASTIC, 260 |
$81.93 |
| $77.84 | |
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| 00832 |
CASE, POLYESTER PADDED, YELLOW,260 |
$60.91 |
| $57.86 | |
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| 00834 |
CASE, POLYESTER PADDED, BLACK, 260 |
$60.91 |
| $57.86 | |
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| 00805 |
CASE, FRONT LOAD, 260 |
$76.21 |
| $72.40 | |
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| 00248 |
CASE, ROLL-TOP, 260 |
$63.37 |
| $60.21 | |
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Specifications
| DC VOLTAGE |
| Ranges |
250mV, 1V, 2.5V, 10V, 50V, 250V, 500V,1000V |
| Accuracy |
1.25% of full scale @ 77°F, 1.75% of full scale @ 67-87°F |
| Sensitivity |
20KΩ per volt |
| AC VOLTAGE |
| Ranges |
2.5V, 10V, 50V, 250V, 500V, 1000V |
| Accuracy |
2% of full scale @ 77°F, 3% of full scale @ 67-87°F |
| Sensitivity |
5KΩ per volt |
| DECIBEL |
| 5 Ranges |
-20 to +50dB |
| Reference |
0dB= 1mW into 600Ω |
| DC CURRENT |
| Ranges |
50μA, 1mA,10mA, 100mA, 500mA, 10A |
| Accuracy |
0.75% of full scale on 50μA @77°F, 1.25% full scale of all others @77°F, 1.25% of full scale on 50μA @ 67-87°F, 1.75% of full scale of all others @ 67-87°F |
| Voltage Drop: (Nominal) |
250mV On 50μA and 1mA, 255mV On 10mA anmd 10A, 300mV On 100 mA, 500mV On 500mA |
| RESISTANCE |
| Ranges |
Rx 1, Rx 100, Rx 10K |
| Accuracy |
1.5° of arc on Rx1, 1.0° of arc on other |
| Maximum Indication |
0-2KΩ, 0-200Ω, 0-20MΩ |
| General Specifications |
| Batteries |
1.5V AA, 9V (NEDA No. 13F,1604A) |
| Fuse |
F1 1A, 250V, type 3AG, quick acting Littelfuse® Type 312001; F2 2A, 600V Littelfuse® Type BLS or 2A 600V, Bussman® Type BBS. |
| Size |
7”(H) x 5.5”(W) 3.1”(D) (18x14x8cm) |
| Weight |
Approximately 3LBS. (1.4Kg) |
| Rated Circuit-To-Ground Voltage |
1000V AC/DC Max |
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