Description
Simpson 8455A Line Loop Tester

- Field Replaceable Switches
- Designed for Telecom Applications
- Wide Measuring Range
- Shorter Testing Time
- Rugged for Field Use
- Accurate, Finer Readings
DC voltage up to 100 volts and loop resistance to 2 megohms
Simpson’s Model 8455 Line Loop tester detects line shorts, opens and multiple ringers, DC voltages and loop resistance. It can measure DC voltage up to 100 volts and loop resistance to 2 mega ohms.
A front panel “reverse polarity” switch allows changing polarity positions quicker and easier than manually switching test leads when making line checks. This switch is field replaceable, enabling your loop tester to be operational at all times without costly shop repairs. The compact durable construction of this tester ensures continued accuracy even under the most rugged field conditions.
Resistance
| Model | Standard | Low Ohms | ||
| Range: | R x 1 | R ÷ 10 | Points | Low Ohms |
| Center Value: | 100K Ω | 10K Ω | 50 points | 500 Ω |
| Accuracy: | 2° of arc | 2° of full scale | 2° of arc | |
| Open Circuit Voltage (nom): | 45V | 45V | N/A | 1.2V |
| Short Circuit Current (nom): | 450 μA | 4.5mA | N/A | 2.4mA |
Product General Attributes | |
|---|---|
| Product Height | 4.25 IN |
| Product Length | 7.75 IN |
| Product Width | 6.00 IN |
| Shipping Height | 4.25 IN |
| Shipping Length | 7.75 IN |
| Shipping Width | 6.00 IN |


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