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Model 1550B Megohmmeter - Specifications

 
Technical Specifications

Test Voltage 250 Volts DC


 

Range:

200KΩ to 5GΩ

Accuracy:

5%

Range:

5GΩ to 50GΩ

Accuracy

20%

Test Voltage 500 Volts DC


 

Range:

200KΩ to 10GΩ

Accuracy:

5%

Range:

10GΩ to 100GΩ

Accuracy

20%

Test Voltage 1000 Volts DC


 

Range:

200KΩ to 20GΩ

Accuracy:

5%

Range:

20GΩ to 200GΩ

Accuracy

20%

Test Voltage 2500 Volts DC


 

Range:

200KΩ to 50GΩ

Accuracy:

5%

Range:

50GΩ to 500GΩ

Accuracy

20%

Test Voltage 5000 Volts DC


 

Range:

200KΩ to 100GΩ

Accuracy:

5%

Range:

100GΩ to 1 TΩ

Accuracy

20%

Short Circuit Current

> 1mA and < 2mA

Bar Graph

Range:

0 to 1 TΩ

Insulation Test Voltage

Accuracy:

0% to 10% at 1mA load current

Induced AC Mains Current Rejection

Maximum:

2mA

Charging Rate for Capacitive Load

5 s/µF

Leakage Current
 

Range:

1nA to 2mA

Accuracy:

±(5% + 2nA)

Capacitance Measurements
 

Range:

0.01µF to 15.00µF

Accuracy:

±(15% of reading + 0.03µF)

Live Circuit Indicator
 

Range:

30V to 600V (AC/DC, 50/60Hz)

Accuracy:

±(5% + 2V)

Timer

1 to 99 minutes

   

Settable:

1 minute increments

Indication:

1 second resolution

Ramp
 

0% to 100% of selected test voltage, or until breakdown.

 
 
Environmental Specifications

Operating Temperature

-20°C to +50°C  (-4°F to 122°F)

Storage Temperature

-20°C to +65°C  (-4°F to 149°F)

Humidity (without condensation)

80% at 31°C (87°F), 50% at 50°C (122°F)

Dust/Water Resistance

IP-40

Operating Altitude

2,000 meters

 
 
Safety

Safety Rating

EN 61010-1 CAT III 600V,
EN 61557 parts 1 and 2

EMI Immunity

EN 61326

 
 
General Specifications

Size

170mm (L) x 242 (W) x 330mm (H)

Weight

4 kg (with battery)

Batteries

12 volt lead-acid, rechargeable

Battery Life

Test Voltage Number of Tests
250V 4100
500V 3600
1000V 3200
2500V 2500
5000V 1500

Warranty

2 years

Shock and Vibration

MIL-PRF 28800F, Class II

Charger Input

85 Volts to 250 Volts AC 50/60Hz, 50VA

 


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Rapid-Tech Equipment
ABN 79 883 184 102
1300 Ferntree Gully Road. Scoresby. Victoria 3179
P.O. Box 4243 Knox City Centre. Victoria 3152

Phone: +61 3 9763 3299     Fax: +61 3 9753 2132