The 1550B can be used for simple breakdown tests, timed tests, and spot checks. PC Interface software and measurement storage make it perfect for preventive maintenance. Alligator clips, probes and heavy duty leads fit nicely in the custom carrying case, giving you a rugged field testing kit.

1550B MegOhmMeter Digital Insulation Tester Includes

Low leakage probes and test leads
Alligator Clips
Cable and interface adapter
FlukeView software
Line cord
Soft carrying case with waterproof bottom
Users manual

1550B MegOhmMeter Digital Insulation Tester Features

Test voltages of 250, 500, 1000, 2500, and 5000 Volts
Capable of testing in 50 Volt increments between 250 and 1000 Volts, and 100 Volt increments between 1000 and 5000 Volts
Measures 0 to 1 Tera Ohms
Warning function alerts the technician that line voltage is present and reads voltage up to 600 Volts AC or DC
Guard system eliminates the effect of surface leakage current on high resistance measurements
Large digital/analog LCD shows detailed measurement data
Insulation or cable capacitance
Leakage current
Ramp function 0 to 5000 Volts DC for breakdown testing
Timer 1 to 99 minutes
Dielectric absorption and polarization index calculated automatically
99 memory locations to store measurements parameters
FlukeView Forms Basic Software with Optical Interface cable for download to a Windows PC
2 year warranty

Specifications

Test Voltage 250 V DC

Range:	200 kΩ to 5 GΩ
Accuracy:	5%
Range:	5 GΩ to 50 GΩ
Accuracy:	20%

Test Voltage 500 V DC

Range:	200 kΩ to 10 GΩ
Accuracy:	5%
Range:	10 GΩ to 100 GΩ
Accuracy:	20%

Test Voltage 1000 V DC

Range:	200 kΩ to 20 GΩ
Accuracy:	5%
Range:	20 GΩ to 200 GΩ
Accuracy:	20

Test Voltage 2500 V DC

Range:	200 kΩ to 50 GΩ
Accuracy:	5%
Range:	50 GΩ to 500 GΩ
Accuracy:	20%

Test Voltage 5000 V DC

Range:	200 kΩ to 100 GΩ
Accuracy:	5%
Range:	100 GΩ to 1 TΩ
Accuracy:	20%

Short circuit current

> 1 mA and < 2 mA

Bar graph

Range:

0 to 1 TΩ

Insulation test voltage

Accuracy:

0% to 10% at 1 mA load current

Induced AC mains current rejection

Max:

2 mA

Charging rate for capacitive load

5 s/�F

Leakage current

Range:	1 nA to 2 mA
Accuracy:	�(5% + 2 nA)

Capacitance measurements

Range:	0.01 �F to 15.00 �F
Accuracy:	�(15% rdg + 0.03 �F)

Live circuit indicator

Range:	30 V to 600 V (AC/DC, 50/60 Hz)
Accuracy:	�(5% + 2V)

Timer

	1 - 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 (87.8�F), 50% at 50 �C (122�F)

Dust/water resistance

IP-40

Operating Altitude

2,000 m

Safety Specifications

Safety Rating

EN 61010-1, CAT III 600V, EN61557, Parts 1 & 2

EMI immunity

EN 61326

Mechanical & General Specifications

Size

170mm x 242mm x 330 mm (6.7" x 9.5" x 13.0")

Weight

4 kg (with battery) (8.8 lbs)

Batteries

12 V, lead-acid, rechargeable

Warranty

2 years

Battery Life

Test voltage: Number of tests

250 V: 4100

500 V: 3600

1000 V: 3200

2500 V: 2500

5000 V: 1500

Shock & Vibration

MIL-PRF-28800F, Class II

Charger input

AC: 85 to 250 V AC, 50/60 Hz, 50 VA