Fluke 1550C FC 5 kV Digital Insulation Tester

Key features

Quickly configure, start and stop tests remotely, a safe distance away from any operating, energized equipment, using Fluke Connect^® and a smart phone
Real time trending gives you easy-to-see visual cues
Report creation using Fluke Connect desktop saves time and makes test results easier to understand
Fluke Connect saves test results to the cloud for analysis and preventive maintenance

Download the product manual Download the data sheet

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Product overview: Fluke 1550C FC 5 kV Digital Insulation Tester

Data collection from insulation tests made easy

The Fluke 1550C performs digital insulation testing up to 5 kV, and makes data collection easy through the Fluke Connect™ wireless app. Remote operation lets you spend as little time as possible in potentially hazardous zones. Real-time trending shows a live graph on your phone, rather than a hard-to-read set of changing values. And you can create reports quickly, using pre-designed templates that you can customize with company logos. It’s the perfect tool for preventive or predictive maintenance programs designed to identify potential equipment failures before they occur. And it comes with a three-year warranty and CAT IV 600 V safety rating.

Other useful features

Automatic calculation of Dielectric Absorption (DAR) and Polarization Index (PI) with no additional setup
Guard system eliminates the effect of surface leakage current on high-resistance measurements
Selectable test voltages in 50 V steps from 250 V to 1000 V, and 100 V steps above 1000 V
CAT III 1000 V, CAT IV 600 V safety rating
Warning function alerts the user that line voltage is present and gives the voltage reading up to 600 V AC or DC for increased user safety
Measurements can be stored in up to 99 memory locations, with each location assigned a unique, user defined, label for easy recall
Long battery life gives the user over 750 tests between charges
Large digital/analog LCD for easy viewing
Capacitance and leakage current measurement
Ramp function for breakdown testing
Resistance measurements up to 2 TΩ
Timer settings up to 99 minutes for timed tests
3-year warranty

What's in the box:

Test Cables with Alligator Clips (red, black, green)
Infrared adapter with interface cable
AC Power Cord
Soft Carrying Case
Quick Reference Card
USB-IR Cable Installation Guide
Fluke Connect IR to Wireless Connector

Specifications: Fluke 1550C FC 5 kV Digital Insulation Tester

Electrical Specifications
The tester's accuracy is specified for one year after calibration at operating temperatures of 0°C to 35°C. For operating temperatures outside the range (-20°C to 0°C and 35°C to 50°C), add ± .25% per °C, except on the 20% bands add ± 1% per °C.
Insulation Resistance Measurement
Test voltage (DC)
250 V	Range	< 250 kΩ, 250 kΩ to 5 GΩ 5 GΩ to 50 GΩ > 50 GΩ
	Accuracy (± reading)	Unspecified 5% 20% Unspecified
500 V	Range	< 500 kΩ 500 kΩ to 10 GΩ 10 GΩ to 100 GΩ > 100 GΩ
	Accuracy (± reading)	Unspecified 5% 20% Unspecified
1000 V	Range	< 1 MΩ 1 MΩ to 20 GΩ 20 GΩ to 200 GΩ > 200 GΩ
	Accuracy (± reading)	Unspecified 5% 20% Unspecified
2500 V	Range	< 2.5 MΩ 2.5 MΩ to 50 GΩ 50 GΩ to 500 GΩ > 500 GΩ
	Accuracy (± reading)	Unspecified 5% 20% Unspecified
5000 V	Range	< 5 MΩ 5 MΩ to 100 GΩ 100 GΩ to 1 TΩ > 1 TΩ
	Accuracy (± reading)	Unspecified 5% 20% Unspecified
Bar graph range	0 to 1 TΩ (1550C) - 0 to 2 TΩ (1555)
Insulation test voltage accuracy	-0%, +10% at 1 mA load current
Induced AC mains current rejection	2 mA maximum
Charging rate for capacitive load	5 seconds per μF
Discharge rate for capacitive load	1.5 s/μF
Leakage current measurement	Range	1 nA to 2 mA
	Accuracy	± (5% + 2 nA)
Capacitance measurement	Range	0.01 μF to 15.00 μF
	Accuracy	± (15% rdg + 0.03 μF)
Timer	Range	0 to 99 minutes
	Resolution setting	1 minute
	Resolution indication	1 second
Live circuit warning	Warning range	30 V to 660 V AC/DC, 50/60 Hz
	Voltage accuracy	± (15% + 2 V)
Software specifications	FlukeView Forms™ basic software requires a PC running Windows XP, Windows Vista , Windows 7 or Windows 8.
General Specifications
Display	75 x 105 mm
Power	12 V lead-acid rechargeable battery, Yuasa NP2.8-12
Charger Input (AC)	85 V to 250 V AC 50/60 Hz 20 VA
This Class II (double insulated) instrument is supplied with a Class 1 (grounded) power cord. The protective earth terminal (ground pin) is not connected internally. The extra pin is for added plug retention only.
Dimensions	269 x 277 x 160 mm (10.6 x 10.9 x 6.3 in)
Weight	3.7 kg (8.2 lb)
Temperature (operating)	-20°C to 50°C (-4°F to 122°F)
Temperature (storage)	-20°C to 65°C (-4°F to 149°F)
Humidity	80% to 31°C decreasing linearly to 50% at 50°C
Altitude	2000 m
Enclosure sealing	IP40
Input overload protection	1000 V AC
Electromagnetic compatibility	EN 61326
Safety compliance	IEC 61010-1: Overvoltage category II, Pollution Degree 2. IEC 61010-2-030: Measurement 600V CAT IV / 1000V CAT III IEC 61557-1, IEC 61557-2