Fluke 1550C Insulation Tester, 250V Min, 5000V Max, 1TΩ Max, CAT III 1000V

RS Stock No.:: 705-1951
Mfr. Part No.:: FLUKE 1550C/KIT
Brand:: Fluke

Fluke 1550C Insulation Tester, 250V Min, 5000V Max, 1TΩ Max, CAT III 1000V

Subtotal (1 unit)*

£5,358.05

(exc. VAT)

£6,429.66

(inc. VAT)

FREE delivery for orders over £50.00

Temporarily out of stock

Shipping from 22 December 2025

Need more? Click ‘Check delivery dates’ to find extra stock and lead times.

Units	Per unit
1 +	£5,358.05

*price indicative

Browse here for all your Insulation Tester Accessories, including crocodile clips, cases, probes, and leads.

Shop Now

RS Stock No.:: 705-1951
Mfr. Part No.:: FLUKE 1550C/KIT
Brand:: Fluke

Specifications

Technical Reference

Legislation and Compliance

Product Details

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	Fluke
	Model Number p	1550C
	Tester Type	Insulation Tester
	Maximum Test Voltage	5000V
	Minimum Test Voltage	250V
	Maximum Insulation Resistance Measurement	1TΩ
	Display Type	LCD
	Test Current	1 nA → 2 mA
	Battery Life	750 Tests
	Power Source	Battery
	Battery Type	Rechargeable Lead Acid (Yuasa NP2.8-12)
	Minimum Operating Temperature	-20°C
	Maximum Operating Temperature	+50°C
	Safety Category	CAT III 1000 V, CAT IV 600V
	Safety Category Level	CAT III, CAT IV
	Safety Category Voltage	600 V, 1000 V
	Length	277mm
	Plug Type	Type G - British 3-pin
	Dimensions	277 x 269 x 160mm
	Weight	3.7kg
	Width	269mm
	Height	160mm

	Select all
	Brand Fluke
	Model Number p 1550C
	Tester Type Insulation Tester
	Maximum Test Voltage 5000V
	Minimum Test Voltage 250V
	Maximum Insulation Resistance Measurement 1TΩ
	Display Type LCD
	Test Current 1 nA → 2 mA
	Battery Life 750 Tests
	Power Source Battery
	Battery Type Rechargeable Lead Acid (Yuasa NP2.8-12)
	Minimum Operating Temperature -20°C
	Maximum Operating Temperature +50°C
	Safety Category CAT III 1000 V, CAT IV 600V
	Safety Category Level CAT III, CAT IV
	Safety Category Voltage 600 V, 1000 V
	Length 277mm
	Plug Type Type G - British 3-pin
	Dimensions 277 x 269 x 160mm
	Weight 3.7kg
	Width 269mm
	Height 160mm

COO (Country of Origin):: US

Fluke 1550, 1555 5kV and 10kV Insulation Tester

High voltage insulation tester ideal for testing high voltage equipment including switchgear, motors, generators and cables.
Meets requirements of IEEE 43-2000
Capacitance and leakage current measurement
Resistance measurements up to 2TΩ (Fluke 1555)
Ramp function for breakdown testing
Voltage breakdown detection alerts and voltage reading up to 600 V ac or dc for increased user safety
99 measurements storage and recall and PC interface
Automatic calculation of Dielectric Absorption (DAR) and Polarization Index (PI)
Timer settings up to 99 minutes for timed tests
Guard system eliminates the effect of surface leakage current on high-resistance measurements
Large LCD display with analogue bargraph
Long life lead acid battery with over 750 tests between charges
EN 61010 safety rating CAT IV 1000 V, CAT III 1000 V

Supplied with

Test cables & crocodile clips, infrared USB adaptor, AC power cord, 12V lead acid battery (fitted), FlukeView Forms Basic Software, user manual on CD-ROM, soft carrying case (Fluke 1555 only)
Fluke 1550 & 1555 kits include: IP67 hard case, NIST traceable certificate of calibration and additional ruggedized crocodile clips

Fluke Insulation Tester

The Fluke 1T ohm electrical insulation tester is a perfect tool for preventive or predictive maintenance programs. It is designed to identify potential equipment failures before they occur. Remote operation lets you spend as little time as possible in potentially hazardous zones. It is a high voltage insulation tester, ideal for testing high voltage equipment including switchgear, motors, generators and cables. The testing voltage ranges between 250V and 5000V. This device is Rechargeable Lead Acid (Yuasa NP2.8-12) battery-powered. The kit includes a hard case, NIST traceable certificate of calibration and additional ruggedized crocodile clips.

Supplied with Test cables & crocodile clips, infrared USB adaptor, AC power cord, 12V lead acid battery (fitted), FlukeView Forms Basic Software, user manual on CD-ROM.
Fluke 1550 & 1555 kits include case, NIST traceable certificate of calibration and additional ruggedized crocodile clips.

Features and Benefits

99 measurements storage and recall and PC interface
Automatic calculation of Dielectric Absorption (DAR) and Polarization Index (PI)
Capacitance and leakage current measurement
Guard system eliminates the effect of surface leakage current on high resistance measurements
Large LCD display with analogue bar graph
Long life lead acid battery with over 750 tests between charges
Ramp function for breakdown testing
Timer settings up to 99 minutes for timed tests
Voltage breakdown detection alerts and voltage reading up to 600VAC or DC for increased user safety

Certifications

CAT III 1000V
CAT IV 1000V
CE certified
CSA certified
EN 61010 safety rating
IEEE 43-2000
IP40 rated

1550C/KIT 705-1951
Test cables with alligator clips (red, black, green)
AC power cord
Hard Case
English manual
Quick reference card
Software FVF-884X, FLUKEVIEW FORMS - BASIC FOR 8845/8846
Heavy duty alligator clip leads
Certificate of Calibration