Fluke 1550C Insulation Tester, 250 V Min, 5000 V Max CAT IV, CAT III

RS Stock No.:: 705-1957
Mfr. Part No.:: FLUKE 1550C
Manufacturer:: Fluke

Fluke 1550C Insulation Tester, 250 V Min, 5000 V Max CAT IV, CAT III

Subtotal (1 unit)*

€6,375.00

(exc. VAT)

€7,841.25

(inc. VAT)

In Stock

Plus 4 unit(s) shipping from 23 March 2026

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

Units	Per unit
1 +	€6,375.00

*price indicative

RS Stock No.:: 705-1957
Mfr. Part No.:: FLUKE 1550C
Manufacturer:: Fluke

Specifications

Technical data sheets

Legislation and Compliance

Product Details

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	Fluke
	Model Number	1550C
	Product Type	Insulation Tester
	Tester Type	Insulation Tester
	Maximum Test Voltage	5000V
	Minimum Test Voltage	250V
	Display Type	LCD
	Test Current	2000000nA
	Battery Type	Rechargeable Lead Acid (Yuasa NP2.8-12)
	Power Source	Battery
	Minimum Operating Temperature	-20°C
	Maximum Operating Temperature	50°C
	Safety Category Level	CAT IV, CAT III
	Safety Category Voltage	1000V
	Standards/Approvals	CE, CSA
	Length	277mm
	Height	160mm
	Weight	3.7kg

	Select all
	Brand Fluke
	Model Number 1550C
	Product Type Insulation Tester
	Tester Type Insulation Tester
	Maximum Test Voltage 5000V
	Minimum Test Voltage 250V
	Display Type LCD
	Test Current 2000000nA
	Battery Type Rechargeable Lead Acid (Yuasa NP2.8-12)
	Power Source Battery
	Minimum Operating Temperature -20°C
	Maximum Operating Temperature 50°C
	Safety Category Level CAT IV, CAT III
	Safety Category Voltage 1000V
	Standards/Approvals CE, CSA
	Length 277mm
	Height 160mm
	Weight 3.7kg

COO (Country of Origin):: US

Fluke Insulation Tester, 5 MΩ to 1 TΩ Insulation Testing Resistance, 5000V Maximum Test Voltage - FLUKE 1550C

This insulation tester is a portable instrument for assessing insulation resistance on high-voltage plant and machinery. It is designed for field maintenance and diagnostic work on switchgear, motors, generators and cables, enabling technicians in automation, electrical, electronics and mechanical environments to perform timed, ramp and leakage tests at controlled DC voltages.

Features & Benefits

• Selectable test voltages from 250V to 5000V for varied assets
• Insulation resistance range to 1TΩ for high‑resistance detection
• Test current capability up to 2,000,000nA for accurate leakage readings
• Rechargeable lead‑acid power for extended field use between charges
• CAT IV 600V CAT III 1000V rating for enhanced on-site safety
• Large LCD with analogue bar graph for clear trend visualisation

Applications

• Suitable for preventive maintenance of switchgear and transformers
• Ideal for commissioning and fault diagnosis on medium‑voltage motors
• Used for insulation assessment on long cable runs and accessories
• Can be used for generator insulation health trending and reporting

What power source does it use for mobile operation

It runs from a 12V lead‑acid rechargeable battery, enabling multiple test cycles before recharging.

How does it handle capacitance and discharge requirements

It measures capacitance up to 15.00μF and provides controlled charge/discharge rates for capacitive loads.

How are results recorded and shared on site

Measurements can be stored locally and transmitted via an infrared connector to a mobile app for wireless logging and trending.

What environmental limits affect on-site performance

Operable between -20°C and 50°C with humidity limits that reduce from 80% at 31°C to 50% at 50°C.

What certifications and protection levels does it meet

It carries CE and CSA approvals and an IP40 enclosure rating suitable for industrial environments.

1550C 705-1957
Test cables with alligator clips (red, black, green)
AC poer cord
Soft carrying case
English manual
Quick reference card

Software FVF-884X, FLUKEVIEW FORMS - BASIC FOR 8845/8846