Fluke 1550C - Insulation Resistance Tester

Catalog: 3665021  |  UPC: 095969550918  |  Model: Fluke 1550C

Fluke 1550C

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Fluke 1550C Megohmmeter / Insulation Resistance Tester, 5kV, > 2 TΩ

  • Digital insulation testing up to 10 kV
  • Resistance measurements up to 2 TΩ
  • Automatic calculation of DAR and PI
  • Guard system eliminates surface leakage effects
  • Selectable test voltages: 250 V to 10 kV
  • Voltage breakdown detection up to 600 V
  • Capacitance and leakage current measurement
  • Ramp function for breakdown testing
  • Memory storage for up to 99 readings with labels
  • CAT III 1000 V, CAT IV 600 V safety rated
  • 3-year warranty

Description

The Fluke 1550C Insulation Resistance Tester delivers digital insulation testing up to 10 kV, making it suitable for high-voltage equipment including switchgear, motors, generators, and cables. With its rugged design and CAT IV 600 V safety rating, it supports predictive maintenance and troubleshooting programs.

It features automatic DAR and PI calculation, a ramp function for breakdown testing, and up to 99 memory locations for storing results with user-defined labels. The unit runs on a rechargeable 12 V battery, providing up to 750 tests per charge.

Applications: High-voltage insulation testing for industrial and utility equipment, preventative maintenance, and compliance with IEEE 43-2000 standards.

Manufacturer Specifications

Insulation Resistance Measurement
Test Voltages 250 V, 500 V, 1000 V, 2500 V, 5000 V, 10000 V
Resistance Range 200 kΩ to 2 TΩ (depending on voltage)
Accuracy ± 5% (main range), ± 20% (extended range)
Bar Graph Range 0 to 1 TΩ
Voltage Accuracy -0%, +10% at 1 mA load
Additional Measurements
Leakage Current 1 nA to 2 mA (± 5% + 2 nA)
Capacitance 0.01 μF to 15 μF (± 15%)
Timer 0 to 99 minutes
Live Circuit Warning 30 V to 660 V AC/DC
General Specifications
Display 75 × 105 mm LCD (digital + analog)
Power 12 V lead-acid rechargeable battery (Yuasa NP2.8-12)
Charger Input 85 V AC, 50/60 Hz, 20 VA
Operating Temperature -20 °C to 50 °C
Storage Temperature -20 °C to 65 °C
Humidity 80% RH at ≤ 31 °C, 50% RH at 50 °C
Altitude 2000 m
Safety Compliance CAT III 1000 V, CAT IV 600 V
IP Rating IP40
Dimensions 170 × 242 × 330 mm (6.7 × 9.5 × 13 in)
Weight 3.6 kg (7.94 lbs)

Tech Specs

Megohmmeter / Insulation Resistance Tester Template
IR Test Voltage 250 V, 500 V, 1000 V, 2500 V, 5000 V
Maximum Resistance 2 TΩ
Minimum Resistance 200 kΩ
Automated Test Results DAR, PI, Other
Variable Incremental Voltage Yes (50 V steps up to 1 kV, 100 V steps above)
Display Digital + Analog Bargraph
Continuity Test No
Live Circuit Detection Yes (30–660 V)
Timer Yes (up to 99 minutes)
CAT Rating CAT IV
CAT Voltage 600 V (CAT IV), 1000 V (CAT III)
Power Supply Rechargeable Battery

Test Equipment General Attributes

Unique Features Up to 99 memory storage, ramp test function, automatic DAR/PI, long battery life (750 tests), leakage current & capacitance measurement.
Warranty 3 Years
Safety Approval CSA
Interfaces I/O IR, USB
IP Rating IP40
Product Weight 7.94 lbs
Product Height 6.3 in
Product Length 10.6 in
Product Width 10.9 in
Data Logging Yes
Calibration None
Battery Type 12 V Lead-Acid
Power Supply 120/220 V AC Charger, Battery Powered
Country of Origin United States
UPC 095969550918

Fluke 1550C - Insulation Resistance Tester

Catalog: 3665021  |  UPC: 095969550918  |  Model: Fluke 1550C

Fluke 1550C

Compare

Fluke 1550C Megohmmeter / Insulation Resistance Tester, 5kV, > 2 TΩ

  • Digital insulation testing up to 10 kV
  • Resistance measurements up to 2 TΩ
  • Automatic calculation of DAR and PI
  • Guard system eliminates surface leakage effects
  • Selectable test voltages: 250 V to 10 kV
  • Voltage breakdown detection up to 600 V
  • Capacitance and leakage current measurement
  • Ramp function for breakdown testing
  • Memory storage for up to 99 readings with labels
  • CAT III 1000 V, CAT IV 600 V safety rated
  • 3-year warranty

Description

The Fluke 1550C Insulation Resistance Tester delivers digital insulation testing up to 10 kV, making it suitable for high-voltage equipment including switchgear, motors, generators, and cables. With its rugged design and CAT IV 600 V safety rating, it supports predictive maintenance and troubleshooting programs.

It features automatic DAR and PI calculation, a ramp function for breakdown testing, and up to 99 memory locations for storing results with user-defined labels. The unit runs on a rechargeable 12 V battery, providing up to 750 tests per charge.

Applications: High-voltage insulation testing for industrial and utility equipment, preventative maintenance, and compliance with IEEE 43-2000 standards.

Manufacturer Specifications

Insulation Resistance Measurement
Test Voltages 250 V, 500 V, 1000 V, 2500 V, 5000 V, 10000 V
Resistance Range 200 kΩ to 2 TΩ (depending on voltage)
Accuracy ± 5% (main range), ± 20% (extended range)
Bar Graph Range 0 to 1 TΩ
Voltage Accuracy -0%, +10% at 1 mA load
Additional Measurements
Leakage Current 1 nA to 2 mA (± 5% + 2 nA)
Capacitance 0.01 μF to 15 μF (± 15%)
Timer 0 to 99 minutes
Live Circuit Warning 30 V to 660 V AC/DC
General Specifications
Display 75 × 105 mm LCD (digital + analog)
Power 12 V lead-acid rechargeable battery (Yuasa NP2.8-12)
Charger Input 85 V AC, 50/60 Hz, 20 VA
Operating Temperature -20 °C to 50 °C
Storage Temperature -20 °C to 65 °C
Humidity 80% RH at ≤ 31 °C, 50% RH at 50 °C
Altitude 2000 m
Safety Compliance CAT III 1000 V, CAT IV 600 V
IP Rating IP40
Dimensions 170 × 242 × 330 mm (6.7 × 9.5 × 13 in)
Weight 3.6 kg (7.94 lbs)

Tech Specs

Megohmmeter / Insulation Resistance Tester Template
IR Test Voltage 250 V, 500 V, 1000 V, 2500 V, 5000 V
Maximum Resistance 2 TΩ
Minimum Resistance 200 kΩ
Automated Test Results DAR, PI, Other
Variable Incremental Voltage Yes (50 V steps up to 1 kV, 100 V steps above)
Display Digital + Analog Bargraph
Continuity Test No
Live Circuit Detection Yes (30–660 V)
Timer Yes (up to 99 minutes)
CAT Rating CAT IV
CAT Voltage 600 V (CAT IV), 1000 V (CAT III)
Power Supply Rechargeable Battery

Test Equipment General Attributes

Unique Features Up to 99 memory storage, ramp test function, automatic DAR/PI, long battery life (750 tests), leakage current & capacitance measurement.
Warranty 3 Years
Safety Approval CSA
Interfaces I/O IR, USB
IP Rating IP40
Product Weight 7.94 lbs
Product Height 6.3 in
Product Length 10.6 in
Product Width 10.9 in
Data Logging Yes
Calibration None
Battery Type 12 V Lead-Acid
Power Supply 120/220 V AC Charger, Battery Powered
Country of Origin United States
UPC 095969550918
Guardian Safety Supply by Guardian Safety Supply

Fluke 1550C Insulation Resistance Tester

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