Fluke 1587/1577 Insulation Multimeters
Feature 1587 1577
Insulation test voltages 50V, 100V, 250V, 500V, 1000V •  
Insulation test voltages 500V, 1000V   •
Insulation test: 0.01 MΩ to 2.0 GΩ •  
Insulation test: 0.1 MΩ to 600 MΩ   •
Auto discharge of capacitive voltage • •
Insulation test smoothing reading •  
Frequency •  
Capacitance •  
Diode test •  
Temperature •  
Min/Max •  
Low pass filter (for work on VSD's) •  
AC/DC Voltage • •
DC millivolts • •
AC/DC milliamps • •
Resistance (0.1 Ω to 50 MΩ) • •
Continuity • •
Three-year warranty • •
Remote probe, test leads, alligator clips • •
K-type thermocouple •  
Rugged, utility hard case • •
Auto power off to save battery power • •
True-rms • •
Large display with backlight • •
Live circuit detection prevents insulation test if voltage > 30 V is detected for added user protection • •
CAT III 100V, CAT IV 600V measurement category • •
Accepts optional Fluke TPAKTM magnetic hanging system to free your hands for other work • •
 
Fluke 1587/1577 Insulation Multimeters

Specifications
Voltage DC
Maximum Voltage: 1000 V
Accuracy: 1577: ±(0.2%+2)
1587: ±(0.09%+2)
Maximum Resolution: 0.001V
Voltage AC
Maximum Voltage: 1000 V
Accuracy: 1577: ±(2%+3)
1587: ±(2%+3)
AC Bandwidth: 1587: 5kHz*
*with low pass filter; 3db @ 800 Hz
Maximum Resolution: 0.1 mV
Current DC
Maximum Amps: 400mA
Amps Accuracy: 1577: ±(1.0%+2)
1587: ±(0.2%+2)
Maximum Resolution: 0.01 mA
Current AC
Maximum Amps: 400mA
Amps Accuracy: 1577: ±(2.0%+2)*
1587: ±(1.5%+2)*
* 1kHz bandwidth
Maximum Resolution: 0.01 mA
Resistance
Maximum Resistance: 50 MΩ
Accuracy: 1577: ±(1.2%+2)
1587: ±(0.9%+2)
Maximum Resolution: 0.1Ω
Capacitance(1587 only)
Maximum Capacitance: 9,999 µF
Accuracy: ±(1.2%+2)
Maximum Resolution: 1 nF
Frequency (1587 only)
Maximum Frequency: 100 kHz
Accuracy: ±(0.1%+1)
Maximum Resolution: 0.01 Hz
Temperature Measurement (1587 only)
-40.0 °C to 537 °C
-40.0 °F to 998 °F
excluding probe
Diode Test (1587 only)
Range: 6 V
Resolution: 1 mV
Accuracy: ±(2 % + 1)

Insulation Test
Minimum Test Current @ 1kΩ/V:
1mA
Test Voltages:
1577: 500, 1000 V
1587: 50, 100, 250, 500, 1000 V
Maximum Resistance per Test Voltage:
50V:
100V:
250V:
500V:
1000V: 1577: 600 MΩ
1587: 2 GΩ
Maximum Resolution per Test Voltage:
50V: 0.01 MΩ
100V: 0.01 MΩ
250V: 0.1 MΩ
500V: 0.1 MΩ
1000V: 0.1 MΩ
Accuracy per Test Voltage:
50V: ±(3 % + 5)
100V: ±(3 % + 5)
250V: ±(1.5 % + 5)
500V: 1577: ±(2.0 % + 5)
1587: ±(1.5 % + 5)
1000V: 1577: ±(2.0 % + 5)
1587: ±(1.5 % + 5) to 600 MΩ, ±(10 % + 3) above 600 MΩ

Environmental Specifications
Operating temperature
–20 °C to +55 °C
Storage temperature
-40°C to +60°C
Humidity (Without Condensation)
0% - 95% (10 °C – 30 °C)
0% - 75% (30 °C – 40 °C)
0% - 40% (40 °C – 55 °C)
Operating Altitude
2000 m

Safety Specifications
Overvoltage category
Complies with ANSI/ISA 82.02.01 (61010-1) 2004, CAN/CSA-C22.2 NO. 61010-1-04, and IEC/EN 61010-1 2nd Edition for measurement CAT III 1000 V and CAT IV 600 V
Agency Approvals
2000 m CAT III 1000 V, CAT IV 600 V; 3000 m CAT II 1000 V, CAT III 600 V

Mechanical & General Specifications
Size
203 x 100 x 50 mm (with holster)
Weight
624 g
Warranty
3 years
Battery life Alkaline
Meter use: 1000 hours
Insulation test use: Meter can perform at least 1000 insulation tests with fresh alkaline batteries at room temperature. These are standard tests of 1000 V into 1 MΩ with a duty cycle of 5 seconds on and 25 seconds off.
IP Rating
IP40