The Fluke 1577 Insulation Multimeter combines a digital insulation tester with a full-featured, true RMS digital multimeter in a single, compact, handheld unit, which provides maximum versatility for both troubleshooting and preventative maintenance.
Whether you work on motors, generators, cables, or switch gear, this multimeter is ideally suited to help you with your tasks and at a cost that is far less than buying the two products.
- Large display with backlight
- Insulation test
- Insulation test voltages for many applications
- Live circuit detection
- Auto-discharge of capacitive voltage
- AC/DC voltage, DC milliVolts, AC/DC milliamps, resistance (W), continuity
- Auto power off to save battery power
- CAT III 1000V, CAT IV 600V measurement category
| Type |
Insulation tester |
| Automatic circuit breaker |
false |
| Bluetooth interface |
false |
| Cable length measurement |
false |
| Cable symmetry testing for two wire connections a-b-E |
false |
| Calibration according to ISO/IEC 17025 |
N/A |
| Calibration certificate according to DAkkS |
N/A |
| Capacitance Measurement |
false |
| Clip factors for current sensor |
N/A |
| Clip factors for current transformer |
N/A |
| COFRAC certified |
N/A |
| Continuity test |
true |
| Current supply |
Battery |
| Data hold |
true |
| Degree of protection (IP) |
IP40 |
| Display |
LCD |
| Duty cycle measurements |
false |
| Explosion-tested version |
false |
| Frequency measurement |
false |
| Harmonics analysis/power quality |
false |
| High voltage test for motor windings |
false |
| Indication |
Digital |
| Inductance measurement |
false |
| Insulation |
test |
| Interface |
false |
| IR interface |
false |
| Isolation resistance measuring range |
0.1 - 600MOhm |
| Lowest resolution temperature |
N/A |
| Lowest resolution, AC current |
10 µA |
| Lowest resolution, AC voltage |
0.1 mV |
| Lowest resolution, AC/DC current |
N/A |
| Lowest resolution, AC/DC voltage |
N/A |
| Lowest resolution, capacitance |
N/A |
| Lowest resolution, DC current |
10 µA |
| Lowest resolution, DC voltage |
0.1 mV |
| Lowest resolution, frequency |
N/A |
| Lowest resolution, resistance |
0.1 Ohm |
| Max. capacitance measuring range |
N/A |
| Max. current measuring range with clip factor |
N/A |
| Max. current measuring range, AC |
0.4A |
| Max. current measuring range, AC/DC |
N/A |
| Max. current measuring range, DC |
0.4A |
| Max. frequency measuring range |
N/A |
| Max. resistance measuring range |
50MOhm |
| Max. temperature measuring range |
N/A |
| Max. value storage |
false |
| Max. voltage measuring circuit category |
600V |
| Max. voltage measuring range AC |
1000V |
| Max. voltage measuring range AC/DC |
N/A |
| Max. voltage measuring range DC |
1000V |
| Measured value memory |
false |
| Measurement principle |
N/A |
| Measuring circuit category |
CAT IV |
| Measuring range selection |
Manual/automatic |
| Milliohm measurement with 4 wire technique (Kelvin connection) |
false |
| Min. value storage |
false |
| Multiple display |
true |
| Nominal test voltage 10 V |
false |
| Nominal test voltage 100 V |
false |
| Nominal test voltage 1000 V |
true |
| Nominal test voltage 250 V |
false |
| Nominal test voltage 50 V |
false |
| Nominal test voltage 500 V |
true |
| Peak value memory |
false |
| Power and energy measurement |
false |
| Relative measurement accuracy |
N/A |
| Relative value measurement |
false |
| Resistance test/diode test |
false |
| Rotational speed measuring |
false |
| Scaling bar graph linear |
false |
| Scaling bar graph logarithmic |
false |
| Temperature measurement |
false |
| Temperature measurement RTD |
false |
| Temperature measurement TC |
false |
| Testing Type |
Multifunction detector |
| True RMS measurement |
true |
| With conductivity measurement |
false |
| With decibel measurement (dB) |
false |
| With display backlight |
true |