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Fluke 1651 Multifunction Installation Tester
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Quick Overview
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Safer, easier installation testing.
The 1650 Series testers verify the safety of electrical installations in domestic, commercial and industrial applications. They can ensure that fixed wiring is safe and correctly installed to meet the requirements of IEC 60364, HD 384 and all relevant local standards.
The unique ergonomic design, low weight, and padded neck-strap to free your hands, make operating a Fluke 1650 multifunction tester a pleasure. With easy-to-operate controls and a large display with exceptionally wide viewing angle, it’s also comfortable and safe to use.
The 1651 Performs all basic installation tests including continuity/insulation/loop impedance and RCD tripping time
Learn in minutes, test in seconds. Save time on every installation.
Features
- Simply turn the knob, press the button and see the results
- Measure loop impedance without tripping RCDs, eliminating the need to bypass them
- Withstands a one-meter drop for demanding field use.
- Slim probe with test button keeps your eyes on the panel while probing hard to reach points
- Compact and lightweight (less than 1.2 kg) for all day testing
- Meets all relevant standards including EN 61557 and VDE 0413
- The unique curved shape, ergonomic control layout and padded neck-strap ensure comfort in use.
General Specifications
| Measurement functions | Fluke 1651 |
|---|---|
| Voltage & Frequency | • |
| Wiring polarity checker | • |
| Insulation Resistance | 500, 1000 V |
| Continuity | • |
| Loop & Line Resistance | • |
| PFC/PSC (fault/short-circuit current) | • |
| RCD tripping time | • |
| Other features | |
| Self-test | • |
| EN 61557*/VDE 0413 compliant | • |
| Illuminated Display | • |
| Live voltage indicator | • |
| Battery indicator and battery test function | • |
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Technical Specification
AC Voltage Measurement
| Range | Resolution | Accuracy 50 Hz - 60 Hz | Input Impedance | Overload Protection |
|---|---|---|---|---|
| 500 V | 0,1 V | 0,8% + 3 | 3,3 MΩ; | 660 Vrms |
Continuity Testing
| Range (autoranging) | Resolution | Test Current | Open Circuit Voltage | Accuracy |
|---|---|---|---|---|
| 20 Ω; | 0,01 Ω; | > 200 mA | > 4 V | ± (1,5%+3 dgt.) |
| 200 Ω; | 0,1 Ω; | |||
| 2000 Ω; | 1 Ω; |
Insulation Resistance Measurement
| Model | Test Voltages | Accuracy of Test Voltage (at rated test current) |
|---|---|---|
| 1651 | 500 – 1000 V | +10%, -0% |
| 1652 | 250 - 500 - 1000 V | +10%, -0% |
| 1653 | 50 –100 - 250 - 500 - 1000 V | +10%, -0% |
| Test Voltage | Insulation | Resolution Resistance Range | Test Current | Accuracy |
|---|---|---|---|---|
| 50 V | 10 kΩ; to 50 MΩ; | 0,01 MΩ; | 1 mA @ 50 kΩ; | ± (3%+3 dgt.) |
| 100 V | 100 kΩ; to 20 MΩ; 20 MΩ; to 100 MΩ; | 0,01 MΩ; 0,1 MΩ; | 1 mA @ 100 kΩ; | ± (3%+3 dgt.) ± (3%+3 dgt.) |
| 250 V | 100 kΩ; to 200 MΩ; | 0,1 MΩ; | 1 mA @ 250 kΩ; | ± (1,5%+3 dgt.) |
| 500 V | 100 kΩ; to 200 MΩ; 200 MΩ; to 500 MΩ; | 0,1 MΩ; 1 MΩ; | 1 mA @ 500 kΩ; | ± (1,5%+3 dgt.) + 10% |
| 1000 V | 100 kΩ; to 200 MΩ; 200 MΩ; to 1000 MΩ; | 0,1 MΩ; 1 MΩ; | 1 mA @ 1 MΩ; | ± (1,5%+3 dgt.) + 10% |
| Auto Discharge | Discharge time constant, 0.5 second for C = 1 µF or less. |
| Live Circuit Detection | Inhibits test if terminal voltage > 30 V prior to initiation of test. |
| Maximum Capacitive Load | Operable with the 5 µF load |
Loop Impedance Measurement
| Measuring Range | 100 – 500 V AC (50/60 Hz) |
| Input connection (soft key selection) | Loop Impedance: phase to earth Line impedance: phase to neutral |
| Limit on consecutive tests | Automatic thermal shutdown after 50 consecutive tests at 10 second intervals (typical) |
| Range | Resolution | Accuracy |
|---|---|---|
| 20 Ω; | 0,01 Ω; | ± (3%+10 digits) |
| 200 Ω; | 0,1 Ω; | |
| 2000 Ω; | 1 Ω; |
PFC, PSC Test RCD Testing
| Computation | PFC or PSC determined by dividing measured mains voltage by measured loop (L-PE) resistance or line (L-N) resistance |
| Range | 0 to 10 kA |
| Resolution and Units | lk < 1000 A 1 A |
| lk = 1000 A 0.1 kA | |
| Accuracy | Determined by accuracy of loop resistance and mains voltage measurements. |
| RCD Type | Model 1651 |
|---|---|
| 1AC 2G | Ω; |
| AC 3S | Ω; |
| 1AC – Responds to AC 2G – General, no delay 3S – Time delay 4A – Responds to pulsed signal | |
Tripping Time Test (Ω;T)
| Current Settings | Multiplier | Current Accuracy |
|---|---|---|
| 10, 30, 100, 300, 500, 1000 mA | x 1/2 | +0% - 10% of test current |
| 10, 30, 100, 300, 500, 1000 mA | x 1 | +10% -0% |
| 10, 30 mA | x 5 | ±10% |
| Current Multiplier | *RCD Type | Measurement Range | Trip Time Accuracy | ||||
|---|---|---|---|---|---|---|---|
| Europe | UK | ||||||
| x 1/2 | G | 310 ms | 2000 ms | ±(1% Reading + 1 digit) | |||
| x 1/2 | S | 510 ms | 2000 ms | ±(1% Reading + 1 digit) | |||
| x 1 | G | 310 ms | 310 ms | ±(1% Reading + 1 digit) | |||
| x 1 | S | 510 ms | 510 ms | ±(1% Reading + 1 digit) | |||
| x 5 | G | 50 ms | 50 ms | ±(1% Reading + 1 digit) | |||
| x 5 | S | 160 ms | 160 ms | ±(1% Reading + 1 digit) | |||
| *G – General, no delay *S – Time delay | |||||||



