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The Fluke GFL-1500 Solar Ground Fault Locator is a frontline troubleshooting tool that helps technicians quickly pinpoint active ground faults in solar photovoltaic (PV) systems. It works by producing a traceable signal in the array, allowing for fast, intuitive, non-contact tracing directly to the fault location.
The Fluke GFL-1500 Solar Ground Fault Locator is a frontline troubleshooting tool that helps technicians quickly pinpoint active ground faults in solar photovoltaic (PV) systems. It works by producing a traceable signal in the array, allowing for fast, intuitive, non-contact tracing directly to the fault location.
This innovative to fault location approach eliminates the frustration of time-consuming, brute-force troubleshooting and reduces unnecessary exposure to electrical hazards.
The GFL-1500 Ground Fault Locator is a three-piece troubleshooting system designed to optimize technician workflow in the field, enabling faster and more confident fault resolution. This gives site managers greater assurance in system performance and uptime. The GFL-1500 system consists of the GFL-1500 Transmitter, GFL-1500 Receiver, and GFL-1500 Signal Tracing Clamp.
Revolutionize Fault Location, Maximize Solar Production
Features
End-to-end troubleshooting solution:
Reduce troubleshooting time:
Work safely:
Precision Solar Ground Fault Detection
Applications
| General (Transmitter) | |
| Measurement Category | CAT III 1500 V DC / CAT IV 600 V |
| Operating Voltage | 1500 V DC / 600 V AC |
| Trace Signal Operating Frequency | FAULT & MAP: 6.25 kHz OPEN: 32.764 kHz |
| Trace Signal Indications | Graphical display, audible beep |
| Trace Signal Current Output (Typical) | FAULT & MAP: Array HIGH mode: 30 mA RMS Array LOW mode: 6 mA RMS Unit HIGH mode: 120 mA RMS OPEN: Unit HIGH mode: 100 mA RMS Unit LOW mode: 30 mA RMS |
| Trace Signal Voltage Output - Open Circuit (Typical) | FAULT & MAP: Unit HIGH mode: 30 V RMS OPEN: Unit HIGH mode: 30 V RMS Unit LOW mode: 25 V RMS |
| Voltage Range / Resolution (ANALYZE) | Range: 0-1500 V DC Resolution: 1 V No voltage measurement if high capacitance & resistance detected |
| Resistance Ranges (ANALYZE) | ~ <5 kΩ (FAULT) ~ 10 kΩ (FAULT) ~ 50 kΩ ~ 100 kΩ ~ 500 kΩ ~ >1 MΩ No resistance range if high capacitance & resistance detected |
| General (Receiver) | |
| Measurement Category | CAT III 1500 V DC / CAT IV 600 V |
| Operating Voltage | 1500 V DC / 600 V AC |
| Trace Signal Operating Frequency | FAULT & MAP: 6.25 kHz OPEN: 32.764 kHz |
| Trace Signal Indications | Numeric, bar graph display, audible beep, LED |
| Range Detection (Typical) | FAULT & MAP: Array Mode Max distance via air: 4.75 m (15.6') FAULT & MAP: Unit Mode Max distance via air: 5.9 m (19.4') OPEN: Unit Mode Max (open air): 2.7 m (8.9') |
| General (Clamp) | |
| Measurement Category | Not category rated. Use on insulated conductors only, up to 1500 V |
| Operating Voltage | Non-contact. Use on insulated conductors only, up to 1500 V |
| Trace Signal Indications | AC current |
| AC Current Measurement (Clamp) | |
| Range | 150 mA |
| Resolution | 0.1 mA |
| Maximum Conductor Diameter | 61 mm (2.4") |
| Display (Transmitter) | |
| Display Type | Graphic LCD Display |
| Illumination | Front Light |
| Display (Receiver) | |
| Display Type | Graphic LCD Display |
| Illumination | Front Light |
| Display (Clamp) | |
| Display Type | Segment LCD Display |
| Illumination | Back Light |
| Environmental Specifications (Transmitter) | |
| Operating Temperature | -20 to 50°C (-4 to 122°F) |
| Operating Humidity (Non-Condensing) | 95 %RH: 0 to <30°C (32 to <86°F) 75 %RH: 30 to <40°C (86 to <104°F) 45 %RH: 40 to 50°C (104 to 122°F) |
| Storage Temperature and Humidity (without batteries) | -20 to 70°C (-4 to 158°F), <95 %RH |
| Transient Protection | 10.00 kV (1.2/50 μS surge) |
| IP Rating | IP54 (Non-operating) |
| Environmental Specifications (Receiver) | |
| Operating Temperature | -20 to 50°C (-4 to 122°F) |
| Operating Humidity (Non-Condensing) | 95 %RH: 0 to <30°C (32 to <86°F) 75 %RH: 30 to <40°C (86 to <104°F) 45 %RH: 40 to 50°C (104 to 122°F) |
| Operating Altitude | 0 to 3000 m (9843') |
| Storage Altitude | 0 to 12,000 m (39,371') |
| Storage Temperature and Humidity (without batteries) | -20 to 70°C (-4 to 158°F), <95 %RH |
| Pollution Degree | 2 |
| IP Rating | IP54 |
| Drop Test | 1 m (3.28') |
| Environmental Specifications (Clamp) | |
| Operating Temperature | -10 to 50°C (14 to 122°F) |
| Operating Humidity (Non-Condensing) | 90 %RH: 10 to <30°C (50 to <86°F) 75 %RH: 30 to <40°C (86 to <104°F) 45 %RH: 40 to 50°C (104 to 122°F) |
| Storage Temperature and Humidity (without batteries) | -40 to 60°C (-40 to 140°F), <95 %RH |
| IP Rating | IP30 (Jaw Closed) |
| Mechanical and General Specifications (Transmitter) | |
| Power Supply | 8 x AA IEC LR6 alkaline or NiMH rechargeable |
| Battery Life (typical) - No Buzzer or Front Light | FAULT & MAP Array Mode: approx. 15 h FAULT & MAP Unit Mode: approx. 8 h OPEN Unit Mode: approx. 15 h |
| Dimensions | 244 x 180 x 106 mm (9.6 x 7.0 x 4.2") |
| Weight | 2.04 kg (4.5 lb) |
| Mechanical and General Specifications (Receiver) | |
| Power Supply | 4 x AA IEC LR6 alkaline or NiMH rechargeable |
| Battery Life (typical) - No Buzzer or Front Light | Approximately 16 hours |
| Low Battery Indication | Yes |
| Dimensions | 183 x 75 x 43 mm (7.2 x 2.95 x 1.69") |
| Weight | 0.27 kg (0.6 lb) |
| Mechanical and General Specifications (Clamp) | |
| Power Supply | 2 x AA IEC LR6 alkaline |
| Battery Life (typical) - No Buzzer or Front Light | > 150 hours (without backlight and spotlight) |
| Dimensions | 257 x 116 x 46 mm (10.1 x 4.6 x 1.8") |
| Weight | 0.6 kg (1.32 lb) |
| General (Transmitter) | |
| Measurement Category | CAT III 1500 V DC / CAT IV 600 V |
| Operating Voltage | 1500 V DC / 600 V AC |
| Trace Signal Operating Frequency | FAULT & MAP: 6.25 kHz OPEN: 32.764 kHz |
| Trace Signal Indications | Graphical display, audible beep |
| Trace Signal Current Output (Typical) | FAULT & MAP: Array HIGH mode: 30 mA RMS Array LOW mode: 6 mA RMS Unit HIGH mode: 120 mA RMS OPEN: Unit HIGH mode: 100 mA RMS Unit LOW mode: 30 mA RMS |
| Trace Signal Voltage Output - Open Circuit (Typical) | FAULT & MAP: Unit HIGH mode: 30 V RMS OPEN: Unit HIGH mode: 30 V RMS Unit LOW mode: 25 V RMS |
| Voltage Range / Resolution (ANALYZE) | Range: 0-1500 V DC Resolution: 1 V No voltage measurement if high capacitance & resistance detected |
| Resistance Ranges (ANALYZE) | ~ <5 kΩ (FAULT) ~ 10 kΩ (FAULT) ~ 50 kΩ ~ 100 kΩ ~ 500 kΩ ~ >1 MΩ No resistance range if high capacitance & resistance detected |
| General (Receiver) | |
| Measurement Category | CAT III 1500 V DC / CAT IV 600 V |
| Operating Voltage | 1500 V DC / 600 V AC |
| Trace Signal Operating Frequency | FAULT & MAP: 6.25 kHz OPEN: 32.764 kHz |
| Trace Signal Indications | Numeric, bar graph display, audible beep, LED |
| Range Detection (Typical) | FAULT & MAP: Array Mode Max distance via air: 4.75 m (15.6') FAULT & MAP: Unit Mode Max distance via air: 5.9 m (19.4') OPEN: Unit Mode Max (open air): 2.7 m (8.9') |
| General (Clamp) | |
| Measurement Category | Not category rated. Use on insulated conductors only, up to 1500 V |
| Operating Voltage | Non-contact. Use on insulated conductors only, up to 1500 V |
| Trace Signal Indications | AC current |
| AC Current Measurement (Clamp) | |
| Range | 150 mA |
| Resolution | 0.1 mA |
| Maximum Conductor Diameter | 61 mm (2.4") |
| Display (Transmitter) | |
| Display Type | Graphic LCD Display |
| Illumination | Front Light |
| Display (Receiver) | |
| Display Type | Graphic LCD Display |
| Illumination | Front Light |
| Display (Clamp) | |
| Display Type | Segment LCD Display |
| Illumination | Back Light |
| Environmental Specifications (Transmitter) | |
| Operating Temperature | -20 to 50°C (-4 to 122°F) |
| Operating Humidity (Non-Condensing) | 95 %RH: 0 to <30°C (32 to <86°F) 75 %RH: 30 to <40°C (86 to <104°F) 45 %RH: 40 to 50°C (104 to 122°F) |
| Storage Temperature and Humidity (without batteries) | -20 to 70°C (-4 to 158°F), <95 %RH |
| Transient Protection | 10.00 kV (1.2/50 μS surge) |
| IP Rating | IP54 (Non-operating) |
| Environmental Specifications (Receiver) | |
| Operating Temperature | -20 to 50°C (-4 to 122°F) |
| Operating Humidity (Non-Condensing) | 95 %RH: 0 to <30°C (32 to <86°F) 75 %RH: 30 to <40°C (86 to <104°F) 45 %RH: 40 to 50°C (104 to 122°F) |
| Operating Altitude | 0 to 3000 m (9843') |
| Storage Altitude | 0 to 12,000 m (39,371') |
| Storage Temperature and Humidity (without batteries) | -20 to 70°C (-4 to 158°F), <95 %RH |
| Pollution Degree | 2 |
| IP Rating | IP54 |
| Drop Test | 1 m (3.28') |
| Environmental Specifications (Clamp) | |
| Operating Temperature | -10 to 50°C (14 to 122°F) |
| Operating Humidity (Non-Condensing) | 90 %RH: 10 to <30°C (50 to <86°F) 75 %RH: 30 to <40°C (86 to <104°F) 45 %RH: 40 to 50°C (104 to 122°F) |
| Storage Temperature and Humidity (without batteries) | -40 to 60°C (-40 to 140°F), <95 %RH |
| IP Rating | IP30 (Jaw Closed) |
| Mechanical and General Specifications (Transmitter) | |
| Power Supply | 8 x AA IEC LR6 alkaline or NiMH rechargeable |
| Battery Life (typical) - No Buzzer or Front Light | FAULT & MAP Array Mode: approx. 15 h FAULT & MAP Unit Mode: approx. 8 h OPEN Unit Mode: approx. 15 h |
| Dimensions | 244 x 180 x 106 mm (9.6 x 7.0 x 4.2") |
| Weight | 2.04 kg (4.5 lb) |
| Mechanical and General Specifications (Receiver) | |
| Power Supply | 4 x AA IEC LR6 alkaline or NiMH rechargeable |
| Battery Life (typical) - No Buzzer or Front Light | Approximately 16 hours |
| Low Battery Indication | Yes |
| Dimensions | 183 x 75 x 43 mm (7.2 x 2.95 x 1.69") |
| Weight | 0.27 kg (0.6 lb) |
| Mechanical and General Specifications (Clamp) | |
| Power Supply | 2 x AA IEC LR6 alkaline |
| Battery Life (typical) - No Buzzer or Front Light | > 150 hours (without backlight and spotlight) |
| Dimensions | 257 x 116 x 46 mm (10.1 x 4.6 x 1.8") |
| Weight | 0.6 kg (1.32 lb) |
