Technical Specifications
| Output AC Detection Current | 0 to 40 ± 2 mA |
| Output AC Detection Voltage | 0 kVto 3 kV |
| Output DC Grounding Impedance Current | 0 to 36 ± 2 mA |
| Output DC Grounding Impedance Voltage | 0 to 2.7 kV |
| Accuracy Of Grounding Impedance Current | ±1.0 mA |
| Output Accuracy Of AC Detection Signal | ±1.0 mA |
| Output Power | Effective maximum output power 95 W |
| Measuring Range | Grounding resistance ≤ 120 k Ω |
| Detect Line Length | ≤100 km |
| Grounding Impedance Measurement | 0 kΩ to 120 kΩ |
| Measurement Accuracy Of Grounding Impedance | Reading 5% ± 2 k Ω |
| Open Circuit Protection Time Of Signal Circuit | ≤2 S |
| Protection Time Of Signal Output Circuit Integrity Detection | ≤2 S |
| Detection Signal Fluctuation Alarm Threshold | ±2 mA |
| Open Circuit Identification Current Threshold | ≤2 mA |
| Low Power Alarm | 24.5 V |
| Undervoltage Power-Off | 23 V |
| No Operation Automatic Power-Off Time | 0.5 to 10 Min |
| Display Mode | Dot matrix display, backlight function |
| Rated Operating Voltage | 25.9 VDC |
| Operating Voltage Range | 23 to 29.4 V |
| Detection Method | Clamp CT, integration mode |
| Transmission Mode | 433 MHz wireless RF transmission, transmission distance is about 30 m |
| Measuring Range | 0.1 mA to 1200 A (50 Hz） |
| Sampling Frequency | 0.1 mA to 200 mA（22 Hz） |
| Resolving Power | 2 times or second |
| Test Accuracy | 0.1 mA |
| Data Storage | ± 2% ± 5 dgt (23 ℃ ± 5 ℃, below 80% RH) |
| Line Voltage | 200 groups, “MEM” symbol indicates in the storage process, and “FULL” symbol flashes indicating that the storage is full |
| Data Retention | Line electrification shall not exceed 35kV (operation with insulating rod) |
| Data Query | In the detection mode, press the HOLD key to keep the data, the “HOLD” symbol is displayed, and then press the HOLD key to cancel the keeping |
| Overrange Overflow Display | MR symbol indicates that the stored data can be read up and down |
| No Signal Indication | OL A symbol display |
| Automatic Shutdown | The “NO SIGNAL —-” symbol will be displayed dynamically when the recorder does not receive the transmission signal |
| Power Supply | If not detected, the device will shut down automatically after about 15 minutes |
| Battery Voltage | DC6V 4 No. 7 alkaline batteries, wireless reception: 5 No. 1.5 V 5 alkaline batteries |
| Unit Weight | When the battery voltage is lower than 5.4 V, the low battery voltage symbol “” is displayed to remind you to replace the battery |
| Working Environment Temperature And Humidity | Total weight of clamp meter and hand recorder is 2.5Kg (including insulating rod and battery) |
| Insulating Rod Size | Not interfered by 433 MHz co frequency signal |
| Insulation Strength | Telescopic link 0.9 m or joint (4 joints) |
| Structure | AC 40 kV or rms (between insulating rod and tong core) |
| Datum Conditions | 64.4 ℉ to 82.4 ℉ (23 ℃ ± 5 ℃) |
| Operating Ambient Temperature | 41 ℉ to 113 ℉ (5 ℃ to 45 ℃) |
| Temperature And Humidity Of Storage Environment | 14 ℉ to 104 ℉ (-10 ℃ to 40 ℃) Less than 80% Rh |
| Datum Conditions | (23 ℃ ± 5 ℃) |
| Interference | 14 ℉ to 140 ℉ (-10 ℃ to 60 ℃) ； Less than 70% Rh |
| LCD Size | 2.44 in × 1.73 in (62 mm × 44 mm) |
| Unit Size | 3.93 in × 1.37 in × 8.03 in (100 mm long × 35 mm thick × Height 204 mm) |
| Jaw Size | Ф 1.96 in (50 mm) |
| Device Size (mm) | (L 465 x W 345 x H 185) |
| Unit Weight | Signal source 21.27 lb (9.65 kg) |
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