| NON-INVASIVE CURRENT MEASUREMENT |
| Ranges (auto-ranging) |
400A, 1000A |
| Method |
AC RMS-responding |
| Resolution |
100mA (400A range)
1A (1000A range) |
| Accuracy |
10-700A, 50-60Hz ± 1.5% of reading ± 5 digits (1) |
| Crest Factor |
NA |
| Maximum measurable load |
1000A AC RMS (3) |
| Maximum permissible overload |
1,200 Amps |
| VOLTAGE MEASUREMENT |
| Method |
AC RMS-responding, DC |
| Voltage Measurement |
Ranges (auto-ranging) 400V, 600V |
| Maximum overload |
1,000V |
| Accuracy |
± 1% of reading ± 3 digits (1) |
| Resolution |
100mV (400V range)
1V (600V range) |
| Crest Factor |
6 for V < 1,000 V peak |
| Input impedance |
1 MΩ |
| Resistance, Continuity and Diode Testing |
| Ω ranges (auto-ranging) |
400 Ω, 4 kΩ |
| Ω resolution |
0.1 Ω(400 Ω range)
1 Ω(4 kΩ range) |
| Ω accuracy |
± 1% of reading ±3 digits |
| Continuity sounder |
Toggled on & off by )))) button;
(Ω range only) Sounds when resistance < 50Ω |
| Input protection, Ω & diode-test |
To 600 V, DC or sine wave RMS |
| Diode-test |
3.2V max. open Reads forward-biased diode circuit, 0.3mA short-circuit voltage to 2,000 mV |
| Diode-test accuracy |
± 1% of reading ± 2 digits (1) |
| Frequency Response |
| AC only V and A |
LH1020 50 Hz – 400 Hz
LH1025 50 Hz – 1000 Hz DC V DC only |
| Display |
| Size and type |
4000-count LCD
12mm / 0.5-inch characters |
| Status indication |
Low Battery, Data Hold, (as appropriate to model) Pk (MAX Hold), AC, DC, Diode Test, Ω, )))) (Continuity) |
| Refresh rate |
3 times per second |
| Power Supply |
| Battery type |
9 V Alkaline: MN1604, PP3 IEC 6LR61 or equivalent
Battery life (LH1025) Typically 60 hours |
| Mechanical Data |
| Dimensions (H x W x D) |
260 x 98 x 52 mm
10.25 x 3.86 x 2.05 inches |
| Weight |
520 gm / 1.1 lbs |
| Jaw Capacity |
1 x 50 mm/ 1.97-inch cables or 2 x 30mm/ 1.18-inch cables |
| Jaw Opening |
52mm / 2.05 inches |
| Environmental Data |
| Operating Temperature |
0 °C to 50 °C (32 °F to 122 °F) |
| Storage Temperature |
-20° to 60° (-4 °F to 140 °F) |
| Safety |
All models comply with IEC1010-1, 600V working, Installation category III, Pollution degree 2. |
| Maximum Safe Voltages |
Current measurement 600V AC RMS or DC between (bare conductors) uninsulated conductor & ground |
| Voltage measurement |
600V AC RMS or DC between input terminals or between live terminal & local ground. |
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