| Display | 3 1/2 digits LCD with a Max. Reading of 1999 |
| Polarity | Automatic, positive implied, negative polarity indication |
| Over Range | (1) or (-1) is displayed |
| Measurement Rate | 2 times per sec. nominal |
| Operating Environment | 0°C to 50°C at <70% relative humidity |
| Accuracy | Stated accuracy at 23±5°C <75% relative humidity |
| Applications | Item No | Range and resolution |
| DC Voltmeter | PM438 | 0.1uV~500V |
| DC Current Meter | PM438B | 100uA~5A(no suit for testing 5A long-time) |
| Other Industrial & DIY Users | Capacitance Meter* | *conversion circuit not included |
| dB Meter* |
| PH Meter* |
| Watt Meter* |
| Lux Meter* |
| LCR Meter* |
| Dimension | 67*40*13mm |
| Supply Voltage | 8 - 12 VDC |
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