The DMU-30DCV series outdoor digital dc voltmeters feature a large screen and super-bright red LED display for clear readability in bright sunlight
The DMU-30DCV series from DATEL (a Murata Power Solutions brand) provides rugged, daylight‑readable DC voltage measurement for harsh indoor and outdoor environments. Four input ranges (+200 mV, +2 V, +20 V, +200 V) are offered with high resolution, and the auto‑dimming red LED display adjusts brightness for any lighting condition.
The manual covers wiring, panel installation, calibration, and technical specifications. It details the required six M3 mounting screws (tightened to 3 in‑lb), the rear‑mounted 34‑turn intensity potentiometer for manual brightness adjustment, and notes that the unit is not internally fused, requiring external fusing if needed. Electrical performance data such as accuracy (+0.4 %FS +2 counts) and sampling rate (2.5 readings per second) are also provided.
| Input ranges | +200 mV, +2 V, +20 V, +200 V |
|---|---|
| Accuracy | +0.4 %FS +2 counts |
| Sampling rate | 2.5 readings per second |
| Rated voltage | 300 Vac |
| Display type | Daylight‑readable, auto‑dimming, red LED, 0.56" high |
| Operating temperature | 25 °C to +60 °C |
| Weight | 1.3 oz (36 g) nominal |
The series offers four input ranges: +200 mV, +2 V, +20 V, and +200 V.
Brightness can be manually set with a 34‑turn rear‑mounted intensity adjustment potentiometer, while an auto‑dimming circuit also adjusts automatically.
Tighten all six M3 metric screws to 3 inch‑pounds (0.34 Nm).
No, the DMU-30DCV voltmeters are not internally fused; external fusing must be provided if required.