Key facts
- Brand
- Lascar
- Model
- DPM40
- Category
- Other Electronics
- Documents
- 2
- Languages
- EN
- Last added
- 2012-05-03
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Lascar DPM40 User Manual
The DPM40 is a low‑cost, compact LED display module designed for bright, high‑contrast readouts in a variety of OEM applications. It features programmable decimal points, auto‑zero, auto‑polarity and a 200 mV full‑scale reading.
The manual covers dimensions, safety compliance with the Low Voltage Directive, scaling resistor adjustments, detailed pin functions, electrical specifications and typical application examples. It also includes calibration guidance to maintain maximum accuracy.
Lascar DPM40 specifications
| Supply voltage (V+ to V-) | 7‑14 V |
|---|---|
| Low battery threshold | 7.5 V |
| Sample rate | 3 samples/sec |
| Operating temperature range | 0‑50 °C |
| Temperature stability | 100 ppm/°C |
| Accuracy (overall error) | 0.05 % ± 1 count |
| Supply current | 150 pA |
Source: Lascar DPM 400 User Manual
All Lascar DPM40 documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
How can the full‑scale reading be adjusted?
Two external scaling resistors can be added to change the full‑scale reading.
From: Lascar DPM40 User Manual
What are the functions of the DP1 pin?
DP1 provides a 199.9 Ω reference for display scaling.
From: Lascar DPM40 User Manual
What is the supply voltage range for the DPM 400?
The module operates from 7 V to 14 V (V+ to V-).
What is the low battery threshold?
The low‑battery warning triggers at 7.5 V.