Features
3½ Digit Backlit LCD Meter
200mV Full Scale Reading
3to7.5 V or 6to15V Operation
Low Battery Warning
Bandgap Reference
The DPM 750S-BL features a 200mV d.c. measurement range with auto-zero and auto-polarity. Decimal points are user selectable. The meter features a negative rail generator which enables the meter to measure a signal referenced to its own power supply GND. A low drift bandgap reference circuit ensures accurate readings over a wide temperature range. LED backlighting ensures excellent readability under low light conditions. This module is supplied with a plastic mounting bezel. A waterproof seal to IP67 / NEMA 4X is achievable, using the optional BEZ 700-IP bezel. This is a popular part, normally stocked in high quantity and suitable for new designs.
| Specification |
Min. |
Typ. |
Max. |
Unit |
| Accuracy (overall error) * |
|
0.1 |
|
% (±1 count) |
| Linearity |
|
|
±1 |
count |
| Sample rate |
|
2.5 |
|
samples/sec |
| Operating temperature range |
0 |
|
50 |
°C |
| Temperature stability |
|
50 |
|
ppm/°C |
| Supply voltage (V+ to GND) |
3 |
5 |
7.5 |
V d.c. |
| Supply voltage (V+ to V-) |
6 |
9 |
15 |
V d.c. |
| Supply Current (V+ to GND) |
|
500 |
|
uA |
| Supply Current (V+ to V-) |
|
350 |
|
uA |
| Backlight supply voltage |
4.75 |
5.0 |
** |
V d.c. |
| Backlight supply current @ 5V d.c. |
|
30 |
50*** |
uA |
| Input leakage current (Vin=0V) |
|
1 |
10 |
pA |
;)
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