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The Texmate UM-45-DCA is a high resolution DC current meter that measures DC signals as low as 50mV full scale. The UM-45-DCA is ideal for measuring DC current using 50mV standard current shunts. This meter comes standard with a red 4 1/2 digit LED display or you can choose an optional green or super bright LED display.
| Input Configuration | Single-ended, however isolated power supply enables differential measurements up to a maximum common mode of 50V.* A Zero Potentiometer is provided that can offset the displayed reading ±500 counts. |
| Full Scale Ranges | Three header selectable ranges of ±50mV DC, ± 100mV DC & ±200mV DC full scale |
| Input Impedance | 50KΩ/100KΩ/65KΩ in 50/100/200mV ranges |
| A/D Converter | 16 bit dual slope |
| Accuracy | ± (0.05% of reading + 3 digits) |
| Temp. Coefficient | 100ppm/˚ C (Typical) |
| Warm Up Time | 2 minutes to specified accuracy |
| Conversion Rate | 3 readings per second |
| Display | 0.56" high efficiency LED Display Hold and Test Function |
| Polarity | Bipolar. Assumed +, displays - |
| Decimal Selection | Header under face plate, X•X•X•X• |
| Overload Indication | When input exceeds the full scale on any range being used, the meter displays flashing "0000" |
| Power Supply (std) | 120/240V AC, 50/60 Hz. approx 2.5W |
| (Optn) VO-DC/ISO | Isolated Switcher. 9 to 36V DC/12 to 24V AC |
| (Optn) VO-24V | Isolated Transformer 24V AC ±10% |
| Operating Temp. | -10 to 50˚C |
| Storage Temperature | -20 to 70 °C |
| Relative Humidity | 95% (non condensing) |
| Case Dimensions | Bezel 3.78”Wx1.89”H (96Wx48Hmm) Depth behind bezel 3.67" (93.1 mm) Plus 0.5 to .9” (12.7 to 22.8mm) depending on connector used. |
| Weight | 10 oz., 13 oz when packed. |
Manuals
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