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The DMS-30PC Series is a broad line of self-contained, fully operational, 3? digit volt meters with large, easy-to-read LED displays. The 0.56(14.2mm) high LEDs are available in a wide variety of colors including red, orange, amber, yellow, green, aqua, blue-green, and super-blue. A high-intensity version of the red display is optional, as are low-power versions of the red, orange, and green displays.

The small size (2.17 x 0.92 x 0.56) of DMS-30PC meters is achieved by integrating their display, display drivers, reference circuit, and A/D converter into in a single, epoxy encapsulated assembly. The devices 12-pin, component-like, DIP package is both vibration and moisture proof. Each package incorporates a built-in color filter and bezel and is easily mounted in either panels or pc cards.

These meters are available in four differential input voltage ranges (±200mV, ±2V, ±20V and ±200V). Input impedance is 1,000 megohms for the ±200mV and ±2V inputs and 1 megohm for the ±20V and ±200V inputs. CMRR for all devices is 86dB, and inputs are overvoltage protected to ±250V.

Each meter incorporates an extremely stable, double-regulated reference and is fully calibrated prior to potting. We guarantee outstanding initial accuracy (±1 count) and excellent stability (±0.15 counts/°C). All models operate from a single +5V supply, and the low-power models draw as little as 10mA (50mW total power). A DISPLAY TEST function is standard on each device.

For popular applications (4-to-20mA, rms-to-dc conversion, ac line power, J and K ther mocouples, etc.), the DMS-30PC Series includes a complete line of optional plug-on application boards that conveniently convert your meter into an application-specific instrument.

FEATURES

■ Large (0.56/14.2mm) LED display

■ 8 LED colors

■ Low-power LED’s optional

■ Epoxy-encapsulated, 12-pin DIP with built-in color filter and bezel

■ Miniature size: 2.17 x 0.92 x 0.56(55mm x 23mm x 14mm)

■ Panel or pc-board mountable

■ 4 differential input voltage ranges

■ Auto-calibration, ±1 count accuracy

■ User-selectable decimal point placement

■ Single +5V supply (60mW for low-power models)

■ 0 to +60°C temperature range

■ Numerous plug-on application boards

■ Low cost