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DMS-30LCD-3-5-C Datasheet(PDF) 1 Page - Murata Power Solutions Inc. |
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DMS-30LCD-3-5-C Datasheet(HTML) 1 Page - Murata Power Solutions Inc. |
1 / 6 page DMS-30LCD Series 3½ Digit, LCD Display Digital Panel Voltmeters For full details go to www.murata-ps.com/rohs www.murata-ps.com Technical enquiries email: sales@murata-ps.com, tel: +1 508 339 3000 MPM_DMS30LCD.D01 Page 1 of 6 Offering all the outstanding features and benefits of DATEL’s industry leading DMS- 20LCD Series of 3½ Digit LCD Panel Meters, DMS-30LCD meters offer larger, more easily readable displays at slightly higher power consumptions. Like all DMS Series LCD meters, these miniature (2.17” x 0.92” x 0.43”), epoxy-encapsulated devices offer component-like ease-of-use, outstanding reliability and easy installation in either panels or pc-cards. DMS-30LCD devices operate from a single +5V supply or a 9V battery. Battery-oper- ated units typically draw 350μA and consume a mere 3.2mW. Backlit models are available for low-light applications; though we have found many designers prefer DATEL’s unique low-power LED meters in those circumstances. Offering 4 optional input voltage ranges (±200mV, ±2V, ±20V or ±200V), DMS-30LCD meters have an extremely user-friendly input structure. They can be used in differential or single-ended modes. Input impedance is a minimum 800kΩ. CMRR is typically 86dB. CMV is ±2V, and inputs are overvoltage protected to ±100V. Each meter incorporates an extremely stable, double regulated reference and is fully calibrated at our factory prior to encapsulation. We guarantee outstanding initial accuracy (±1 count) and excellent stability over temperature (±0.15 counts/°C). These extremely rugged meters are moisture and vibration proof and never require adjustment or recalibra- tion. For popular applications (4-to-20mA, rms-to-dc conversion, ac line power, J and K thermocouples, etc.), the DMS-30LCD Series includes a complete line of "plug-on" applica- tion boards that conveniently convert your meter into an application-specific instrument. FEATURES Large (0.4"/10.2mm), enhanced-contrast, LCD display Single +5V supply or 9V battery Power as low as 3.2mW Miniature size: 2.17" x 0.92" x 0.43" (55mm x 23mm x 11mm) Epoxy-encapsulated, 12-pin DIP Backlit displays optional 4 differential input voltage ranges High accuracy, ±1 count (±0.05%) Autopolarity changeover and overrange indication User-selectable decimal point placement Numerous "plug-on" application boards 0 to +60°C temperature range +1.23V REFERENCE OUT (+) INPUT HI (–) INPUT LO ANALOG COMMON REFERENCE OUT REFERENCE IN +5V SUPPLY/ +BATTERY R1 DP 1 DP 2 DP 3 6 5 4 9 11 12 10 8 7 1 3 DC/DC CONVERTER 2 5V RETURN/ –BATTERY +5V –5V +5V 1.23V REF. R2 +2.0V DATA 909k V+ V– A/D CONVERTER 0 Vdc 0.01μF 1 DISPLAY TEST/ BACKLIGHT R2 is not used on ±200mV (-0) models or ±2V (-1) models. R2 = 100k on ±20V (-2) models and 9.1k on ±200V (-3) models. J1 DC/DC converter is not used on 9V-powered models, J1 is connected. Display Test function is not available on backlit models. 1.82k 3 2 1 3 2 |
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