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| DMS-20PC-2-LM Self-Powered LED Display High-Voltage, 50/60/400Hz AC Line Monitor FEATURES Self-powered, two-terminal operation Dual operating ranges: 240-310Vac at 50/60Hz or 85-140Vac at 400Hz Half-wave averaging, rms calibrated Large, easy-to-read, bright red LED display Rugged, epoxy-encapsulated construction Built-in bezel for panel mounting Reliable screw terminals for easy installation Small 1.38" x 0.88" x 1.0" package DATEL's DMS-20PC-2-LM is a component-size, self-contained, low-cost ac voltmeter specifically designed for high-voltage or high-frequency operation. The DMS-20PC-2-LM's unique power-supply circuitry allows a single model to operate from either 240 to 310Vac with 50/60Hz inputs or from 85 to 140Vac with 400Hz inputs. The meter requires no external components or auxiliary power for full operation! Its large, 0.37"/9.4mm, bright red LED display is easily readable under virtually all lighting conditions. DMS-20PC-2-LM employs half-wave sinusoidal averaging (rms calibrated) to achieve a display resolution of 1Vac over its full operating range. Packaged in a red-filter case with a built-in bezel, the meter is epoxy encapsulated for ruggedness. This low-cost, extremely versatile digital voltmeter is ideal for use in emergency power equipment, 277Vac fluorescent lighting systems, 400Hz aircraft installations, and any other application requiring accurate, high-voltage or high-frequency, ac line monitoring. Typical panel mount installation Suggested wiring (User supplied) Functional Specifications Input Voltage Range Current Consumption Performance Sampling Rate Measurement Type Accuracy @ +25C Temperature Drift (-25 to +60C) Mechanical Dimensions Display Type Weight Case Material Environmental Operating Temperature Storage Temperature Humidity (Non-condensing) 240-310Vrms (47-99Hz) 85-140Vrms (350-450Hz) 50mArms (max.) 2.5 readings/second Half-wave average, rms calibrated for sinusoidal input 1V (typ.), 2V (max.) 0.15 Volts/C (max.) 1.38" x 0.88" x 1.00" 3 digit, red LED, 0.37"/9.4mm 1 ounce (28 grams) Polycarbonate -25 to +60C -40 to +75C 0 to 95% Ordering Information DMS-20PC-2-LM-C DMS-BZL3-C DMS-BZL4-C DMS-20-CP High-voltage ac line monitor with screw terminals and screws Panel mount bezel Panel mount bezel with sealing gasket Panel cutout punch Brass screws (6-32 thread) and a panel-mount retaining clip are supplied with each meter Operation and accuracy at inputs above or below this range are not specified. 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_DMS-20PC-2LM.B02 Page 1 of 2 DMS-20PC-2-LM Self-Powered LED Display High-Voltage, 50/60/400Hz AC Line Monitor Dimensions in inches (millimeters) Tolerances: 2 PL Dec 0.02 (0.51) 3 PL Dec 0.010 (0.254) Recommended panel cutout dimensions: 1.336 (33.93)W x 0.838 (21.29)H Internal corner radii 0.032 (0.81) Max. 1.30 (33.0) 0.04 (1.016) 0.04 (1.016) 0.04 (1.016) #6-32 UNC THD 0.44 (11.2) 0.80 (20.3) 0.88 (22.4) 0.37 (9.4) 0.75 (19.1) 0.32 (8.1) 1.00 (25.4) #2-56 INSERT 0.156 (3.96) DEEP 0.19 (4.8) 1.07 (27.2) DMS-BZL3-C Optional Bezel 1.28 (32.5) 0.10 (2.5) 1.63 (41.4) 1.83 (46.5) 0.10 (2.5) USA: Canada: UK: France: Germany: Japan: China: Singapore: Mansfield (MA), Tel: (508) 339-3000, email: sales@murata-ps.com Toronto, Tel: (866) 740-1232, email: toronto@murata-ps.com Milton Keynes, Tel: +44 (0)1908 615232, email: mk@murata-ps.com Montigny Le Bretonneux, Tel: +33 (0)1 34 60 01 01, email: france@murata-ps.com Munchen, Tel: +49 (0)89-544334-0, email: munich@murata-ps.com Tokyo, Tel: 3-3779-1031, email: sales_tokyo@murata-ps.com Osaka, Tel: 6-6354-2025, email: sales_osaka@murata-ps.com Shanghai, Tel: +86 215 027 3678, email: shanghai@murata-ps.com Guangzhou, Tel: +86 208 221 8066, email: guangzhou@murata-ps.com Parkway Centre, Tel: +65 6348 9096, email: singapore@murata-ps.com Technical enquiries email: sales@murata-ps.com, tel: +1 508 339 3000 Murata Power Solutions, Inc. 11 Cabot Boulevard, Mansfield, MA 02048-1151 U.S.A. Tel: (508) 339-3000 (800) 233-2765 Fax: (508) 339-6356 www.murata-ps.com email: sales@murata-ps.com ISO 9001 and 14001 REGISTERED 11/24/08 Murata Power Solutions, Inc. makes no representation that the use of its products in the circuits described herein, or the use of other technical information contained herein, will not infringe upon existing or future patent rights. The descriptions contained herein do not imply the granting of licenses to make, use, or sell equipment constructed in accordance therewith. Specifications are subject to change without notice. (c) 2008 Murata Power Solutions, Inc. www.murata-ps.com DMS-20PC-2-LM 1.38 (35.1) (R) (R) MPM_DMS-20PC-2LM.B02 Page 2 of 2 |
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