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| DMS-20PC-3-LM Self-Powered LED Display 480V AC Line Monitor FEATURES Self-powered, two-terminal operation 350 to 600Vac operating input range 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 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) 350-600Vrms (47-63Hz) 50mArms (max.) 2.5 readings/second Half-wave average, rms calibrated for sinusoidal input 1V (typ.), 2V (max.) DATEL's DMS-20PC-3-LM is a low-cost, self-powered, 2-wire digital voltmeter designed for monitoring 480Vac 3-phase primary power. The DMS-20PC-3-LM's unique power-supply design allows a single model to operate from 350 to 600Vac (47-63Hz). 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-3-LM employs rms calibrated, halfwave sinusoidal averaging to achieve a display resolution of 1Vac over its full operating range. Packaged in a subminiature (1.38 x 0.88 x 1.0) red-filter case with a built-in bezel, the meter is epoxy encapsulated for ruggedness. An optional bezel assembly, featuring metal fasteners, simplifies panel mounting. This easy-to-use, vibration-proof voltmeter is the ideal digital upgrade for fragile analog-style panel meters in 480Vac power distribution equipment. It similarly excels in any new application requiring accurate, high-voltage, ac line monitoring. Typical panel mount installation Suggested wiring (User supplied) Ordering Information 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% DMS-20PC-3-LM-C DMS-BZL3-C DMS-BZL4-C DMS-20-CP 350-600Vac 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-3LM_D02 Page 1 of 2 DMS-20PC-3-LM Self-Powered LED Display 480V AC Line Monitor 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) 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-3-LM 1.38 (35.1) (R) (R) 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) MPM_DMS-20PC-3LM_D02 Page 2 of 2 |
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