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Isomators SEM1200 - 1 Pages

  1. P. 1

Catalogue excerpts

SEM1200 Loop Splitter Two 4 to 20mA Outputs The SEM1200 isolator is a dual output isolator, providing two separate isolated 4 to 20mA current signals from a primary loop. The output loops must be powered externally. Minor adjustments can be made to the calibration of the device via the two frontpanel accessible calibration potentiometers. Specification Input Type Range Protection Voltage Drop Output 1 & Output 2 @ 15 V dc Type 2 Wire current sink 4 to 20 mA Loop Voltage 5 to 32 V d.c. (reverse protected) Loop Volt Drop = 5 V Load = 900 ohm @ Vs = 24 V Load = 1200 ohm @ Vs 30 V Loop must be > 250Ω for ambients > 50 ºC Current input 2 wire Loop powered 4 to 20 mA (30 mA MAX) Reverse connection 5.0 V Maximum Connection Cable Size Case Material Flammability Dimensions Mounting Captive clamp screws Maximum 4 mm sq solid / 2.5 mm sq stranded Grey Polyamide To UL94-VO VDE 0304 Part 3, Level IIIA 60 x 75 x 12.5mm (67.5 above rail) Snap on “top hat” rail (DIN EN 50022-35) 500 V DC (flash tested @ 1 kV) between each port (Isolation method, opto coupler / transformer) Electrical Safety BS EN61010-1 POLLUTION DEGREE 2; INSTALLATION CAT II; CLASS I Ambient 0 to 70ºC ; 10 to 95 % RH non condensing Accuracy ±0.05 % (±0.008 mA ) of full range output Stability 0.01 % / ºC Response Time Less than 100 mS to reach 70 % of final value. EMC Tested to BS EN 61326 Adjustments Zero and Span Adjustment for each channel H&B Sensors Ltd | Odyssey House | Durban Road | Bognor Regis | West Sussex | PO22 9RH | United Kingdom Tel: +44(0)1243 866866 | Email: sales@hbsensors.com | www.hbsensors.com

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