WR 200-F
2Pages

Catalog excerpts

Flow Measurement Equipment Heat energy meter WR 200-F for liquid heat carriers □ Heat carrier is water or other liquids □ Temperature range -50...0...+250 °C □ Any how sensor with analog signal can be connected □ 2 PtIOO-inputs for how and return temperature □ Exact coefficient calculation according to IAPWS-IF97 □ Backlit alphanumeric LCD display 4 x 20 characters □ Built-in clock and automatic calendar up to 2099 □ Counters for heat energy and how quantity □ Resettable counters for adjustable periods □ 4 analoge outputs 0/4...20 mA □ 2 pulse outputs for M-Bus connection (option) □ DIN-rail mounting or wall constuction □ Accessories fur panel mounting Description The heat meters WR 200 F is used for detecting the heat energy in closed heating or cooling systems with liquid heat transfer medium. The instantaneous heat capacity is calculated using the formula panel cut-out

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Specifications heat carrier: water or other liquids (water-glycol mixtures, heat transfer oil) temperatur inputs: 2 x Ptl 00 four-wire circuit for flow and return temperature, from the same line no required flow input: 0/4...20 mA, direct supply of a wire transmitter, supply voltage approx. 18Vdc characteristic of the flow input linear or square root k-value: determination according to data from IAPWS-IF97 display: backlit alphanumeric LCD display, 4 x 20 characters, all counts and instantaneous values are displayed with their physical unit counters: 9-digits for the...

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