產(chǎn)品描述
Meassuring range | Qp ≤ 360000 m³/h (600000 GPM) P ≤ kW |
Accuracy | EN1434 Class 3, typical ±(0.5 + 3K/ΔΘ) [%] |
Input / output | Input: 1 Pulse of flowmeter (always included) 2 Temperature input as PT100/500, 2 or 4-wire (always included) 2 Pulse input (optional) Output: 2 Pulse or status (optional) 1 M-Bus (optional) 1 RS 232 M-Bus protocol (optional) 1 RS485 M-Bus protocol (optional) 2 current (4-20mA , passive) (optional) |
Display | 8-digit LCD display with associated pictograms/symbols |
Enclosure | IP54 (in accordance with IEC 529) |
Power Supply | Battery (3.6V Lithium D-cell type) 230 V a.c. 24 V a.c. |
Temperature input | From -20 to 190 °C (-4 to 374 °F) |
Ambient temperature | From 0 to 55 °C (32 to 131 °F) |
Approvals | MID (EN1434, heating) and PTB K7.2 (cooling) |