Technische Daten
VA 525 EN V1.01
Page 7 of 41
4
Technical data
Measurement:
Flow and consumption
Reference Standard:
Standard settings ex works:
DIN 1945, ISO 1217 at 20°C and 1000 mbar
Selectable Units
m³/h
(Standard settings ex works)
m³/h, m³/min, l/min, l/s, kg/h, kg/min, g/s, lb/min, lb/h Cfm,
m/s,ft/min
Measuring principle:
calorimetric measurement
Sensor:
Pt45, Pt1000
Measuring medium:
Air, gases
Operating temperature:
-30 ... 80°C probe tube
-20 ... 70°C housing
Operating pressure:
up to 16 bar,
Power supply:
18 to 36 VDC
Power consumption:
max. 5W
Digital output:
RS 485 (Modbus RTU)
MBus (optinal)
Ethernet oder Ethernet-PoE (optional)
Analog output:
4...20 mA (see chapter 4), max. burden < 500 Ohm
Pulse output:
pulse output potential free (dry contact)
passive: max. 48Vdc, 150mA
1 pulse pro m³ resp. pro l,
Valency adjustable with the display keys
Accuracy:
± 1,5 % m.v., ± 0,3 % f. s.*
Display:
TFT 1.8 Resolution 220 x 176 (optinal)
Mounting thread:
G ¼
”
,
,
G ½”, G ¾”, G1", G 1¼” G 1½”, G 2”
measuring block
Material measuring block:
Aluminium
Protection calss:
IP65
* m.v. = measured values
f.s. = full scale
