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http://U324_ZS25UFA_DoP_e_100414 www.hoentzsch.com 3/6
Vane wheel
flow sensor ZS25 with
optional integrated transducer UFA
Basic types (cont.)
Type Transducer/
output
Article no.
'370 °C'/ separate evaluation unit
ZS25/25-250GE/370/p10/ZG4 sep. eval. unit / v/FA b002/200
ZS25/25-350GE/370/p10/ZG4 sep. eval. unit / v/FA b002/201
ZS25/25-450GE/370/p10/ZG4 sep. eval. unit / v/FA b002/202
ZS25/25-550GE/370/p10/ZG4 sep. eval. unit / v/FA b002/203
ZS25/25-650GE/370/p10/ZG4 sep. eval. unit / v/FA b002/204
'500 °C'/ separate evaluation unit
ZS25/25-250GE/500/p10/ZG4 sep. eval. unit / v/FA b002/205
ZS25/25-350GE/500/p10/ZG4 sep. eval. unit / v/FA b002/206
ZS25/25-450GE/500/p10/ZG4 sep. eval. unit / v/FA b002/207
ZS25/25-550GE/500/p10/ZG4 sep. eval. unit / v/FA b002/208
ZS25/25-650GE/500/p10/ZG4 sep. eval. unit / v/FA b002/209
(1) Sensor type / Sensor diameter
Vane wheel
flow sensor ZS25 with sensor Ø 25 mm and shaft Ø 25 mm
(2) Sensor length dimension C (see Drawing 4, Page 1)
250 / 350 / 450 / 550 / 650 mm
(3) Medium
... G ... air / gases
(4) Materials in contact with the medium
Design Material
... E ...
'100 °C' and '260 °C'
'370 °C' and '500 °C'
stainless steel 1.4404 / AISI 316L,
ceramics Al2O3 99.9 %
PTFE lip-seal, Hastelloy spring
pure graphite seal
(5) Permissible temperature of the medium
Design Temperature of the medium
... 100 ... -20 ... +100 °C (continuous)
... 260 ... -40 ... +260 °C (continuous)
-40 ... +300 °C (short-time)
... 370 ... -40 ... +370 °C (continuous)
-40 ... +400 °C (short-time)
... 500 ... -40 ... +500 °C (continuous)
-40 ... +550 °C (short-time)
ambience -40 ... +80 °C with separate evaluation unit
-40 ... +80 °C with integrated transducer UFA-int
-5 ... +50 °C with optional 'LCD display'
