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Vane wheel flow sensor ZS25 with
optional integrated transducer UFA
http://4/6 www.hoentzsch.com U324_ZS25UFA_DoP_e_100414
(6) Max. working pressure / Type of protection for sensor
up to 10 bar / 1 MPa kPa above atmospheric
protection class IP68
(7) Option 'Ex'
Type of protection Art. No. Comment
Gas-Ex:
Category 3G (Zone 2)
faex2 'non-Ex' model conforms to the requirements
as per DIN EN 60079-14
Ex ia IIC T6
Gas-Ex:
Category 2G (Zone 1)
faex1 only in conjunction with:
isolation/supply unit LDX2 and
'non-Ex-evaluation unit' or
compatible separate evaluation unit with Ex-input
(8) Design
as in Drawing 4 (Page 1)
dimensions A Ø 25 mm B 13.9 mm C 250/350/450/550/650 mm
D 60 mm E 80 mm F 130 mm
Measurement range (with a gas density of approx. 1.2 kg/m³) / vane wheel type
Measurement range Vane wheel type Art. No.
0.4 ... 20 m/s mn 20 E v_mn20GE
0.5 ... 40 m/s mn 40 E v_mn40GE
1.0 ... 80 m/s mn 80 E v_mn80GE
1.4 ... 120 m/s mn 120 E v_mn120GE
measurement uncertainty < 1.5 % of measured value + 0.5 % of terminal value
repeatability ±(0.05 % of terminal value + 0.02 m/s)
Connection housing AS80
dimensions 80 / 80 / 60 mm (L / W / H)
connection connector GO 070 with terminal screws
terminal assignment see Page 6
protection class IP65
Output / transducer (see Pages 2 & 3, 'Basic types')
ouput 4-20 mA /
integrated UFA
UFA integrated in the housing (see Page 6)
ouptut sensor v/FA /
separate evaluation unit
necessary
Höntzsch evaluation unit with v/FA input necessary for signal
evaluation
output sensor v/FA-Ex,
sensor with option 'Ex'
for use in Category 2G
(Zone1) / sep. eval.
unit necessary
Höntzsch evaluation unit with intrinsically safe v/FA-Ex signal
input or with v/FA input in conjunction with a series connected
isolation/supply unit necessary for signal evaluation
