7835
Hydrazine Monitor
11 Specification
28
IM/7835–EN Rev. P
11 Specification
General
Range:
0 to 100.0, 0 to 1000.0 µg kg
-1
with automatic range change
Sample temperature:
5 to 55 °C (41 to 131 °F)
Sample flow:
25 to 500 ml min
-1
(0.8 to 17 fl oz min
-1
)
Sample pressure:
15 millibar (0.217 psi) minimum
Ambient temperature:
0 to 55 °C (32 to 131 °F)
Accuracy:
5 % of reading or 2 µg kg
-1
whichever is the greater for hydrazine
concentrations up to 500 µg kg
-1
Better than 10 % of reading above 500 µg kg
-1
Response time:
90 % of a step change in less than 3 minutes
Stability:
5 % of reading or 2 kg
-1
per week, whichever is the greater
Outputs:
2 isolated current outputs in the range 0 to 10, 0 to 20 or
4 to 20 mA
750
Ω
maximum impedance
External alarms:
2 normal or fail-safe, high and low concentration alarms
Calibration Mode indication
Calibration Fail indication
All volt-free, 250 V, 2 A non-inductive
Calibration:
Manual initiation of automatic calibration sequence
Every 1 to 4 weeks depending on operating conditions
Environmental data
Transmitter and sensor
Ambient temperature:
0 to 55 °C (32 to 131 °F)
Storage temperature:
–20 to 70°C (–4 to 158 °F)
Operating humidity:
Up to 95% RH, non-condensing
Sunlight:
Store and operate out of direct sunlight
Installation information
Mounting
Sensor and transmitter:
4 holes: 8.5 mm (0.33 in.) diameter
230 mm (9.05 in.) horizontal
330 mm (13.0 in.) vertical
Weight
Sensor:
11 kg (24 lb)
Transmitter:
11 kg (24 lb)
Dimensions
Sensor unit:
300 wide x 400 high x 200 mm deep (11.8 wide x 15.7 high x 7.9
in. deep)
Transmitter:
300 wide x 300 high x 200 mm deep (11.8 wide x 11.8 high x 7.9
in. deep)
Maximum distance between sensor and transmitter:
100 m (328 ft.)
Connections to sensor unit
Sample inlet:
6.3 mm (
1
/
4
in.) OD compression fitting
Sample waste:
10 mm (0.39 in.) flexible – atmospheric drain
Sample line material:
Stainless Steel
Ingress protection
Transmitter:
IP55
