|
Model
|
CS-137
|
|
CS-137-2503
|
CS-137-1003
|
|
Measurement sample
|
BHF (Hydrofluoric acid/Ammonia fluoride
solution)
|
|
Measurement principle
|
Absorption spectrometry
|
|
Concentration
computation principle
|
Temperature-compensated multivariate
analysis
|
|
Measurement range
|
NH4F: 15.0 to 25.0 %
HF: 0.00 to 3.00 %
H2O: 72.0 to 85.0 %
|
NH4F: 0.0 to 10.0 %
HF: 0.00 to 3.00 %
H2O: 87.0 to 100.0 %
|
|
Reproducibility
(Peak to peak)
|
NH4F: ±0.3 %
HF: ±0.25 %
H2O: ±1.0 %
|
NH4F: ±0.3 %
HF: ±0.25 %
H2O: ±1.0 %
|
|
Chemical
conditions
|
Temperature
|
20 to 30 °C
|
|
Flow rate
|
20 to 60 ml/min.
|
|
Pressure
|
0.10 to 0.20 MPa
|
|
Measurement cycle
|
Approx. 3 seconds minimum
|
|
Equipment temperature
|
20 to 30 °C
|
|
Operation panel
|
|
1)
|
Temperature level display:
Ammonia fluoride solution, Hydrofluoric acid,
Water
|
|
2)
|
Alarm display (Ammonia fluoride
solution, Hydrofluoric acid):
Concentration low-low limit, Concentration low
limit,
Concentration high limit, Concentration high-high
limit
|
|
3)
|
Alarm value settings
(Ammonia
fluoride solution, Hydrofluoric acid):
Concentration low-low limit, Concentration low
limit,
Concentration high limit, Concentration high-high
limit
|
|
|
Serial input/output
|
RS-232C
|
1)
|
Concentration data:
Ammonia fluoride solution, Hydrofluoric acid,
Water
|
|
2)
|
Alarm value settings
(Ammonia
fluoride solution, Hydrofluoric acid):
Concentration low-low limit, Concentration low
limit,
Concentration high limit, Concentration high-high
limit
|
|
|
Parallel input
|
12 to 30 V DC (photocoupler insulated)
Parallel concentration alarm (ON/OFF)
|
|
Parallel output
|
Maximum current when open collector
output is ON:
5 mA
Maximum voltage when open collector output is OFF:
30 V
|
1)
|
Alarm output: Ammonia fluoride
solution, Hydrofluoric acid:
Concentration low-low limit, Concentration low
limit,
Concentration high limit, Concentration high-high
limit
|
|
2)
|
Device error (including liquid
leakage)
|
|
3)
|
Under measurement
|
|
|
Analog output
|
4 to 20 mA (2 outputs: NH4F
concentration, HF concentration)
|
|
Power
|
24 V DC ±10%, 2 A
|
|
Dimensions
|
205 (W) x 329 (D) x 269 (H) mm
8.1 (W) x 13 (D) x 10.6 (H) in
|
|
Mass
|
Approx. 11 kg
|
|
Connection pipe size
|
For inlet and outlet: Outer diameter
6 mm (inner diameter 4 mm)
|
|
Pipe connection
|
Nippon Pillar Super type
|
