Reference data
50
Reference data
Specifications
Q
Converter
Product name
Industrial-use MLSS meter
Converter type
HU-200SS industrial-use MLSS converter
Detector type
SS-90 MLSS detector for industrial use
Measurable range
Activated sludge (MLSS) 0 to 20000 mg/L (MLSS
)
Kaolin
0 to 10000 mg/L (white inorganic powder)
Clay(inorganic mud)
0 to 20000 mg/L (gray inorganic mud)
Transmission
output setting
range
Activated sludge (MLSS)
Arbitrary setting within the range from 0 to 1000 mg/L to 0 to 20000
mg/L
Kaolin
Arbitrary setting within the range from 0 to 1000 mg/L to 0 to 10000
mg/L
Clay (inorganic mud)
Arbitrary setting within the range from 0 to 1000 mg/L to 0 to 20000
mg/L
Display resolution
1 mg/L (0 to 10000mg/L)
10 mg/L
(
10000 to 22000mg/L
)
Performance
Repeatability
Within a reading value
±
3% or
±
10 mg/L, whichever is larger. (sensor
connecting sludge measured value)
Transmission
output
Number of output points 1
Output type
DC 4 mA to 20 mA, input/output insulation type
Load resistance
900
Ω
maximum
Linearity
Within ±0.08 mA (for output only)
Repeatability
Within ±0.02 mA (for output only)
Error output
With the burnout capability (3.8 mA or 21 mA)
Hold capability
Either the last value hold or the arbitrary value hold is to be selected.
Contact output
Number of output points 3
Output type
No-voltage contact output
Contact type
Relay contact, SPDT (1c)
Contact capacity
250 V AC, 3 A, 30 V DC, 3 A (resistance load)
Contact
capability
R1, R2
Selectable from upper limit alarm, lower limit alarm, transmission
output Hold, and cleaning output.
(opened at alarm operation, closed usually, closed at power-off)
FAIL
Error warning (normally closed; open when an error occurs; open
when the power is turned OFF)
Description of alarm
z
Setmting range: MLSS concentration within the measurable range
z
Delay time: 0 to 600 s
