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7 Reference Materials
44
7
Reference Materials
7.1
Specifications
Product name
Total Organic Carbon Analyzer
Model
HT-110
Measurement method
Continuous UV oxidation conductivity method
Measurement limit
0 ppb to 1000 ppb
Measurement range
0 ppb to 100/500/1000 ppb
Repeatability
Within ±2% of full scale
Display resolution
0.1 ppb (0 ppb to 100 ppb / 0 ppb to 500 ppb range)
1 ppb (0 ppb to 1000 ppb range)
Transmittance output
Number of output point : one
4 mA to 20 mA DC / 0 V to 1 V DC (optional) insulated input/output
Maximum load resistance: 600
Ω
(minimum load resistance 100 kW (when
optionally selected)
Transmittance output range: optional setting possible within measurement range
Output target: TOC concentration
Contact output
Number of outputs: two
Alarm contact output (RLY1)
Contact method: relay contact, SPDT (1c)
Contact capacity:125 V 3 A AC / 24 V 3 A DC (load resistance)
Contact function: upper/lower limit function (ON/OFF control)
Output target:
at TOC, temperature, conductivity:
C-NO contact is "closed" during operation, "open" during normal conditions
(including a POWER OFF state) *C-NO contact is reversed
at hold, or error:
C-NO contact is "open" during operation (including a POWER OFF state),
"closed" during normal conditions *C-NO contact is reversed
Alarm contact output (RLY2)
Contact method: relay contact, SPST (1a)
Contact capacity: 125 V 3 A AC / 24 V 3 A DC (load resistance)
Contact function: upper/lower limit function (ON/OFF control)
Output target: TOC concentration
Contact input
Number of input point: one
Non-voltage normal open (1a) signal input (open collector input possible)
Insulation-type input
Max. ON resistance: 50
Ω
Open-circuit voltage: 5 V DC
Max. short circuit current: 10 mA
An error will not be generated even if there is notification of no sample detection
immediately after receipt of the pure water device stop signal receiving
The hold operation during the contact input receiving
Sample water condition
Conductivity: less than 10 µS/cm (less than 2 µS/cm in 0 to 100 ppb range)
Temperature: 5
°
C to 99
°
C
Pressure: 0.03 MPa to 0.50 MPa,
Pressure fluctuation: within ±0.05 MPa (within the specified pressure range)
Flow rate: 20 mL/min to 200 mL/min
Environmental conditions
Temperature: 5
°
C to 40
°
C
Relative humidity: less than 85%