HO-200

HO-200 (Four-Wire Analyzer)

Industrial ORP meter (Four-Wire Analyzer)

Best for neutralization reaction treatment management of aeration tank, denitrification tank, etc.
Measure oxidation/reduction potentials of various kinds of solution

 

Division: Process Water
Manufacturing Company: HORIBA Advanced Techno Co., Ltd.
  • Redox potential measurement of various solutions
  • Suitable for aeration control of sewage treatment and neutralization of chemicals
  • Extensive interfaces (2-channel transmission output, RS-485 compatible, 4-relay output)

 

 

Measuring methodMetal electrode method
Measuring rangeORP: -2,000 to 2,000 mV   Resolution: 1 mV
Temperature: 0 to 100˚C   Resolution: 0.1˚C
RepeatabilityORP: ±5 mV or less   Temperature: ±0.3˚C (for equivalent input)
LinearityORP: ±5 mV or less   Temperature: ±0.3˚C (for equivalent input)
Transmission outputTwo points 4 to 20 mA DC   Input/output insulated type   Maximum load resistance 900 Ω
Contact outputThree points Non-voltage contact output Relay contact, SPDT (1c)
 Contact function:
  R1, R2: Selectable from upper limit alarm, lower limit alarm, ON/OFF control, transmission output hold operation, cleaning output
  FAIL: Malfunction alarm
 Control operation: Control width: 2 to 400 mV (±1 to ±200 mV)
Contact inputOne point   Contact format: Open collector non-voltage a contact
 Contact function: Cleaning operation external input
Communication functionRS-485   Two wire system, Input/output insulated type (not insulated from transmission output)
Ambient temperature-20 to 55˚C
Temperature measurement elementPt 1000 (0˚C)
Positive temperature sensitive resistor element: 500 Ω (25˚C), 6.8 kΩ (25˚C), 10 kΩ (25˚C)
Calibration methodManual adjustment (offset) Correction (-200 to 200 mV)
Manual sensitivity correction (0.500 to 1.500)
Self-diagnosis functionElectrode diagnosis error, Analyzer malfunction
Power supply90 to 264 V AC 50/60 Hz
Power consumption 15 W or less
ConstructionOutdoor installation type: IP65 protection level
Mounting method: 50A pole or wall mounted
Case: Aluminum alloy
Mount fitting/hood: SUS304
WeightApprox. 4.5 kg
Equipment protectedCE marking, FCC rules

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