HORIBA - Model HE-200R -Four-Wire Analyzer

• Repeatability: Electrical resistivity: ±0.1% full-scale or less, Temperature: ±0.1˚C (for equivalent input)
• Linearity: Electrical resistivity: ±0.5% full-scale or less, Temperature: ±0.5˚C (for equivalent input)
• Transmission output: Two points  4 to 20 mA DC  Input/output insulated type  Maximum load resistance 900 Ω
• Contact output
• Three points  Non-voltage contact output Relay contact, SPDT (1c)
• Contact function: R1, R2: Selectable from upper limit alarm, lower limit alarm, transmission output hold operation
• FAIL: Malfunction alarm
• Alarm operation: Output details: Electrical resistivity, temperature
• Contact input
• One point  Contact format: Open collector non-voltage a contact
• Contact function: Transmission output hold external input
• Communication function
• RS-485  Two wire system, Input/output insulated type (not insulated for transmission output)
• Temperature compensation range: 0 to 100˚C
• Ambient temperature: -20 to 55˚C
• Temperature compensation element: Pt 1000 (0˚C)
• Calibration function
• Electrical resistivity: Based on input of cell constant correction coefficient (parameter input)
• Temperature: One point calibration compared with reference temperature gauge
• Additional function: Ultra-pure water electrical resistivity selection function, clip function
• Self-diagnosis function: Sensor diagnosis error, Analyzer malfunction
• Power supply
• 90 to 264 V AC 50/60 Hz
• Power consumption 15 W or less
• Construction
• Outdoor installation type: IP65 protection level
• Mounting method: 50A pole or wall mounted
• Case: Aluminum alloy
• Mount fitting/hood: SUS304
• Compatible sensor: ERF series electrical resistivity sensor (cell constant 0.01/cm)
• Pair calibration accuracy*
• Electrical resistivity: ±0.01 MΩ·cm or less (for standard unit / same temperature)
• Temperature: ±0.02˚C or less (for standard unit / same temperature)
• Weight: Approx. 4.5 kg
• Equipment protected: CE marking, FCC rules

* The sensor and analyzer are assembled in advance and pair calibration is performed before shipping.