Measuring method	Two electrode method
Measuring range	Cell constant	/cm	0.01
Electrical resistivity	MΩ·cm	0.000 to 2.000	0.00 to 20.00*
kΩ·m	0.00 to 20.00	0.0 to 200.0*
	* With conditions under which temperature compensation is not performed, it is possible to display 0.0 to 100.0 MΩ·cm (0 to 1,000 kΩ·m).
Temperature	˚C	0 to 100 Resolution: 0.01˚C
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

Measuring method

Two electrode method

Measuring range

Cell constant

/cm

0.01

Electrical
resistivity

MΩ·cm

0.000 to 2.000

0.00 to 20.00*

kΩ·m

0.00 to 20.00

0.0 to 200.0*

* With conditions under which temperature compensation is not performed, it is possible to display 0.0 to 100.0 MΩ·cm (0 to 1,000 kΩ·m).

Temperature

˚C

0 to 100 Resolution: 0.01˚C

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