HE-200C (Four-Wire Analyzer)

Features

  • Suitable for continuous measurement of pure water or boiler water
  • Flexible temperature compensation
  • Inline measurement of pharmaceutical water conductivity according to USP<645> quality guidelines
  • Extensive interfaces (2-channel transmission output, RS-485 compatible, 3-relay output)

Manufactured by HORIBA Advanced Techno

Specifications

Measuring range

Cell constant

/cm

0.01

0.1

1.0

Electrical
conductivity

μS/cm

0.000 to 2.000
0.00 to 20.00

0.000 to 2.000
0.00 to 20.00
0.0 to 200.0
0 to 2,000*

0.0 to 200.0
0 to 2,000

mS/m

0.0000 to 0.2000
0.000 to 2.000

0.0000 to 0.2000
0.000 to 2.000
0.00 to 20.00
0 to 200.0*

0.00 to 20.00
0.0 to 200.0

TDS conversion

mg/L

0.00 to 2.00
0.0 to 20.0

0.0 to 20.0
0 to 200

0 to 200
0 to 2,000

Electrical conductivity measurement and TDS conversion measurement cannot be selected at same time.

Temperature

˚C

0 to 100   Resolution: 0.01˚C

* Range only applies to sanitary sensors.

Repeatability

Electrical conductivity: ±0.5% full-scale or less, TDS conversion: ±1.5% full-scale or less
Temperature: ±0.1˚C (for equivalent input)

Linearity

Electrical conductivity: ±0.5% full-scale or less, TDS conversion: ±1.5% full-scale or less
Temperature: ±0.5˚C (for equivalent input)

Transmission output

Two point 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, USP assessment, transmission output hold operation
  FAIL: Malfunction alarm
 Alarm operation: Output details: Electrical conductivity (or TDS conversion), 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 (but for 0˚C or less, 100˚C or more, extend and perform calculation)

Ambient temperature

-20 to 55˚C

Temperature compensation element

Pt 1000 (0˚C)

Calibration function

Electrical conductivity: Based on input of cell constant correction coefficient (parameter input)
TDS conversion: Conversion based on specified coefficient (0.30 to 1.00)
Temperature: One point calibration compared with reference temperature gauge

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

Weight

Approx. 4.5 kg

Equipment protected

CE marking, FCC rules