HE-300C (Two-Wire Transmitter)

Features

  • Suitable for continuous measurement of pure water or boiler water
  • Flexible temperature compensation

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 10.00

0.000 to 2.000
0.00 to 20.00
0.0 to 100.0

0.0 to 200.0
0 to 1,000

mS/m

0.0000 to 0.2000
0.000 to 1.000

0.0000 to 0.2000
0.000 to 2.000
0.00 to 10.00

0.00 to 20.00
0.0 to 100.0

TDS conversion

mg/L

0.00 to 2.00
0.0 to 10.0

0.0 to 20.0
0 to 100

0 to 200
0 to 1,0000

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

Temperature

˚C

0 to 100   Resolution: 0.01˚C

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

4 to 20 mA DC   Input/output insulated type
Maximum load resistance 600 Ω

Contact input

One point   Contact format: Non-voltage a contact
 Contact function: Transmission output is held for closed contact input.

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 60˚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, Transmitter malfunction

Power supply

24 V DC (operational voltage range: 21 V to 32 V DC)
Power consumption 0.6 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

ESH series electrical conductivity sensor (cell constant 0.01/cm, 0.1/cm, 1.0/cm)

Weight

Approx. 4 kg

Equipment protected

CE marking, FCC rules