HE-480C

Panel-mount type conductivity meter (conductivity meter)

For control of pure water and boiler water, as well as monitoring wastewater treatment.

Playing an active role in the control of pure water and boiler water as well as monitoring wastewater treatment. A lineup of sensors that are suitable for various sample characteristics are offered. The use of panel-mounted transmitters allows for cost savings at the time of installation.

COND

Division: Process Water
Manufacturing Company: HORIBA Advanced Techno Co., Ltd.

Diverse lineup of sensors available

Two types of sensors are available: a lead type which can be directly thrown into the tank or placed in the tank with an immersion holder, and a connector type for direct insertion into piping or with a flow-through holder. Materials that can accommodate special water applications are also offered.

Possible to be used in a panel-mounted configuration

This transmitter is easy to install while providing standard functions.

Product nameIndustrial conductivity meter
ModelHE-480C
Measurement
method
Electrode type (2-electrode method)
Cell constant0.01/cm, 0.1/cm, or 1.0/cm
Temperature
sensor
specifications
Platinum resistance 1000 Ω/0℃
Measuring rangeCell constant (/cm)0.01
(ESD/ESL/ESH-001)
0.1
(ESD/ESL/ESH-01)
1.0
(ESD/ESL/ESH-1)
Measurement range
(μS/cm)
2.000/20.0020.00/200.0200.0/2000
Measurement range
(mS/m)
0.2000/2.0002.000/20.0020.00/200.0
TDS conversion
(mg/L)
2.00/20.020.0/200200/2000
Temperature 0℃ to 100℃
Repeatability (in
equivalent input)
Conductivity displayWithin ±0.5% of the full scale
TDS conversion
display
Within ±1.5% of the full scale
Linearity (in
equivalent input)
Conductivity displayWithin ±0.5% of the full scale
TDS conversion
display
Within ±1.5% of the full scale
Transmission
output
4 mA to 20 mA DC: input/output isolated type
Maximum load resistance: 900Ω
Transmission output range: Freely selectable within the measurement range
Contact outputOutputs: 2 points
Alarm contact output (R1 and R2)
 Contact type: relay contact, SPDT (1c)
 Contact rating: 240 V AC, 3 A and 30 V DC, 3 A (resistance load)
 Contact function: selectable from upper/lower limit operation (ON/OFF control), alarm,
 and maintenance.
Calibration functionConductivity: Based on the specified compensation coefficient for the cell constant
(parameter input)
Temperature: Calibrated by comparing with the reference thermometer
TDS: Conversion using a user-defined coefficient value (0.30 to 1.00)
Transmission
output hold feature
  •  Previous value hold
  •  Optional value hold
  •  Continuous
Selectable from the above (However, only the previous value hold is available in the maintenance mode.)
Self-diagnosis
function
  •  Sensor diagnosis
    Short-circuit and disconnection of the temperature sensor
  • Out of the measurement range
  •  A/D converter scale over
  •  Converter error
Temperature
compensation
  •  Based on the temperature characteristics of extra deionized water (reference temperature: 25℃)
  •  Based on the temperature characteristics of NaCl
  •  Based on the reference temperature and user-defined temperature coefficient
    (reference temperature: 5℃ to 95℃, temperature coefficient ±5%/℃)
  •  No temperature compensation
Temperature-
compensated range
0℃ to 100℃
Ambient
temperature
-5℃ to 45℃
Relative humidity20% to 85% (without dew condensation)
Storage
temperature
-25℃ to 65℃
Power supplyRated voltage 100 V to 240 V AC, 50/60 Hz, 10 VA (max.)
StructureIndoor-use panel installation type
Panel case: ABS, Terminal: PBT
Panel: IP65 dust and water proof structure
Protective structurePanel: IP65 (IEC60529, JIS C0920)
Rear case: IP20, Terminal:IP00
Class II device (IEC61010-1)
Pollution level 2 (IEC61010-1)
Conforming
standards
CE MarkingEMC Directive: EN61326-1
Low Voltage Directive: EN61010-1
RoHS Directive: EN50581
FCC RuleFCC Part15
External
dimensions
48 (W) mm × 96 (H) mm × 115 (D) mm
Case depth: approx. 105 mm (when panel-mounted)
MassApprox. 400 g
Compatible sensorsESD, ESL, ESH and FS series conductivity sensor; cell constant: 0.01/cm, 0.1/cm, or 1.0/cm

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