HE-480R(W)

Industrial resistivity meter HE-480R(W)

Industrial resistivity meter

The HE-480R industrial resistivity meter features the high-precision temperature compensation function.
Its high-performance temperature compensation makes it ideal for sequential monitoring of ultra-pure water used in manufacturing processes in the semiconductor field, and many other fields, including the areas of electrical goods, foods and medicines. The measurement range is from 0 to 100.0 MΩ・cm.

 

Segment: Semiconductor
Division: Wet Process Control
Base product
Manufacturing Company: HORIBA Advanced Techno Co. Ltd.

 

  • High-precision temperature compensation
    The temperature compensation element used is a platinum resistance thermometer (Pt 1000 Ω).
  • Freely adjustable standard temperature
    You can set the standard temperature for temperature compensation to a value of your choice, allowing it to meet the conditions you require, for processes such as measuring warm deionized water.
  • We make use of a full range of correction equipment
    Sensors are inspected prior to dispatch using correction equipment with ensured traceability. We have also put in place an after-sales support service, including on-site correction, and performing validation, for example by issuing correction certificates.
  • Uses lead-free solder
    To reduce the burden on the environment, lead-free solder has been used to mount the components on the printed circuit board.

 

 

Product nameIndustrial resistance meter
ModelHE-480R
Measurement methodElectrode type (2-electrode method)
Cell constant0.01 / cm
Temperature sensor
specifications
Platinum resistance 1000 Ω / 0 °C
Measuring rangeMeasurement unitkΩ·m0 to 2.000 to 20.00 to 200.00 to 1000 *
MΩ·cm0 to 0.2000 to 2.000 to 20.000 to 100.0 *
*: Measurable without temperature compensation
Temperature: 0 °C to 100 °C (Select your desired decimal point from 0, 1, and 2 digits.)
Repeatability Within± 0.5 % of the full scale (in equivalent input)
Linearity Within± 0.5 % of the full scale (in equivalent input)
Transmission
output
4 mA to 20 mA DC: input / output isolated type
Maximum load resistance: 900 Ω
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.
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
  • 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 °C)
  • Based on the reference temperature and user-defined temperature coefficient (reference temperature: 5 °C to 95 °C)
  • No temperature compensation
 
Temperature - compensated range0 °C to 100 °C
Power supplyRated voltage 100 V to 240 V AC, 50 / 60 Hz, 10 VA (max.)
StructureIndoor-use panel installation type
Panel: IP65 dust and water proof structure
Protective structurePanel: IP65 (IEC60529, JIS C0920)
Conforming standardsCE Marking
FCC Rule
External
dimensions
48 (W) mm x 96 (H) mm x 115 (D) mm
Case depth: approx. 105 mm (when panel-mounted)
MassApprox. 400 g
Compatible
sensors
ERF-series, cell constant 0.01 / cm

Schematics

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