HE-480R

Panel-mount Type Resistivity Meter(Four-Wire Transmission)

HE-480R connects resistivity sensor(ERF sereies) and measures resistivity and temperature in the sample water.The feature is 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.

Measuring range

Resistivity: 0 - 100.0 MΩ・cm, 0 - 1000 kΩ・m
Temperature: 0 - 100 ℃

Division: Process Water
Produktionsfirma: 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
method
Electrode type (2-electrode method)
Cell constant0.01/cm
Temperature
sensor
specifications
Platinum resistance 1000 Ω/0℃
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℃ to 100℃ (Select your desired decimal point from 0, 1, and 2 digits.)
RepeatabilityWithin ±0.5% of the full scale (in equivalent input)
LinearityWithin ±0.5% of the full scale (in equivalent input)
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 functionSpecific resistance: Based on the specified compensation coefficient for cell constant (parameter input)
Temperature: Calibrated by comparing with the reference thermometer
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 reference temperature and user-defined temperature coefficient (reference temperature: 5℃ to 95℃)
  • No temperature compensation
 
Temperature
compensated
range
0℃ to 100℃
Extra deionized
water specific
resistance selection
Measurement
unit
kΩ•m182.3 (standard), 181.8, 182.4Select from options shown on the left.
MΩ•cm18.23 (standard), 18.18, 18.24
Clipping functionWhen the measured value is above the upper limit of the measurement range derived from the specified specific resistance, the specified resistance is used as the measured value.
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 sensorsERD/ERF-series specific resistance sensor, cell constant 1.0/m (0.01/cm)

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