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Product name
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Industrial resistance meter
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Model
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HE-480R
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Measurement method
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Electrode type (2-electrode method)
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Cell constant
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0.01 /cm
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Temperature sensor
specifications
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Platinum resistance 1000 Ω / 0 °C
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Measuring range
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Measurement unit
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kΩ·m
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0 to 2.00
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0 to 20.0
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0 to 200.0
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0 to 1000 *
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MΩ·cm
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0 to 0.200
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0 to 2.00
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0 to 20.00
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0 to 100.0 *
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*: Measurable without temperature compensation
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Temperature: 0 °C to 100 °C (Select your desired decimal point from 0, 1, and 2 digits.)
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Repeatability Within
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±0.5% of the full scale (in equivalent input)
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Linearity Within
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±0.5% of the full scale (in equivalent input)
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Transmission
output
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4 mA to 20 mA DC: input / output isolated type
Maximum load resistance: 900 Ω
Transmission output range: Freely selectable within the measurement range
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Contact output
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Outputs: 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.
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Calibration function
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Specific resistance
Temperature
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Transmission
output hold feature
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- Previous value hold
- Optional value hold
- Continuous
Selectable from the above (However, only the previous value hold is available in the maintenance Mode.)
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Self-diagnosis
function
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- Sensor diagnosis
- Out of the measurement range
- A/D converter scale over
- Converter error
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Temperature
compensation
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- 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
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Temperature - compensated range
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0 °C to 100 °C
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Extra deionized water specific resistance selection
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Measurement unit
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kΩ·m
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182.3 (standard), 181.8, 182.4
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Select from options shown on the left.
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MΩ·cm
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18.23 (standard), 18.18, 18.24
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Clipping function
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When 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.
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Power supply
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Rated voltage 100 V to 240 V AC, 50/60 Hz, 10 VA (max.)
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Structure
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Indoor-use panel installation type
Panel: IP65 dust and water proof structure
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Protective structure
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Panel: IP65 (IEC60529, JIS C0920)
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Conforming standards
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CE Marking
FCC Rule
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External
dimensions
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48 (W) mm x 96 (H) mm x 115 (D) mm
Case depth: approx. 105 mm (when panel-mounted)
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Mass
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Approx. 400 g
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Compatible
sensors
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ERF-series specific resistance sensor, cell constant 1.0 /m (0.01 /cm)
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