Panel-mount Type Conductivity Meter (Four-Wire Transmission, For Low-concentration)
HE-480C connects conductivity sensor (ESH /FS Series) and measures conductivity and temperature in the sample water. This is a highly functional model, with high-performance temperature compensation, and is applicable to a wide range of tasks, from managing pure water for use with semiconductors, to managing the quality of boiler water.
Conductivity: 0 - 2000 μS/cm, 0 - 200.0 mS/m
TDS: 0 - 2000 mg/L
Product name | Industrial conductivity meter | |||
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Model | HE-480C | |||
Measurement method | Electrode type (2-electrode method) | |||
Cell constant | 0.01/cm, 0.1/cm, or 1.0/cm | |||
Temperature sensor specifications | Platinum resistance 1000 Ω/0℃ | |||
Measuring range | Cell constant (/cm) | 0.01 (ESD/ESL/ESH-001) | 0.1 (ESD/ESL/ESH-01) | 1.0 (ESD/ESL/ESH-1) |
Measurement range (μS/cm) | 2.000/20.00 | 20.00/200.0 | 200.0/2000 | |
Measurement range (mS/m) | 0.2000/2.000 | 2.000/20.00 | 20.00/200.0 | |
TDS conversion (mg/L) | 2.00/20.0 | 20.0/200 | 200/2000 | |
Temperature 0℃ to 100℃ | ||||
Repeatability (in equivalent input) | Conductivity display | Within ±0.5% of the full scale | ||
TDS conversion display | Within ±1.5% of the full scale | |||
Linearity (in equivalent input) | Conductivity display | Within ±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 output | 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. | |||
Calibration function | Conductivity: 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 |
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Self-diagnosis function |
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Temperature compensation |
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Temperature- compensated range | 0℃ to 100℃ | |||
Ambient temperature | -5℃ to 45℃ | |||
Relative humidity | 20% to 85% (without dew condensation) | |||
Storage temperature | -25℃ to 65℃ | |||
Power supply | Rated voltage 100 V to 240 V AC, 50/60 Hz, 10 VA (max.) | |||
Structure | Indoor-use panel installation type Panel case: ABS, Terminal: PBT Panel: IP65 dust and water proof structure | |||
Protective structure | Panel: IP65 (IEC60529, JIS C0920) Rear case: IP20, Terminal:IP00 Class II device (IEC61010-1) Pollution level 2 (IEC61010-1) | |||
Conforming standards | CE Marking | EMC Directive: EN61326-1 Low Voltage Directive: EN61010-1 RoHS Directive: EN50581 | ||
FCC Rule | FCC Part15 | |||
External dimensions | 48 (W) mm × 96 (H) mm × 115 (D) mm Case depth: approx. 105 mm (when panel-mounted) | |||
Mass | Approx. 400 g | |||
Compatible sensors | ESD, ESL, ESH and FS series conductivity sensor; cell constant: 0.01/cm, 0.1/cm, or 1.0/cm |
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