Product name | Industrial conductivity meter |
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 | - 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 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 |