| Model |
HE-480H |
| Measurement method |
Electrode type (4-electrode method) |
| Cell constant |
1.0/cm |
| Measuring range |
Measurement range
(S/m) |
0.000 to 2.000 |
0.00 to 20.00 |
Measurement range
(mS/cm) |
0.00 to 20.00 |
0.0 to 200.0 |
Seawater salinity
conversion value (%) |
0.00 to 4.00 |
NaCl salinity
conversion value (%) |
0.0 to 20.0 |
| 0°C to 100°C (The displayed decimal place is selectable among 0, 1,and 2.) |
| Repeatability Within |
Conductivity display |
Within ±0.5% of the full scale |
(in equivalent input) |
Salinity conversion
display |
Within ±1% of the full scale |
| Linearity Within |
Conductivity display |
Within ±0.5% of the full scale |
(in equivalent input) |
Salinity conversion
display |
Within ±1% 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
Temperature |
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 |
· Temperature characteristics of NaCl
· Freely selectable reference temperature and temperature coefficient
· No temperature compensation |
| Power supply |
Rated voltage 100 V to 240 V AC, 50/60 Hz, 10 VA (max.) |
| Structure |
Indoor-use panel installation type
Panel: IP65 dust and water proof structure |
| Protective structure |
Panel: IP65 (IEC60529, JIS C0920) |
| Conforming standards |
CE Marking
FCC Rule |
External
dimensions |
48(W) mm x 96 (H) mm x 115 (D) mm
Case depth: approx. 105 mm (when panel-mounted) |
| Mass |
Approx. 400 g |
Compatible
sensors |
FES series conductivity sensor, cell constant 100/m (1.0/cm)
(The measurement range differs depending on the sensor model.) |
