| Product name |
Low Concentration Type HF/HCl/NH3 Concentration Monitor |
| Model |
HF-960M |
| Measuring method |
Conductivity/concentration conversion method |
| Cell constant |
Approx. 4/cm |
| Measuring range |
HF : 0 to 5000ppm / 0 to 1000ppm
HCl : 0 to 5000ppm / 0 to 1000ppm
NH3 : 0 to 5000ppm / 0 to 1000ppm
Conductivity : 0 to 50.00mS/cm |
| Temperature : 0 to 100°C (Select your desired decimal point from 0,1 and 2digits.) |
| Repeatability |
Within ±0.5% of the full scale (in equivalent input) |
| Linearity |
Within ±0.5% of the full scale (in equivalent input) |
| Transmission output |
Output : 3points
4 to 20mA DC (input/output isolated type) Maximum load resistance : 900Ω |
| Contact output |
Output : 7points
Alarm Contact output (R1,2,3,5,6: SPST, R4: SPDT)
Alarm Contact output (RF: SPST)
24V DC 1A (resistancce load) |
| Communication function |
RS-485 |
| Calibration function |
Conductivity
Temperature |
| Control operation |
Selectable from Previous Hold and Arbitrary Hold |
| Self-diagnosis function |
·Sensor diagnosis error
(short-circuit and disconnection of the temperature sensor)
·Out of the measurement range
·Converter error |
| Temperature compensation |
User-defined temperature coefficient
(reference temperature : 25°C, temperature coefficient 0~3%/°C) |
| Temperature compensation range |
HF: 0 to 80°C, HCl: 0 to 40°C, NH3: 0 to 80°C
Conductivity: 0 to 100°C |
| Temperature compensation element |
Platinum resistance 1000Ω /0°C Temperature coefficient 3750ppm /°C standard |
| Power supply |
Rated voltage 24V DC, 10W (max) |
| Structure |
indoor-use, panel installation type, panel case : ABS, terminal : PBT,
Panel : IP65 dust and water proof structure |
| External dimensions |
96(W) x 96(H) x 115(D)mm, Case depth : approx.105 (when panel-mounted) |
| Weight |
Approx.550g |
| Conforming standards |
CE marking, FCC Part15 |
| Compatible sensors |
FS-10 series flow-type sensor |
