Address
304 North Cardinal
St. Dorchester Center, MA 02124
Work Hours
Monday to Friday: 7AM - 7PM
Weekend: 10AM - 5PM
A90-EC
COND/RES Controller
NT$100
- Large TFT-LCD Display
- User-friendly navigation system
- 32 bits ARM-based MCU
- Accurate Measuring Circuit
- Stable and robust power module
- General/Advanced password protection
- Fine-tunable 0/4~20 mA output current
- 4~20mA, modbus on RS485 module
- IP65 Protection
- Large Graphic LCD Display
- User-friendly navigation system
- 32 bits ARM-based MCU
- CE certification
- IP65 Protection
Specification
| Model : | A90-EC-B / A90-EC-E / A90-EC-R / A90-EC-S | |||||
|---|---|---|---|---|---|---|
| Parameter | Conductivity | Resistivity | Salinity | TDS | Temperature | |
| Range | 0 ~ 20/200/2000 μS/cm | 0 ~20.00 | 0~78 g/kg | 0~200,000PPM | -30.0~130.0 °C | |
| 0~20/200/2000 mS/cm | MΩ-cm | |||||
| Resolution | 0.01/0.1/1 μS/cm | 0.01/0.1/1 | 1 g/kg | 1 PPM | 0.1 °C | |
| 0.01/0.1/1 mS/cm | MΩ-cm | |||||
| Accuracy | ±0.1% F.S. | ±0.1% F.S. | ±1% F.S. | ±1% F.S. | ±0.2 °C | |
| Temp. Sensor | NTC10K, NTC30K, PTC1K or Manual adjustment | |||||
| Temp. Comp. | Conductivity: Linear compensation (0~40%) | Resistivity: Non-Linear compensation | ||||
| Operating Temperaure | 0~50 °C | |||||
| Storage Temperature | -20~70 °C | |||||
| Calibration Mode | Standard solution calibration, Cell constant adjustment | |||||
| Display | TFT-LCD display | |||||
| Language | English / Simplified Chinese / Traditional Chinese | |||||
| Relay Settings | Two sets of Relays for High/Low point control, One set of Relay for timer settings | |||||
| Max. 250 VAC 5A | ||||||
| Power Supply | 100V~240 VAC±10%，50/60 Hz，6W Max. | |||||
| Installation | Panel/Wall/Pipe mounting | |||||
| Dimensions | 144mm(H) ×144mm(W) × 115mm(D) | |||||
| Cutout Dimensions | 138 mm(H) × 138mm(W) | |||||
| Weight | approx. 0.7 Kg | |||||
| Protection | IP65 (NEMA 4X) | |||||
| Other functions | A90-EC-B | A90-EC-E | A90-EC-R | A90-EC-S | ||
| Analog Output | － | Two sets of isolated 0/4~20mA corresponding to measurement, max load 500 Ω | － | Two sets of isolated 0/4~20mA corresponding to measurement, max load 500 Ω | ||
| Measuring Chart | Measuring chart corresponded to 0/4~20mA output recorded for one hour (Statistical result with average, maximum and minimum values per minute) | |||||
| A90-EC-E、A90-EC-S ：Measuring chart corresponded to 0/4~20mA settings | ||||||
| A90-EC-B、A90-EC-R：Measuring chart corresponded to diplay range | ||||||
| Digital Communication | － | - | MODBUS RTU | MODBUS RTU | ||
| Clock | The time must be reset after power on | The time must be reset after power on | Clock is working when power off | Clock is working when power off | ||
