pH controller | ec controller | ||
Model | GWQ-pH6.0 | GWQ-EC200 | |
Measuring range | 0~14pH | 0.02~20000uS/cm | |
Accuracy | ±0.02pH | ±1%FS | |
Resolution | 0.01pH | 0.01uS/cm | |
Calibration | Three point calibration (4.00/6.86/9.18pH,4.01/7.00/10.01pH) | Two point calibration (84.0μS/cm,1413μS/cm,12.88mS/cm) | |
Compensated temperature range | -10~+130℃ | ||
Temperature measurement accuracy | ±0.5℃ | ||
Temperature compensation | Manual/Automatic (NTC10K/Pt1000) | ||
Output | Isolated transformer 4-20mA output, maximum loop 750 ω, ≤±0.2%FS | ||
Communication | RS485(Compatible with MODBUS RTU) | ||
Alarm | High and low limit alarms each group (3A/250VAC), Normally open contact relay | ||
Power supply | 220VAC±10%,50Hz | ||
Opening size (mm) | 92.5*92.5 | ||
Dimensions size (mm) | 100*100*150 |