Features& Advantages
Differential signal PH/ORP online controller
Support a variety of installation methods
Clock and historical data recording function
Two settable SPST multifunctional relays;
Two high-precision 0/4~20mA current output;
A two-wire RS485 interface, Modbus RTU protocol;
The meter can perform temperature compensation;
Specification Of Digital PH Meter
Model | APX2-G3A | ||
Software version | DRFN PH Analysis software V1.0 | ||
Sensor input | pH | Glass pH sensor(Compatible with grounded PH sensor) | |
ORP | ORP sensor (Platinum/Gold sensor) | ||
TEMP | PT1000 or NTC10K(B) | ||
Measurement range | -2~16pH ±2000mV -10~150ºC /14~302ºF | ||
Meter performance | Accuracy | 0.1% of the measuring range or PH: ±0.02pH /ORP: ±2mV | |
Sensor diagnosis | Display images, and the buzzer prompts briefly | ||
Relay output | Two SPST relays with a maximum load of 3A/250VAC | ||
Analog output | Two 0/4~20mA current output with a maximum load of 1000Ω | ||
Communication | A two-wire RS485 interface MODBUS RTU, support JSON text data format | ||
Clock function | Time is accurate to the second, and record the measurement data on time to form historical data that can be consulted | ||
Data record | Record 14,000 historical data, and the recording interval can be set between 1 and 999 minutes. Save the last 100 maintenance data | ||
Display screen | 3.2 inch LCD screen | ||
Operating temperature | 0~60ºC, less than 95% RH, non-condensing | ||
Storage temperature | -20~70ºC, less than 55% RH, non-condensing | ||
Configuration | Power failure protection, indefinite retention of parameters | ||
Enclosure material | Enhanced ABS IP66 | ||
Meter dimension | 144*144*120 mm | ||
Mounting method | wall mounting, pipe clamp, panel(Hole size 138*138mm) | ||
Electrical interface | Three M12*1.5 gland are reserved at the back of the instrument | ||
Power source | 100~240VAC | ||
Power consumption | About 7W | ||
Weight | About 800g |