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Contact name:Yuki Fu
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Differential Sign Online PH Transmitter For Water Quality Monitor
At present, affected by sewage enterprises, the pH of some water bodies has exceeded the standard, which has seriously affected the normal life and production of human beings.
For example, in the process of aquaculture in fish ponds, farmers fail to understand whether the pH in the water is suitable for the growth of fish and shrimp. loss.
The reason for this is that the water body is polluted and the pH changes are not detected in time. In the past, the measurement of pH in water bodies was carried out by manual sampling and chemical analysis in the laboratory, which was cumbersome and the measurement period was long, and it was impossible to accurately find the pH changes in water bodies in real time.
pH meter can be widely used in the monitoring in electric power, petrochemical, sewage treatment and other fields. It is mainly used to continuously monitor the PH value of sewage in the production process, and has the characteristics of strong anti-pollution, anti-corrosion and long service life.
Specification:
| Product Name | PH ORP meter |
| Product Model | APX2-G3A/G3D |
| Software Version | DRFN PH Analysis software V1.0 |
| pH Range | -2～16pH |
| ORP Range | ± 2000mV |
| Ground | Differential signal (Compatible with ground sensor) |
| Temperature Range | -10～150℃ /14~302℉ |
| Resolution | 0.01pH / 1mV/ 0.1℃ |
| Accuracy | PH:±0.02 pH /ORP:±2 mV |
| Temperature Compensation | Automatic or manual(NTC10K or PT1000) |
| Relay Control | 2 settable SPST relays, maximum load 3A / 250VAC |
| Communication | RS485 Modbus RTU |
| OTA | —— |
| Signal Output | Two 0/4~20mA current outputs maximum load 1000Ω |
| Sensor Diagnosis | Image display |
| Configuration | Power failure protection, indefinite retention of parameters |
| Time/Data recording | Record 14,000 historical data; Save the last 100 maintenance data |
| Language | Chinese and English |
| Protection Grade | IP66 |
| Enclosure Material | Enhanced ABS |
| Power Supply | AC: 100~240V or DC:18~36V |
| Dimension | 144*144*120mm |
| Hole Size | 138*138mm |
| Operating Temperature | 0～60℃, RH<95%, non-condensing |
| Storage Temperature | -20～70℃, RH<55%, non-condensing |
| Installation Method | wall mounting, pipe clamp, panel |
| Weight | 900g |
| Power Consumption | About 7W |
Please click the user manual of pH controller here:
Brief introduction:
● pH glass electrode measurement method, is applied to various PH/ORP
monitoring and dosing control occasions;
● Differential signal PH/ORP online controller, stable measurement
and strong anti-interference ability;
● Support a variety of installation methods, wall mounting, pipe
clamp installation, panel installation;
● Clock and historical data recording function to meet higher data
management requirements;
● The protection grade of the enclosure is IP66;
● Two settable SPST multifunctional relays;
● Two high-precision 0/4~20mA current outputs;
● A two-wire RS485 interface, the communication protocol is MODBUS
RTU;
● 128*64 large LCD screen, multiple languages are available;
● The menu password can be set to facilitate hierarchical
management;
● The meter can not only perform temperature compensation on the
test sample, but also self-check the operating temperature of the
instrument,and make the test results more accurate;
● Provide AC and DC power supply modes, both of which are
wide-voltage power supply.
Aplication:
Water treatment monitoring
Drinking water,surface water,water quality analyze,ground
water,ect.
Industrial process monitoring and dosing control
Chemical,petroleum,paper,food and medicine,PCB manufacturing,etc.
FAQ
Q1. Does the instrument have a self-diagnostic function and how
does it prompt?
A: The pH meter has self-diagnosis function.When the instrument is
in calibration and maintenance,it can diagnose the PH/ORP sensor,if
there is improper operation or poor PH/ORP sensor characteristics,
the screen makes an image display and advises the user to
re-maintain or replace the sensor.
Q2. What are the special advantages of the pH instruments?
A: The instrument can not only compensate the temperature of the
test sample by connecting the temperature sensor, but also
self-check the working temperature of the instrument in real time.
When the working temperature of the instrument changes, the
instrument compensates the hardware change caused by the
temperature drift. Make the test results more accurate, this is a
patented technology.
