2000mV Online PH ORP Analyzer For Aquaculture Water Treatment
The PH/ORP online gauge for differential signal input is compatible with ground rod pH sensors to solve problems like reference junction potential and sensor ground loops. Its relays control PH/OPR alarm, water temperature alarm, electrode cleaning cycle control;
The PH/ORP gauges use salt-bridged primary battery electrodes (PH electrodes) to detect changes in the concentration of hydrogen ions in the solution, which affect the electrode level. It is usually made of glass and commonly known as PH glass electrode measurement. Mathematic defines pH as a commonly used congenital negative value for the concentration of hydrogen ions, i.e. pH=-lg[H⁺]
Applications of Online PH ORP gauge
1 Water treatment monitoring: drinking water surface water quality groundwater environmental sewage discharge monitoring urban drainage network monitoring
2 Industrial process monitoring and dosing control treatment: chemical petroleum paper food medicine electroplating PCB manufacture
Specification:
| Model | APX2-C3 | APX2-G4 |
| Principle | PH | Glass pH electrode (hydrogen ion concentration index) |
| ORP | Platinum or gold electrodes (redox potential) |
| Display Range | PH | 0~14pH |
| ORP | ± 2000mV |
| Temp | -10～150℃ |
| Solution Ground | N/A | Differential ground |
| Resolution | pH: 0.01pH ORP: 1mV TEMP: 0.1℃ |
| Accuracy | 0.1% of the measuring range or ±0.02pH / ±2mV, take the larger one |
| Stability | 0.05% of measuring range every 24 hours without accumulation |
| Repeatability | Better than 0.1% of measuring range |
| Temp Compensation | Automatic or manual (NTC10K/PT1000) | Automatic or manual (NTC10K/PT1000) Converted at 25°C |
| Relay Output | Two SPST relays, Max. load 3A/250VAC, set high/low alarm, temp or clean control |
| Digital Communication | A two-wire RS485, Modbus, JSON |
| Current Output | Two 0/4~20mA current Max. load 1000Ω |
| Language | English | English and Chinese |
| Time Display | Year/month/date hour/minute/second |
| Historical Data | 10000 historical data can be recorded, Record the last 100 calibration maintenance data |
| Display | 128*64 3.2-inch graphic dot matrix LCD |
| Calibration Method | PH: 3 points; ORP: 2 points | PH: 3 points; ORP: 2 points PH: 5 points multi-slope calibration |
| Protection Grade | IP66 |
| Enclosure Material | Enhanced ABS |
| Power Supply | AC: 100~240V or DC:18~36V, 50/60Hz |
| Dimension | 144*144*120mm (Hole size 138*138mm) |
| Electrical Interface | Reserve three M12*1.5 glan heads, the wire diameter is 3~6.5mm |
| Work Temperature | 0～60℃, RH<95%, non-condensing |
| Storage Temperature | -20～70℃, RH<55%, non-condensing |
| Installation | Wall mounting, pipe clamp, panel |
| Power Consumption | Max. 3W |
Advantage of Online PH ORP gauge
PH/ORP gauges can be connected to a variety of traditional PH/T or ORP combination electrodes. It has the patented temperature detection and temperature drift compensation technology
The PH ORP gauges works accurately in years, months, dates, hours, minutes and seconds, it records the measurement data on time to form a consultable historical data. The PH ORP gauges can record up to 14,000 historical measurements. The recording interval is freely set by the user. User maintenances are also recorded and the last 500 maintenance data are saved to help us find and analyze the cause of the instrument's abnormal operation.
The PH/ORP gauges has a temperature detection and temperature compensation function, supporting pH electrodes with temperature to measure temperature changes in aqueous solutions. It is a patented temperature drift compensation technology, which makes the instrument more stable and accurate in all kinds of environments.
Why Choose us?
1 Strict quality control system and certificate
2 Reliable Pre-shipment Inspection
3 Very competitive price
4 Advanced equipment and superior technology with patents
5 Various models
6 Rich components and configurations
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