🌐 Introduce
The PH-501 Industrial Online pH/ORP Meter is a smart and reliable chemical analyzer designed for accurate and continuous pH and ORP monitoring in various industrial applications. With its high-performance microprocessor technology and intelligent design, the PH-501 offers exceptional precision, ease of operation, and cost-effectiveness.
🔍 Features
- High Intelligence: Utilizes advanced AD conversion and single-chip microprocessor technology to perform accurate pH, ORP, and temperature measurements with automatic compensation.
- Data Storage: Built-in memory stores up to 72 data points covering three days of operation.
- 25°C Conversion: Automatically converts readings to the standard 25°C reference temperature for improved accuracy, especially in ultrapure water and power plant applications.
- Anti-interference Design: Equipped with a high impedance input (≥1012Ω) and optical coupling isolation to ensure strong electromagnetic compatibility and noise immunity.
- Time Display & Multi-Parameter Visualization: Shows real-time data, including time, pH/ORP values, temperature, alarms, and output signal on a high-brightness 128*64 LCD display.
📈 Technical Specifications
| Parameter | Specification |
|---|---|
| pH Measurement Range | 0.00 to 14.00 pH (±0.2 pH accuracy) |
| ORP Measurement Range | -2000 to +2000 mV (±1 mV accuracy) |
| Temperature Range | 0 to 99.9°C (±0.5°C accuracy) |
| Output Signal | 4–20 mA; Optional RS485 (MODBUS RTU) |
| Alarm Relay Output | AC220V, 3A |
| Power Supply | AC220V±22V, 50Hz/60Hz; Optional DC24V |
| Protection Level | IP54 |
| Instrument Dimensions | 96 mm (L) × 96 mm (W) × 120 mm (D) |
| Weight | 0.6 kg (transmitter) |
⚙️ Electrode Options
We provide a wide range of electrodes compatible with different working environments:
| Model | Range | Temp. | Shell Material | Application |
|---|---|---|---|---|
| PH-5010 | 0–14 pH | 0–80°C | PP | Circulating water, municipal, weak acid/alkaline sewage |
| PH-5040 | 0–14 pH | 0–80°C | PP | Pure water, low conductivity applications |
| PH-5050 | 0–14 pH | 0–100°C | Glass | Strong acid/alkali liquids |
| PH-5050-135 | 0–14 pH | 0–135°C | Glass | Electroplating, fermentation, and more |
| PH-5060T | 0–14 pH | 0–80°C | PP + Antimony | Hydrofluoric acid or fluoride ion-containing solutions |
Custom electrodes available for high pressure, -20°C operation, organic solvents, and temperature compensation.
✅ Applications
- The PH-501 is ideal for a wide range of industries:
- Power generation and thermal plants
- Water and wastewater treatment
- Chemical and fertilizer manufacturing
- Pharmaceuticals and biotechnology
- Food and beverage production
- Tap water and environmental monitoring