PT686R SERIES
PT686R Level Transmitter
PT686R Industrial Level Transmitter delivers reliable hydrostatic liquid level measurement for tanks, vessels and process systems. Featuring high accuracy, optional HART communication and rugged IP67 protection, it is ideal for demanding industrial environments.
Level Range
1 mH₂O ~ 100 mH₂O
Output
1–5 V / 4–20 mA
Technical Specifications
LEVEL PERFORMANCE
Level Range
1 mH₂O ~ 100 mH₂O
Accuracy
0.05% FS / 0.1% FS / 0.2% FS / 0.075%F.S
ELECTRICAL & COMMUNICATION
Output
4–20 mA / 1–5 V
Power Supply
12~45 VDC
MECHANICAL
Weight
0.5–1 kg
ENVIRONMENTAL
Operating Temperature
-40~85°C
Protection
IP68
Product Overview
PT686R Level Transmitter is designed for continuous liquid level measurement in demanding industrial environments. Utilizing a high-stability pressure sensing element and intelligent signal conditioning electronics, it delivers accurate and reliable level measurement for tanks, vessels and process systems.
The transmitter supports multiple output signals, various measuring ranges and flexible process connections, making it suitable for petroleum, chemical processing, water treatment, metallurgy, power generation and industrial automation applications.
Key Features
- High-Stability Pressure Sensor
- Continuous Liquid Level Measurement
- Measuring Range from 1 mH₂O to 100 mH₂O
- Accuracy up to ±0.05% URL
- 4–20 mA & HART Output
- Wide Turndown Ratio (20:1)
- Monocrystalline Silicon Sensor Technology
- 355° Rotatable Display
- IP67 Industrial Protection
- Long-Term Stable Performance
Applications
| Industry | Typical Applications |
|---|---|
| Oil & Gas | Storage Tanks |
| Chemical Processing | Chemical Tanks |
| Water Treatment | Reservoirs & Water Towers |
| Power Generation | Cooling Water Systems |
| Food & Beverage | Process Tanks |
| Industrial Automation | Level Monitoring Systems |
Technical Highlights
Level Measurement Performance
| Parameter | Specification |
|---|---|
| Measurement Principle | Hydrostatic Pressure |
| Measuring Medium | Liquid |
| Measuring Range | 0–1 mH₂O to 0–100 mH₂O |
| Accuracy | ±0.05%, ±0.075%, ±0.1% URL |
| Turndown Ratio | Up to 20:1 |
| Sensor Technology | Monocrystalline Silicon |
| Display | 355° Rotatable LCD |
| Long-Term Stability | Excellent |
Electrical Specifications
| Parameter | Specification |
|---|---|
| Power Supply | 12–36 VDC |
| Output Signal | 4–20 mA |
| Communication | HART (Optional) |
| Signal Conditioning | Integrated Electronics |
| Parameter Setting | Three-Key Magnetic Configuration |
| Surge Protection | Built-in Protection Circuit |
Mechanical Specifications
| Parameter | Specification |
|---|---|
| Housing Material | Aluminum Alloy |
| Wetted Parts | Stainless Steel |
| Process Connection | Multiple Thread & Flange Options |
| Protection Class | IP67 |
| Display | 355° Rotatable LCD |
| Installation | Tank / Vessel / Pipeline |
Custom Manufacturing
When the conventional products can not meet your needs, we can provide you with customized services according to the technical parameters.
