Flange differential pressure transmitter with metal sensor uses a one-sided diaphragm seal or diaphragm seals on both sides with a capillary on the low pressure side. Typically used in the process industry for continuous level measurement in liquids.
Range: 0~1KPa~3MPa
Resolution: ±0.2%
Ingress protection: IP65/IP67
Output: 4-20mA, HART, ModBus RS485
Power supply: 10~32VDC
Single flange differential pressure transmitter is composed of differential pressure transmitter and welded liquid level flange. Silicone oil and other filling liquid are used to transmit pressure between flange and sensor to avoid the influence of measured medium on measurement through pressure pipe. The influence of measured medium on measurement through pressure pipe includes: crystallization, solidification, vaporization (boiling), condensation, fractionation (gravity change), etc. It is used to measure the level, flow and pressure of liquid gas or steam, and then convert it into a 4~20 mA DC signal output.
| Model | AED 27 |
| Accuracy | ±0.2% |
| Output | 4~20ma, 4~20mA+HART, ModBus RS485 |
| Power supply | 12~32VDC |
| Ambient Temperature Effect | ≤±0.1%F.S/10°C |
| Long-term Stability | ≤±0.2%/URL (12 months) |
| Static Pressure Effect | ≤±0.1%/range/1MPa |
| Response Time | 0.25s |
| Power Supply Effect | ≤±0.005%/URL/V |
| Vibration Effect | ≤±0.25%/URL/g |
| Working Temperature | Normal temperature silicone oil: -40~150°C |
| High temperature silicone oil: 15~315°C | |
| Fluorine oil: -45~205°C | |
| Vegetable oil: 10~80°C | |
| Storage Temperature | -40~85°C |
| Storage Humidity | ≤95%RH |
| Protection Level | IP65/IP67 |
| Explosion-proof Level | NEPSI Ex db IIC T6 Gb |
| Process Connection | M20*1.5; G1/2; NPT1/2; NPT1/4; NPT1/2 |
| Shell Material | Cast aluminum alloy; SUS304 |
| Diaphragm Material | SUS316L; Hastelloy C; Tantalum; SUS316L gold-plated; SUS316L PTFE coating |
| Sensor Seal Ring Material | Nitrile rubber; Fluorosilicone; Polytetrafluoroethylene PTFE |
| Filling Fluid | Normal temperature silicone oil; High temperature silicone oil; Fluorine oil; Vegetable oil |
| Range Segment | Measurement Type | Minimum Range | Upper Range Limit | Lower Range Limit |
| 0-40KPa | Differential Pressure | 4KPa | 40KPa | -40KPa |
| Gauge Pressure | 4KPa | 40KPa | -40KPa | |
| 0-250KPa | Differential Pressure | 25KPa | 250KPa | -100KPa |
| Gauge Pressure | 25KPa | 250KPa | -100KPa | |
| 0-3MPa | Differential Pressure | 0.15MPa | 3MPa | -0.1MPa |
| Gauge Pressure | 0.15MPa | 3MPa | -0.1MPa |
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