Description
Overview
GAOTek compressed air flow meter uses piezoelectric crystal as a measuring element of the flow measurement instruments for a variety of air, gas, steam, liquid flow measurement. It has specifications from DN15 to DN300, vortex flow meter in accordance with the structural characteristics into full-tube vortex flow meter and plug-in vortex flow meter.
Features
- Simple structure, no moving parts wear
- High accuracy and good reliability
- Unique design of the amplification board
- Can be long-distance transmission of flow signals
- It has a variety of data transmission methods
- It can pass the RS485 protocol to receive data
Technical Specifications
| Measured Medium | Liquid; Gas; steam; oxygen; biogas; air; overheat steam |
| Nominal Pressure | 1.6 MPa; 2.5 MPa; 4.0 MPa; 64 MPa (Other pressure can be custom) |
| Accuracy | ± 1.0 %, ± 1.5 % |
| Measuring Range Ratio | 1:8 to 1:30 (Standard air condition as reference), 1:8 to 1:40 (Normal Temperature as reference) |
| Flow Range | Liquid: 0.4 m/S to 7.0 m/s Gas: 4.0 m/s to 60.0 m/s Steam: 5.0 m/s 70.0 m/s |
| Specifications | DN15 to DN600 |
| Material | 1Cr18Ni9Ti |
| Reynolds Number | Normal 2*104 to 7*106 |
| Resistance Coefficient | Cd ≤ 2.6 |
| Vibration Acceleration Allowed | LUGB ≤ 0.2 g |
| Ex-Proof Class | IP65 ExiaIICT6 Ga |
| Pressure | 86 kPa to 106 kPa |
| Power Supply | 12 V to 24 V or DC or 3.6 V battery powered |
| Signal Output | Pulse frequency signal 2 Hz to 3000 Hz, Low level ≤ 1 V, high level ≥ 6 V |
| Medium Temp. | -40 °F to 392 °F -40 °F to 536 °F 40 °F to 662 °F |
| Ambient Temp. | -40 °F to 149 °F (Non-Display on site) -4 °F to 131 °F |
| Relative Humidity | ≤ 5 % to 93 % |