Description
Overview
GAOTek thermal mass flow meters are mainly used for measuring gas with low flow and the range ratio could reach 1:1000, which is better than gas flow meters on the market and low flow could be measured. It can provide high accuracy, Stable performance, Multiple flow units seamless switching and multi-function setting. With DC 4 mA to 20 mA four wire output,which is more convenient for remote reception. Support MODBUS RTU RS 485 protocol, coordinating the receiving system to collect more data and modify the system.
Features
- LCD HD display
- Dual power supply
- Refined shielded rod
- Anti shading design
- High precision reinforced sensor
- Could measure mixed gas
- Wide flow range
- High sensitivity
Technical Specification
| Media | Various Gas (Except acetylene) |
| Pipe Size | Insertion type: DN 1.9 in to 78.74 in (50 mm to 2000 mm)
In-line type: DN 0.39 in to 78.74 in (10 mm to 2000 mm) Tri-clamp & Thread type: DN 0.59 in to 3.93 in (15 mm to 100 mm) |
| Velocity | 0.1 Nm/s to 100 Nm/s |
| q2`1 | +/-1% to 2.5% |
| Working Temperature | Sensor: -40 °F to 428 °F (-40 °C to 220 °C) Transmitter: -4 °F to 113 °F (-20 °C to 45 °C) |
| Working Pressure | Insertion type ≤1.6 Mpa
Flange type ≤4.0 Mpa Special pressure please double check |
| Power Supply | Compact type: 24 V DC or 220 V AC, Power consumption ≤18 W
Remote type: 220 V AC, Power consumption ≤19 W |
| Response Time | 1 sec |
| Output | 4 mA to 20 mA(optoelectronic isolation, maximum load 500 Ω), Pulse RS 485 (optoelectronic isolation) and HART |
| Alarm Output | 1-to-2-line Relay, 10 A /220 V / AC or 5 A / 30 V / DC |
| Sensor Type | Standard Insertion, Hot tapped Insertion and Flanged |
| Construction | Compact and Remote |
| Pipe Material | Carbon Steel, Stainless Steel, Plastic etc. |
| Display | 4 lines LCD
Mass flow, Volume flow in nominal condition, Flow totalizer, Date and time, Working time and Velocity, etc. |
| Protection | IP 65 |