China (Mainland)
PTF1100 series is smart gas turbine flow meter, designed as high quality and stability version, lower power consumption, widely used for natural gas, coal gas, petroleum gas, nitrogen, hydrogen, argon gas etc non-corrosive and pure gas flow measurement in tube.
Feature
High accuracy: ±1.5%rate , ±1.0%rate
Good repeatability: 0.05% to 0.2% in short repeatability
Various output signal: pulse, 4-20mA
Rotary local indicator in 1800,optional
RS485 communication output, optional
Temperature and pressure compensation, optional
EEPROM data memory and checking function, optional
Lower power consumption, built-in& out power supply
Lower initial flow range, smaller pressure loss, long span life, high performance and stability
Range and Pressure Rate
Classification
Specification
Process fluid:
Non-corrosive and pure gas
Natural gas, coal gas, petroleum gas
Nitrogen, Hydrogen, Argon
Not for:
Liquid, steam,
Oxygen, moisture gas
Requirement:
Filter should be installed
Application:
Gas flow measure in closed conduct
GB/T8940-2003 standard
Measure range:
2.5 to 6500 m3/h
Accuracy:
±1.5%R , ±1.0%R(optional)
Repeatability:
0.05% to 0.2%
Range ratio:
1:10, 1:20, 1:30
Output signal:
Pulse, open collector
4-20mA, two wire
Communication:
RS485
Process temperature:
-20 to 80 ℃
Local LCD indicator:
4 digit, flow rate (m3/h)
8 digit, flow totalize (m3)
Material
Housing:
Aluminum alloy, 304 SS
Impeller:
Anti corrosion ABS,
High quality aluminum alloy
Process connection:
Thread or flange
Thread:
DN25, DN40, DN50
Flange:
DN20, 25, 32, 40, 80,100
DN125, 150, 200, 250, 300
Signal output entry:
Male M20x 1
Memory type:
Start and stop memory
Daily memory
Fixed time interval memory
Power supply
External power supply:
24VDC ±15%, ripple≤±5%
Available for:
Pulse, 4-20Ma, RS485 output
Built-in battery:
3.0V10AH Lithium battery
Normal work when 2.0-3.0 V
Low voltage display if ＜2.0V
Power Consumption
External power supply:
＜1W
Built-in battery:
≤1W in average, continuous
work for above 3 years
Ambient temperature:
-30℃ to 60℃
Relative humidity:
5%-90%
Atm. Pressure:
86Kpa to 106Kpa
Protection Class:
IP65 (Standard)
Explosion class:
ExdIIBT6 or ExiaIICT4