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DESCRIPTION The Type AV2 Electro-pneumatic positioner receives a 4-20 mA input from a controller and converts the signal via an I/P Converter to a pneumatic output that positions a power actuator. The AV2 can be adjusted by the user to automatically default to a full open or closed position in case of input signal loss. Type AV2 positioner can be equipped with either an optional potentiometric or a 4-20 mA position transmitter.
FEATURES
• Withstands vibration and shock at frequencies to 120 Hz and accelerations to 2G • Low air consumption
• Can control both single and double-acting, linear and rotary type actuators • Split range capability allows sequencing of multiple actuators using a single control signal • Simplified reverse operation
• Continuously adjustable span and zero for each stroke level • Adjustable speed control of actuator without additional hardware
• Standard model has high delivery capacity and Performance Series increases speed of response even more • Vent design allows natural gas operation • The Type AV27 positioner available with explosion proof I/P converter • NEMA 4X version available • Optional manifold assembly
• Large array of accessories available to customize for specific applications
SPECIFICATIONS Input range¹
Input impedance Nominal
Maximum
Accuracy² Resolution Hysteresis²
Repeatability² Deadband² Linearity² Weight
4 to 20 mA
215O at 22ºC (72ºF) 245 O at 60ºC (140ºF) 0.90% of span maximum 0.30% of span maximum 0.70% of span maximum 0.50% of span maximum 0.30% of span maximum 0.70% of span maximum
2.32 kg (5.11 lb) standard, 2.95 kg (6.51 lb) explosionproof
Temperature limits Operating and storage:-20ºC to 82ºC (-4ºF to 180ºF)³ Humidity limits
Operating and storage: 0% to 95% noncondensing
1. Units have 50% range suppression and/or zero elevation capability. 2. Tested according to ISA-S75. 13-1989.
3. For operation below 4.4ºC (40ºF), dew point of supply air must be 10ºC (18ºF) lower than lowest expected operating temperature.