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Airpot Transducer

Airpot Transducer

Product catalog summary
General Specifications
The miniature I/P, E/P transducers from Accurate Force Pneumatics are available in five models: AFPT1, AFPT2, AFPT3, AFPT4, and AFPT5. These models offer various input options including 4–20 mA, 0–5 VDC, 0–10 VDC, 1–5 VDC, and 1–9 VDC. Output pressure ranges are available in both psig and bar, with specific ranges for each model. Supply pressure requirements vary across models, with ranges provided in both psig and bar.

Performance Specifications
The transducers guarantee an accuracy, hysteresis, and repeatability of ±0.10% of span. They have a deadband of 0.02% of span and show no measurable position or supply pressure effects. Vibration effects are minimal, with less than ±1.0% of span under specified conditions. Temperature effects are ±0.045%/°F (0.07%/°C) of span. The devices are protected against reverse polarity and RFI/EMI effects, with less than 0.5% of span change in output pressure.

Physical Specifications
The transducers feature a pneumatic port size of 1/4" NPT and an electric port size of 1/2" NPT. They require clean, dry, oil-free air filtered to 40 microns. Mounting options include wall, panel, pipe, or DIN rail. The housing is made of chromate-treated aluminum with epoxy paint, rated NEMA 4X (IP65). Elastomers are made of Buna-N, and trim materials include stainless steel, brass, and zinc-plated steel. The weight of each unit is 13 oz (0.4 kg).

Additional Features
The transducers incorporate a bimorph piezo actuator for protection against humidity and contaminants, and unique control and feedback circuitry for precise, stable output.
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Catalog excerpts

Airpot Transducer-1

ACCURATE FORCE PNEUMATICS Miniature I/P, E/P Transducer Specifications Standard Range AFPT 1 High Output Range Part Functional Specifications 1: General Specifications Inputs (when ordering, choose one by letter designation) Outputs (psig) Supply pressure (psig) Air consumption at mid-range typical* Operating temperature limits Storage temperature range Loop load, I/P transducer Supply voltage, E/P transducer Signal impedance E/P transducer 10 kilohms n * Zero-based units have slightly higher air consumption. Performance Specifications Accuracy, Hysteresis, and Repeatability Position effect Vibration effect Less than ±1.0% of span under the following conditions: 5–15 Hz @ 0.8 inches constant displacement; 1–500 Hz @ 10 g’s Supply pressure effect Temperature effect Reverse polarity effect RFI/EMI effect ± 0.045% / °F (0.07% / °C) of span No damage from reversal of normal supply current (4–20 mA) or from misapplication of up to 60 mA < 0.5% of span change in output pressure per En 61000–4–3:1998, Amendment 1, Performance Criterion A Physical Specifications Port size, pneumatic Port size, electric Media Mounting Housing material Clean, dry, oil-free, air filtered to 40 microns Wall, panel, 1.5" or 2" pipe (optional) or DIN rail (optional) Chromate-treated aluminum with epoxy paint, NEMA 4X (IP65) Elastomers Trim material Weight Buna-N Stainless steel; brass; zinc-plated steel 13 oz (0.4 kg) Other Important Information n A bimorph piezo actuator encapsulated in a protective skin provides constant defense against humidity and contaminants. Unique control and feedback circuitry provide precis

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.