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ESF-35-2 Greystone

Product Id# ESF-35-2 Greystone

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The Greystone ESF-35-2 is a duct-mounted airflow transmitter that measures air velocity using a thermal principle.

Description

The Greystone ESF-35-2 is a duct-mounted airflow transmitter that measures air velocity using a thermal principle and converts it into a linear analog signal for HVAC control and monitoring systems.

Key Specifications

Model: ESF-35-2
Measurement Principle: Thermal — based on air cooling effect on a heated sensor
Air Velocity Range:
- Default: 0–8 m/s (0–1575 ft/min)
- Optional: 0–16 m/s (0–3150 ft/min) by removing onboard jumper
Output Signals:
- Flow: 4–20 mA or 0–10 VDC (jumper selectable)
- Temperature (optional): 0–10 VDC
Accuracy: ±5% of full scale
Response Time: Fast response for dynamic airflow changes
Power Supply: 24 V AC/DC

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