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Air Flow Meters & Switches  | SKU: 641B-4

641B-4 | Dwyer | Flow

Air Velocity Transmitter
$838.92
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641B-4 is backordered and will ship as soon as it is back in stock.

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Description

The Series 641B Air Velocity Transmitter uses a heated mass flow sensor suitable for dirty air flow applications. It has user-selectable ranges from 250 FPM (1.25 MPS) to 2000 FPM (10 MPS).

Product Specifications

Name Value
Application Air Velocity Transmitter
Category Dwyer
Data Sheet Download
Inv mast uid 133938
Product category Flow
Product subcategory Air Flow Meters & Switches
Short desc Air Velocity Transmitter
Supplier part number 641B-4

Features and Benefits

Response Time: Flow: 1.5 Seconds to 95 Percentage of Final Value (Output Filter Set to Min) | Service: Air and Compatible, Non-Combustible Gases | Digital Filter for Signal Damping | Humidity Limit: Non-Condensing | Application: Exhaust Stack Flow Monitoring, Air Control in Drying Processes, HVAC Air Velocity Measurements, Fan Supply and Exhaust Tracking, Clean Room Ventilation Monitoring | Temperature Limits: Process: -40 to 176 deg F (-40 to 80 deg C). Ambient: 32 to 140 deg F (0 to 60 deg C) | Accuracy: 5 Percentage FS Process Gas: 32 to 122 deg F (0 to 50 deg C); 6 Percentage FS Process Gas: -40 to 32 deg F and 122 to 212 deg F (-40 to 0 deg C and 50 to 100 deg C) | 4 to 20 mA Output | Ranges From 250 FPM (1.25 MPS) to 2000 FPM (10 MPS)

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