Dwyer | SKU: 641B-4

641B-4 | Dwyer | Flow

Name: 641B-4
Brand: Dwyer
SKU: 641B-4
Price: 1048.61 USD
Availability: InStock

Dwyer Air Velocity Transmitter 641B-4

$1,048.61

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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
Display name 1	Data Sheet
Display name 2	Installation Instructions
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)
P21 delete flag	false
Product category	Flow
Product subcategory	Air Flow Meters & Switches
Restricted class id	NULL
Restricted item	false
Short desc	Dwyer Air Velocity Transmitter 641B-4
Supplier part number	641B-4
Ultra store sync us	Yes
Vendor active	Y
Vendor enabled	true

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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641B-4 | Dwyer | Flow

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