Is the Dwyer Transmitter 645-4 available from 3G Electric?

Yes — 3G Electric supplies genuine Dwyer products with in-stock availability on common SKUs and worldwide shipping.

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Dwyer Transmitter 645-4

Name: Dwyer Transmitter 645-4
Brand: Dwyer
SKU: 3G-CBM-02202
Availability: BackOrder

The Dwyer 645-4 is a pressure transmitter for industrial process monitoring, offering ±0.25% accuracy and IP65 rating. It handles 0–25 psid with 1/4 inch NPT female connection and 30–50 ms response time, fitting…

SKU 3G-CBM-02202

Brand

Dwyer

Item

Transmitter 645-4

Technical Specifications

Dwyer

housing

stainless steel/aluminium 

accuracy

±0.25% 

ip rating

IP65 

connection

1/4 inch NPT female 

pressure kpa

0-1.72 

response time

30-50 ms 

pressure range

0-25 psid 

loop resistance

0-1000Ω 

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Dwyer Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

Used in

Common applications for Dwyer

Combustion air-filter monitoring — Magnehelic Series 2000 on burner air-intake filter banks

Clean-room and pharmaceutical pressurisation — Magnehelic / Capsuhelic differential-pressure gauges

HVAC fan-discharge static pressure — Mark II inclined-vertical manometers on AHU test points

Filter-blockage alarms — Photohelic Series 3000 combined gauge/switch on air-handling units

BMS-integrated pressure monitoring — Digihelic DH3 with 4–20 mA output for building management

Dwyer Products

3G Electric supplies Dwyer measurement. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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