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3G Electric
Dwyer Transmitter 645-3 - Measurement
DwyerMeasurement

Dwyer Transmitter 645-3

Dwyer 645-3 is a pressure transmitter for industrial process monitoring, delivering ±0.25% accuracy across 0 to 0.69 bar range with 30 to 50 ms response time. IP65-rated stainless steel/aluminum enclosure suits…

SKU 3G-CBM-02201

Brand
Dwyer
Item
Transmitter 645-3
Category
Measurement
UNSPSC
41112412 — Pressure gauge
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Technical specs
1-Day Quote
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Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

Dwyer
accuracy
±0.25%
ip rating
IP65
connection
1/4"-18 femelle NPT
response time
30 à 50 ms
pressure range
0 à 10 psid
loop resistance
0 à 1000Ω
enclosure material
Acier inoxydable/aluminium
pressure range bar
0 à 0.69

Technical Documents

(1)
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Dwyer Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

Dwyer 645-3 is a pressure transmitter for industrial process monitoring, delivering ±0.25% accuracy across 0 to 0.69 bar range with 30 to 50 ms response time. IP65-rated stainless steel/aluminum enclosure suits demanding environments requiring reliable differential pressure measurement.

Frequently Asked Questions

Where can I buy a Dwyer 645-3 pressure transmitter worldwide?

Order the Dwyer 645-3 from 3G Electric, an authorized Dwyer distributor. We handle worldwide delivery, logistics, and customs clearance for industrial transmitters and process instrumentation globally.

What is the lead time for the Dwyer 645-3 transmitter?

Lead time on request. 3G Electric sources the Dwyer 645-3 pressure transmitter as part of our worldwide assortment. Contact us for availability and delivery schedule to your location.

What accuracy and pressure range does the Dwyer 645-3 deliver?

The Dwyer 645-3 offers ±0.25% accuracy across a 0–0.69 bar (0–10 psid) measurement range with 30–50 ms response time, making it suitable for precise industrial differential pressure monitoring in demanding environments.

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
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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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