Dwyer Transmitter 645-4
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
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Delivery
- Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
- Ships to
- Singapore
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Product Description
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 pneumatic and hydraulic control systems.
Frequently Asked Questions
What is the Dwyer 645-4 pressure transmitter used for?
The Dwyer 645-4 is a differential pressure transmitter for industrial process monitoring, including filter status, pump flow control, HVAC systems, and liquid level measurement. It handles gases and liquids compatible with wetted materials, delivering a 4–20 mA output proportional to differential pressure.
What are the specifications of the Dwyer 645-4?
The Dwyer 645-4 offers ±0.25% accuracy, IP65 stainless steel/aluminium housing, 0–25 psid (0–1.72 bar) range, 1/4 inch NPT female connection, 30–50 ms response time, and 0–1000 Ω loop resistance. It requires 11–30 VDC power and has CE approval.
Where to buy the Dwyer 645-4 in Singapore?
3G Electric supplies the Dwyer 645-4 pressure transmitter to Singapore. We handle logistics, customs clearance, and local delivery. Contact our team for pricing and lead time on this SKU (3G-CBM-02202).
How to install the Dwyer 645-4 pressure transmitter?
Mount the Dwyer 645-4 using the 1/4 inch NPT female connections on both high and low pressure ports. Use the bleed screws to vent trapped air. For ease of installation and maintenance, Dwyer recommends an optional 3-valve manifold. Ensure electrical wiring to the terminal block meets 11–30 VDC supply.
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3G Electric supplies Dwyer measurement. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
