Dwyer Transmitter 645-1
The Dwyer Transmitter 645-1 is a differential pressure transmitter for liquids, offering a 0–2 psid (0–0.14 bar) measurement range with ±0.25 % accuracy. It features a 3-valve brass manifold, 1/4"-18 female NPT…
SKU 3G-CBM-02199
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
Need installation or engineering help?
Ask a question
Product Description
The Dwyer Transmitter 645-1 is a differential pressure transmitter for liquids, offering a 0–2 psid (0–0.14 bar) measurement range with ±0.25 % accuracy. It features a 3-valve brass manifold, 1/4"-18 female NPT connection, stainless steel/aluminium IP65 enclosure, 30–50 ms response time, and 0–1000 ohm loop resistance. 3G Electric supplies this unit to Singapore and Southeast Asia industrial operations, handling full delivery and documentation.
Frequently Asked Questions
What is the Dwyer 645-1 transmitter used for?
The Dwyer 645-1 is a differential pressure transmitter for liquids, ideal for process control, filter monitoring, refrigeration, pump flow control, HVAC equipment, and liquid level measurement. It delivers a 4–20 mA output proportional to differential pressure with ±0.25% accuracy.
What are the specifications of the Dwyer 645-1?
The Dwyer 645-1 measures 0–2 psid (0–0.14 bar) with ±0.25% accuracy. It has a 3-valve brass manifold, 1/4"-18 female NPT connection, stainless steel/aluminium IP65 enclosure, 30–50 ms response time, and 0–1000 ohm loop resistance. Power required is 11–30 VDC.
Where to buy the Dwyer 645-1 in Singapore?
3G Electric supplies the Dwyer 645-1 to Singapore and Southeast Asia industrial operations. We handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this differential pressure transmitter.
How to install the Dwyer 645-1 transmitter?
Install the Dwyer 645-1 with the optional 3-valve manifold to facilitate zeroing and venting. Use 1/4"-18 female NPT connections on both high and low pressure ports. Ensure the IP65 enclosure is properly sealed and bleed screws are used to remove air from pressure cavities.
Used in
Common applications for DwyerDwyer 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.
