Means of Payment
For your convenience, we accept multiple payment methods in USD, including PayPal, Credit Card, and wire transfer.
RFQ (Request for Quotations)
It is recommended to request for quotations to get the latest prices and inventories about the part.
Our sales will reply to your request by email within 24 hours.
IMPORTANT NOTICE
1. You’ll receive an order information email in your inbox. (Please remember to check the spam folder if you didn’t hear from us).
2. Since inventories and prices may fluctuate to some extent, the sales manager is going to reconfirm the order and let you know if there are any updates.
Technical Datasheet: Model R3550A
| Category | Specification | Details / Value |
|---|---|---|
| General | Model Number | R3550A |
| Product Name | Advanced Digital Pressure Transmitter | |
| Parent Model | R3550 | |
| Performance | Pressure Range | 0 – 100 psi (standard), other ranges available |
| Output | 4-20 mA (2-wire), HART® Protocol Enabled | |
| Overall Accuracy | ±0.25% Full Scale Span (FSS) | |
| Long-Term Stability | ±0.1% FSS per year | |
| Operating Temperature | -40°C to +85°C (-40°F to +185°F) | |
| Electrical & Physical | Power Supply | 12 – 36 V DC (loop powered) |
| Process Connection | 1/4″ NPT Female | |
| Housing Material | 316 Stainless Steel | |
| Weight | 450 g (0.99 lbs) | |
| Key Enhancement (A) | New Feature | Integrated LCD Display for local readout |
| Improvement | Enhanced EMC Immunity per IEC 61326-3-1 |
Shipping Method
Currently, our products are shipped through DHL, FedEx, SF, and UPS.
Delivery Time
Once the goods are shipped, estimated delivery time depends on the shipping methods you chose:
FedEx International, 5-7 business days.
The following are some common countries’ logistic time.

Mon–Fri 8:00 AM–05:00 PM
Sat–Sun Closed