Dwyer 616W Series Micro Differential Pressure Transmitter
Two-wire 4-20mA micro differential pressure transmitter, accuracy ±0.25% FS, NEMA 4X (IP66) polycarbonate enclosure.
- Original Factory Genuine, Tenfold Compensation for Counterfeits
- Full Machine Warranty, Lifetime Maintenance
- In Stock, Shipped on the Same Day
The 616W Series is a two-wire micro differential pressure transmitter with accuracy ±0.25% FS, measuring positive pressure, negative pressure and differential pressure of air and non-combustible gases and outputting 4-20mA. The polycarbonate enclosure meets NEMA 4X (IP66), with optional LCD field display; zero and span can be adjusted via panel buttons.
| Parameter Name | Technical Specifications |
|---|---|
| Main specifications | |
| Medium | Air and non-combustible compatible gases |
| Material | Please consult the manufacturer |
| Accuracy | ±0.25% FS @ 77°F (25°C), display accuracy ±0.5%. |
| Stability | ±1% F.S./year |
| Temperature Range | 14 to 185°F (-10 to 85°C) |
| Pressure limits | See table |
| Power Supply | 10-35 VDC (2-wire) 17-36VDC or isolated 21.6-33VAC (3-wire) |
| Output Signal | 4-20mA (2-wire), 0-5VDC or 0-10VDC (3-wire) |
| Zero and span adjustment | Push buttons |
| Loop resistance | Current |
| Output | 0 to 1250 Ω max; voltage |
| Current consumption | 40MA max |
| Electrical connection | 3-wire pluggable European terminal block |
| Pressure connection | Hose fitting, dual connection size, 1/8" and 3/16" (3.12 and 4.76 Mm) ID rubber or Vinyl tubing |
| Protection rating | NEMA 4X (IP66) |
| Installation positioning | Any orientation |
| Weight | 8.8 Oz. (249 G) without LCD; 9.6 Oz (272 G) with LCD |
| Certification body | CE |
| Model selection | |
| Selection table | The official website publishes a screenshot of the selection table; for complete model numbers and ranges, see the official manual "616W_1 iom.pdf" in the documentation package. |
- Accuracy ±0.25% FS (25°C), stability ±1% FS/year
- Two-wire 4-20mA output, 10-35 VDC supply
- NEMA 4X (IP66) polycarbonate enclosure, suitable for outdoor installation
- Optional LCD field display, panel push buttons for zero and span adjustment
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Dust collector and duct differential pressure monitoring
Monitors the differential pressure across bag filters to detect bag blockage or damage.
Need selection advice or bulk quotation?
Send us the working condition parameters (signal type, medium, range, pressure, temperature, connection method), and our engineers will provide a selection scheme and quotation within 1 working day.
- Phone consultation +86-21-66020232
- Email inquiry web@qishan-sh.com



