Digital Differential Pressure Transmitter (MEMS sensor)

Regular price R 1,330.00

Please see below for full description and specifications about the product.

Furthermore, all variations are not listed on the site, we have every variation of this product, if you're looking for something that is not listed here, you can click on the link below for the full catalogue with all variations.


*Please note, all our prices listed on the webiste are subject to fluctuation due to exchange rates and the prices listed are what you can more or less expect for a price. You can purchase right now through a non-obligation invoice, alternatively you can request an immediate free quote.

The DPT321 and the DPT321specifications are equal except on measurement range. 

The DPT321Z's measuring range =  -125/250/500-0-125/250/500 Pa

The DPT321's measuring range =  0-125/250/500 Pa

This differential pressure transmitter applies a high-accuracy MEMS sensor and digital technology.

It can measure positive, negative, or differential pressure and is suitable for a wall mount. 

The Differential Pressure Transmitter measures system pressure of fans, blowers, filters, furnace drafts, and orifice plates.

Measuring Range: -125/250/500-0-125/250/500 Pa

Output: 4-20mA

Medium: non-combustible, non-corrosive air, insensitive to moisture, dust, condensation, and oil.

Working Temp: -20~70°C

Medium Temp:0~60°C

Temp. Compensation: 0~50°C

Working Pressure: overload 10xFS, burst 15xFS

Accuracy: ±1.0%FS(±2.0%FS@25Pa range)

Long term stability: ±0.5%FS/Year

Thermal effect: <0.05%FS/°C (zero), <0.08%FS/°C (FS)

Response Time: 0.5~30s, can be set by keys

Process Connection: 5mm ID tubing

Display: 5 digits LCD, display area 44x18mm, with unit indication, field upgradable

Output: 0~10V, 4~20mA (2 wires), 0~5V, RS485 selectable

Output Load: ≤500Ω (current), ≥2kΩ (voltage)

Power: Voltage: 16~28VAC/ 16~35VDC

Current: 18.5~35VDC (RL=500Ω); 8.5~35VDC (RL=0Ω) 

Units: 5 units, selected by keys

Zero set: easy to reset by an external key

Materials: ABS (housing) & PC (cover)

Protection: IP54