Low pressure

Low pressure

Product Description

Model: PRM

►For dry and non-aggressive pressure media, such as gas
►Zero-point correction available
►Iron- or chromium-plated and stainless steel: PRSM, PRSSM.DC

✔ Responsive after-sales service / Customizable / High quality / One-year warranty


Figure 1: 2.5" Bottom mount
Figure 2: 4" Bottom mount with flange
Figure 3, 4: 3" Lower back mount with flange
Figure 5, 6: 2.5" Center back mount with flange (black iron case and chromium-plated bayonet ring)
Figure 7, 8: 2.5" Center back mount with flange (all chromium-plated case)

Product Specification

Nominal size

2.5", 3", 4"

Scale ranges

0 … 300 mmAq to 0 … 5000 mmAq, or other equivalent units of pressure, vacuum or compound


ASME B40.1 Grade B ±3/2/3%

Process connection

Chromium-plated copper
1/4", 3/8", 1/2"; PT, G, NPT


2.5" Bottom mount: Black plating
2.5" Back mount: All chromium plated case, black iron case and chromium-plated bayonet ring
3", 4": All chromium plated case


2.5": acrylic; 3", 4": glass 


Aluminum alloy, black scale on white


Black aluminum alloy


Copper alloy

Capsule element

Copper alloy

Medium temperature

-20°C ... 60°C

Pressure limitation

Steady: 0.75 x full scale value
Fluctuating: 0.6 x full scale value

Product display-bottom mount type

Product display-lower back mount with flange

Related Products

Low differential pressure

SS case low pressure

Stainless steel low pressure