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A receiver is a pressure vessel sitting in a corner: it gets a gauge on the top and nobody looks at it until something else fails. A battery sensor on the drain or test port, read from a phone, makes the check something you can do in passing.

Two different jobs

• Leak detection over days — the slow drop from a compressor that cycles more often than it used to. A reading every day catches it; a gauge in the corner does not.
• Process pressure — if a machine needs to know receiver pressure continuously, that is a receiver configuration into the controller, not a phone check.

Range, stated plainly

The standard sensor is 0–500 kPa gauge (0–600 kPa absolute), about 5 bar. Typical workshop receivers run at 7–10 bar, which is above that: for those we specify a different sensor, or the customer uses a pressure reducing station to bring the measurement point into range. We will tell you which of the two applies before quoting.

What it gives you

• 2.4 GHz Bluetooth, no receiver — the phone is the reader. Nothing to mount or power.
• ±2 kPa accuracy, IP67, Ø21 × 16 mm valve-thread mounting.
• CR1632 replaceable, about 1.5 years — changed without re-pairing.
• Readings can be forwarded and recorded from the app, which is the part a gauge cannot do.

What it does not do

It does not certify the vessel, it does not replace the safety valve, and without a receiver it does not alarm. A pressure sensor is a monitoring device, not a safety device.

Specifications (BLE sensor, standard range)

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