The ZARC pressure tag is a wireless IoT pressure sensor. It reads the pressure in a cylinder, line, vessel or system continuously and reports it in real time, in bar, psi or whichever unit you work in. It alerts on high and low limits, and on pressure that is slowly bleeding away or slowly building. If it carries a pressure gauge, it can be monitored.
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A pressure gauge only tells the person standing in front of it. Most are read on a weekly walk-round, a monthly check or an annual service, and a cylinder that loses a little each day looks fine at every glance until it is empty. The tag reads the same pressure around the clock and puts it on a screen that is watched.
Four kinds of alert cover the ways pressure goes wrong: a high limit, a low limit, a slow fall that points to a leak, and a slow rise that points to heat, a blocked relief path or a failing regulator. The limits and the rates are set per tag, on the platform, to suit the system being watched.
The sensor is specified to the requirement: the range, the unit, the accuracy and the materials in contact with the medium. Tell us what the system carries and the pressure it runs at, from a low-pressure water line to a high-pressure gas cylinder, and the sensor is chosen to match.
02
Anything that holds or carries pressure, and anything with a pressure gauge on it, can be watched in real time. These are the systems we are asked about most, and they are a small part of the list.
Gaseous suppression cylinders, sprinkler installations and pump sets can lose pressure silently between services. Continuous readings show the loss while there is time to put it right. This is complementary monitoring and does not replace statutory servicing or inspection.
Firefighting water systems sit unused for months and are only proven when they are needed. Pressure on a wet riser, a hydrant main or a sprinkler main is easy to watch and hard to check by hand.
A compressed air system that holds pressure overnight with nothing running is sound. One that falls is leaking, and every leak is paid for in electricity at the compressor. The slow-fall alert finds it.
Booster sets, pressurisation units and pumped supplies keep water moving to upper floors and remote buildings. Low pressure on the outlet is the first sign of a pump fault, before the complaints arrive.
Industrial gases, inert gases, medical gases and beverage gas all sit in cylinders and manifolds that run down. A falling reading warns before the last cylinder empties, and a slow fall with nothing drawing shows a leak.
Hydraulic power packs, accumulators and pneumatic lines on plant, lifts and machinery. A drop or a creep in pressure shows a seal, a valve or a pump starting to fail.
Sealed heating and chilled water systems lose pressure through small leaks until the boiler or chiller locks out. Watching system pressure turns a cold building into a top-up visit.
A drop in pressure on an incoming main is the earliest sign that a supply has failed or a main has burst. Across a multi-site estate, it tells the estates team which sites have lost water or gas before anyone phones in.
Air receivers, expansion vessels and process vessels hold stored energy. A reading that drifts out of its band is worth knowing about long before the next examination under the written scheme, and the history is there for the examiner.
Pumping stations, gas installations, pipeline plant and pressurised systems on unmanned sites, where pressure outside its band is a safety question as well as an operational one.
03
The sensor goes where the pressure is, and the tag goes where it is convenient, joined by a cable. Anywhere a gauge can be fitted, the sensor can be fitted. Typical positions:
On the gauge port of a cylinder, vessel or manifold, where the existing dial comes off and the sensor goes on.
On a tee next to the existing gauge, so staff keep the dial they know and the reading also goes to the dashboard.
On a tapping in a water, air, gas, oil or hydraulic line, on either side of a pump, filter, valve or regulator.
Booster sets, sprinkler pump houses, compressor rooms and boiler rooms, often below ground and out of reach of other networks.
Kiosks, compounds, pumping stations and pipeline plant, with the tag in an enclosure specified for the location.
Hundreds of pressure points over many sites, each on the same dashboard with its own limits and alert routes.
04
Every pressure point shows its live reading and a trend that runs from the last hour to the last year. The dashboard works out the minimum, maximum and average over any period, the rate at which pressure is rising or falling, how long each point has spent outside its band and, at the current rate of fall, roughly when it will reach its low limit. Views, units and statistics are set to what you want to see, and everything exports for reports, service records and insurers.
Limits are set per tag on the platform: high, low, slowly falling and slowly rising. When a reading crosses one, the alert is raised in real time and goes by email or SMS, and through an app where required, to the people you name, with escalation to further contacts.
05
Pressure matters in every sector that stores gas, moves water or runs plant, including:
Pressurised plant on unmanned sites, where a reading outside its band has to reach someone at once.
Water and gas pressure at pumping stations, kiosks, boosters and incoming supplies.
Compressed air, hydraulics, process lines and gas manifolds on the factory floor.
Sprinkler mains, risers, booster sets and sealed heating systems across a portfolio.
Medical gas manifolds, heating and water pressure where a failure reaches patients.
Gaseous suppression cylinders and chilled water pressure protecting the white space.
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| Parameter | Specification |
|---|---|
| Measurement | Pressure, read continuously and reported in real time |
| Pressure type | Gauge as standard; absolute or sealed where the system needs it |
| Units | bar, mbar, psi, kPa or MPa, set per tag |
| Range | Specified to the requirement, from low-pressure lines to high-pressure cylinders |
| Accuracy | Specified to the requirement |
| Media | Water, air, oil, hydraulic fluid, inert and industrial gases; wetted materials chosen to the medium |
| Connection | Threaded to suit the gauge port or line, for example BSP or NPT |
| Fitting | In place of a gauge, alongside it on a tee, or on a dedicated tapping |
| Sensor position | At the pressure point, cabled to the tag |
| Reporting interval | Configurable, down to every minute |
| Limit alerts | High and low limits, set per tag on the platform |
| Trend alerts | Pressure slowly falling or slowly rising, at a rate you set |
| Alert delivery | Dashboard, email or SMS; app where required |
| Recipients | Named people and groups, with escalation to further contacts |
| Missed reports | A silent tag is flagged in the dashboard |
| Gateway power loss | Raises its own platform alert |
| Dashboard | Live reading, trends, min/max/average, rate of change, time outside band; configured to your requirement |
| Data | Full reading history, exportable; UK-hosted or on servers on your own site |
| Power | Internal battery, up to five years depending on reporting interval |
| Radio | 433 MHz, one-way (transmit only) |
| Environment | Indoor or outdoor, enclosure specified to the location |
| Enclosure | Standard or built to the site; bespoke moulding for volume orders |
| Charges | No per-alert, per-user or licence charges |
| Manufacture | Made to order in the UK |
| Certification | CE marked |
07
You tell us what the system carries, the pressure it runs at, the limits that matter and who needs to know.
We specify the sensor range, unit and connection, and set the limits, trend rates and alert routes.
The sensor goes on the gauge port, a tee or a tapping, and is cabled to a tag mounted nearby.
We compare the first readings with the existing gauge and send a test alert to every recipient before handover.
Ready to get started? Every deployment begins with a site survey.
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Each reading goes over 433 MHz radio to a ZARC gateway and on to the dashboard, where the limits and trend rates are checked and alerts are sent. The tag only transmits; with no receiver on board, nothing can alter its settings or reach it over the air.
Pressure across a filter, duct or barrier rather than in a line.
Barometric or room pressure where a space must hold its pressure.
How much is left in a tank, where pressure shows how hard it is pushing.
Warns when the compressor, booster or pump behind the pressure loses its supply.
Anything that holds or carries pressure: cylinders, vessels, manifolds, pipework, compressed air, water boosters, fire suppression and sprinkler systems, hydraulics and sealed heating systems. If it has a pressure gauge, it can be monitored.
bar, mbar, psi, kPa or MPa. The unit is set per tag, so each system reads in the unit its engineers already use.
The sensor is specified to the requirement, from low-pressure water lines to high-pressure gas cylinders. Tell us the working pressure and we choose the range to match.
Yes. A slow-fall alert is set as a rate, so a cylinder or system losing a little each day raises an alert long before it reaches its low limit.
Yes. There is a high limit and a separate slow-rise alert, which catches pressure creeping up from heat, a blocked relief path or a failing regulator.
No. The sensor can go in place of the gauge, alongside it on a tee, or on its own tapping. Many sites keep the dial for staff and send the reading to the dashboard as well.
In real time, at an interval you set down to every minute. A shorter interval uses more battery.
No. The tag runs on an internal battery for up to five years, depending on the reporting interval.
Yes, as complementary monitoring. It gives continuous visibility of cylinder and system pressure between services and does not replace statutory servicing or inspection.
Yes. Every pressure point on every site reports to the same dashboard, each with its own limits, units and alert routes.
On a UK-hosted dashboard, or on servers on your own site where required. The full reading history exports for reports and service records.
No. There are no per-alert, per-user or licence charges.
Looking for something else?
Most sensing needs are met by a tag we already build, configured for your equipment. If yours needs a sensor or interface we don't list, we have the engineering to build it. Tell us what you need to measure, and we will tell you how we would do it.
Discuss your requirementTell us what is happening on site, what you need to see, and the event you need to hear about. We will come back with the system that answers it.
Direct contact
Location
Venator House, Unit 9, 15-17 St Stephen's Road, Bournemouth
Dorset, BH2 6LA · VAT GB 409644484
Products contact
Direct to the team that designs and builds the range. Tell us the equipment and the event that matters.