Temperature Sensor Manufacturer — Temp and Humidity Sensor OEM/ODM
深圳星廖智能科技有限公司
深圳星廖智能科技有限公司
A smart temperature sensor, often combined with humidity, reports ambient readings to a hub so heating, cooling or alerts can be automated. Xingliao, a Shenzhen manufacturer founded in 2014 with 110 staff, makes Zigbee and Wi-Fi temperature and humidity sensors with interchangeable housings for OEM programmes.
A temperature and humidity sensor is the cheapest device in a smart home range and the one most often bought for the wrong reason. As a display of a number it is nearly worthless — people glance at a phone instead. It earns its place when it drives something: a boiler, a dehumidifier, a fan, an alert that a server room or a wine cellar has drifted out of range.
XingLiao builds temperature and humidity sensors in Shenzhen in Zigbee 3.0, Wi-Fi and Matter over Thread variants, with 7 to 15 day sampling on existing platforms.
| Parameter | Standard build | Why it matters |
|---|---|---|
| Temperature range | -10 °C to +55 °C (wider on request) | Standard indoor range covers homes; cold chain needs a different sensor |
| Temperature accuracy | ±0.3 °C typical | Below ±0.5 °C the heating control loop starts hunting |
| Humidity range | 0–95 % RH | Condensation risk starts becoming relevant above 60 % |
| Humidity accuracy | ±3 % RH typical | Enough for comfort control and mould prevention |
| Sampling interval | Configurable, typically 5–30 minutes | Fast sampling sells battery life for no benefit |
| Reporting | Threshold and delta-based, plus periodic heartbeat | Delta reporting avoids flooding the hub with identical readings |
| Display | Optional LCD or e-ink on selected models | A display changes the buying decision in retail |
| Logging | History in app, exportable on selected platforms | Needed for compliance use in cold chain and care |
| Power | Coin cell or AAA, 1 year plus at default interval | Very cold environments shorten cell life sharply |
If a sensor is only displaying a number, ±1 °C is fine. If it is closing a control loop — switching a boiler or a dehumidifier — accuracy and placement decide whether the system behaves or hunts. A sensor reading 0.8 °C high will undershoot the setpoint and the room will never feel right, and the customer will blame the heating, not the sensor.
Two things determine real-world accuracy besides the chip: self-heating and placement. A sensor mounted above a radiator, in direct sunlight, or next to the electronics it is powered by will read high no matter how good the element is. We publish mounting guidance and, for control applications, recommend a verification against a reference thermometer before sign-off.
We also calibrate in production rather than relying on the datasheet, because the spread between uncalibrated commodity elements is larger than most buyers expect. If your application has a defined tolerance, tell us and we will confirm whether the standard platform can hold it.
Sampling every minute instead of every ten minutes multiplies radio traffic by ten for no practical benefit — indoor temperature simply does not move that fast. We default to delta reporting (report when the value moves beyond a threshold) plus a periodic heartbeat, which is how a coin cell lasts a year rather than a month. For cold-chain applications where a missed excursion is costly, we shorten the interval and accept the shorter battery life, because the consequence of missing an event outweighs the inconvenience.
One caveat worth putting in the manual: battery chemistry behaves differently below freezing. A sensor specified for a cold room will need a different cell and a shorter replacement interval, and quoting a standard figure there guarantees complaints.
Standard housings with your branding start at 500 pieces per colour. Firmware changes — reporting intervals, threshold logic, app branding, display content — begin around 3,000 to 5,000 pieces, with new tooling at 25 to 40 days.
These sensors are typically developed alongside door and window sensors, water leak sensors and a hub, and are frequently bundled into whole-home automation kits.
CE and RoHS for Europe, UKCA for Great Britain, FCC for the United States, PSE for Japan. Battery variants require UN38.3 transport documentation. Where a sensor is sold for any regulated monitoring purpose — pharmaceutical, food, or medical-adjacent — the buyer usually needs documented calibration, which we can provide at an added step in production.
Typically ±0.3 °C and ±3 % RH from a production-calibrated platform. Tell us your tolerance if the sensor closes a control loop rather than just displaying a value.
Yes, through scenes — a threshold triggers a switch, a valve, or a boiler relay. It is a sensor input to your automation logic, not a thermostat replacement by itself.
Almost always placement: above a radiator, in sunlight, or near a heat-producing device. Move it to an interior wall at about 1.5 m and away from draughts.
About a year at the default reporting interval. Shortening the interval shortens battery life proportionally; very cold environments shorten it further.
Yes in the app, and exportable on selected platforms — which matters for cold-chain and compliance uses.
500 pieces per colour on an existing platform; custom firmware or tooling from roughly 3,000 to 5,000 pieces.
Standard indoor housings are not weatherproof. There are weatherproof variants for greenhouse and outdoor use — specify at enquiry.
Local scenes run on the hub, so a threshold can still trigger a device during an outage. Remote alerts need a connection.
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