Industrial LoRaWAN® Temperature & Humidity Sensor

It measures the air temperature and relative humidity of a space and sends the readings over LoRaWAN® to a gateway that may be kilometres away, so cold rooms, pharma stores, warehouses, server rooms and sheds are monitored without mains power, Wi-Fi or a SIM at each point. The MacSync LTS X1 is the industrial version: factory calibrated, IP65, on a 19 Ah battery or 9–36 V DC, with an internal sensor or an external probe.

±0.3 °C from 0 to +70 °C and ±0.6 °C from −30 to 0 °C, with 0.1 °C resolution; ±3 % RH from 10 to 90 % RH and ±5 % RH outside that band, with 0.5 % RH resolution. Each unit is factory calibrated, so these figures apply out of the box without a field adjustment.

Every MacSync LTS X1 is calibrated at the factory before it ships. If your quality programme needs a calibration certificate or a periodic recalibration schedule, tell us when you order and we will set out what can be supplied for your batch.

Yes. The internal sensor measures down to −30 °C and the housing works from −40 to +80 °C, so a chiller or cold room at 2 to 8 °C takes the standard unit on the wall. For a freezer, order the external probe variant: the probe goes inside while the transmitter and the battery stay in the aisle, where the radio signal is stronger and the cell is warmer.

A fridge or chamber takes the external probe variant, with the probe inside and the transmitter mounted beside the door. A pharma store or warehouse at 15 to 25 °C takes the internal sensor, one per zone and one near the door. Both are read at the interval your programme specifies, with threshold alerts on the high and low limits.

Not with this sensor: its measuring range is −30 to +70 °C. For an ultra-low freezer, a blast chiller, an oven or a pipeline, use the MacSync LRTD X1, a LoRaWAN RTD sensor that reads a PT100 probe from −200 to +850 °C with the same radio, battery options and Maya app setup.

The datasheet estimates for the 19 Ah Li-SOCl₂ cell are about 2 years at 5-minute reports, about 4 years at 15-minute reports and 7+ years at hourly reports, because the sensor sleeps at about 100 µA between readings. A threshold alert adds an uplink only when a limit is crossed. Where a supply exists, the 9–36 V DC variant removes the question.

Li-SOCl₂ cells are used because they keep working well below zero, and the housing is rated to −40 °C. Cold does reduce the charge a cell can deliver, so for a freezer we recommend the probe variant, which keeps the battery outside in the aisle, and for a continuously cold mounting point we size the interval with you. Ask for an estimate for your temperature and interval.

Yes. The 19 Ah cell connects to the board inside the housing and is swapped on site for a cell of the same type, so the sensor stays where it is mounted; the user manual shows the procedure.

From the internal antenna at 23 dBm, about 2 km across a built-up site and up to 8 km with a clear line of sight to the gateway. Inside a warehouse the signal passes walls and racking, so one gateway on the roof usually serves the whole site. Mount the gateway high and use the Maya app's network test to check the signal at each mounting point.

Out of a panelled cold room, usually yes; out of a steel freezer or a walk-in with a metal lining, often not. That is the reason for the external probe variant: the transmitter stays outside the metal box and only the probe goes in. Check the signal at the intended spot with the Maya app before fixing the bracket.

Hundreds at a routine interval. A reading every 15 minutes is a short uplink, and a LoRaWAN® gateway receives on several channels at once, so a site with cold rooms, stores and racks normally needs one gateway for coverage, not for capacity. The gateway and coverage calculator on this site works it out for your interval and area.

Yes, unless you choose a MacTalk variant. Any LoRaWAN® gateway works: the Setu X1 indoors or the MacLink Gen-2 outdoors from Macnman, or a gateway you already run. The MacTalk variants (8103 and 8104) send the reading straight to another Macnman device, such as a MacSet controller, with no gateway at all.

Any standard one. The MacSync LTS X1 is a LoRaWAN® v1.0.4 device with OTAA activation and AES-128 encryption, so it joins ChirpStack, The Things Stack, LORIOT, Orbiwise, Netmore or a private server. From the server the decoded readings travel on by MQTT or HTTPS to your dashboard, SCADA or quality system.

Yes, published on GitHub in the Macnman decoder repository: one codec file each for The Things Stack, ChirpStack v4 and Milesight gateways, each with the uplink decoder and the downlink encoder, plus a stand-alone encoder. The link is in the downloads section. Each uplink decodes to temperature, humidity, battery percentage and a UTC timestamp, and a sampling frame to its list of readings.

In the free Macnman Maya app over Bluetooth: pair with the sensor, set the reporting interval from 1 minute to 24 hours, choose periodic, threshold or hybrid reporting, and enter the high and low limits for temperature and humidity. Live values show on the phone, so the placement is checked on the spot. Once the site is live, the interval, the limits and the sampling count can be changed by downlink from the network server; the downlink table on this page lists the commands.

The sampling interval is how often the sensor takes a reading; the reporting interval is how often it sends. In sampling mode the sensor takes several readings between uplinks and sends them together, so the record keeps the detail of a 5-minute trend while the battery pays for an uplink every 15 or 30 minutes.

They are kept on the sensor as well as sent, so an outage does not open a gap in the history. The stored log is read back in the Maya app. Your network server and dashboard hold the long-term record once the link is back.

Every telemetry uplink carries the battery level in percent and a UTC timestamp, so the dashboard can show both per sensor. Set an alarm on the server for a sensor that has not reported within two or three intervals, which catches a dead battery, a blocked signal or a removed unit, and a second alarm on the battery percentage so the cell is swapped before it runs out.

It provides the readings: timestamped temperature and humidity at the interval you set, delivered to your network server and platform, where the storage history, reports and alert logs are kept. Whether that record satisfies a given standard depends on the limits, intervals and retention your programme specifies, so set those with your quality team and we will confirm the sensor settings.

It reports temperature and relative humidity; dew point is calculated from those two on the server or dashboard. The sensor's operating condition is 0 to 100 % RH non-condensing, so a zone that runs saturated for long periods, such as a wet cold room, is better read with the external probe variant with the transmitter outside.

Because the air in a cold room is often at or near saturation, and once water condenses on a sensing element it reads 100 % until it dries. The specification above 90 % RH is ±5 % RH and the operating condition is non-condensing, so a wet room is better read with the external probe variant, which keeps the transmitter outside. A sensor that has been wetted usually recovers as it dries, but repeated condensation shortens its life.

Usually placement. A sensor near an evaporator, a door or a sunlit wall reads that spot, not the room average, and a probe takes a few minutes to settle after a door opening. Mount the sensor where the stock is, away from the cooler outlet, let it settle, then compare at the same height and time.

Yes, Class C is set in the Maya app. For a battery sensor it is rarely worth it: a temperature sensor sends alerts on its own and needs few commands, and Class C keeps the receiver open, which shortens battery life. Class A, the default, delivers a downlink after the next uplink, which is enough for an interval change.

Wi-Fi loggers need coverage inside every cold room and a password on every unit, and Wi-Fi drains a battery far faster. GSM loggers need a SIM and a data plan at every point and coverage inside the building. LoRaWAN® needs one gateway on the roof and then reaches every zone for years on a battery, which is why it suits a site with many cold rooms or a store spread over a campus. For a few rooms in a building that already has Wi-Fi and no gateway, the MacSync WT1 Wi-Fi sensor is the simpler choice.

Both, in practice. The names overlap: a LoRaWAN temperature data logger and a LoRaWAN temperature sensor both report readings over the network, and the MacSync LTS X1 also keeps readings on the device. What it is not is a stand-alone USB logger that is collected and downloaded by hand.

Yes. The glass-filled nylon housing is IP65 as standard with an IP67 variant to order, and the sensor operates from −40 to +80 °C. Outdoors, mount it shaded on a post or wall; a sensor in direct sun reads the sun, not the air.

On a wall, stick the reference tape from the box where the sensor will go, drill on its two marks and screw the bracket on; the sensor slides down into the bracket until it locks. On a pole, thread plastic or stainless steel zip ties through the mounting clip and pull them tight. No cable runs into the zone, so a sensor is moved when the racking changes.

183 × 62 × 43 mm and about 175 g, in a matte white glass-filled nylon housing with an internal antenna. It sits between racks, on a cold-room wall or inside a panel, and a zip tie holds it on a pole.

Five, all with the same sensing. 8101 MacSync-L-TH-BS-X1 is the LoRaWAN® battery variant for cold rooms, stores and sheds with no supply. 8102 MacSync-L-TH-PS-X1 runs on 9–36 V DC for AHUs, panels and plant rooms. 8104 and 8103 are the MacTalk device-to-device variants on battery and DC, for sites with no gateway. 8105 MacSync-B-TH-BS-X1 reads over Bluetooth to a phone, for local logging. Add the external probe where the sensor must reach into a freezer or chamber.

Not by itself; it reads and reports. Switching is done by the network server's rules, or on site by a MacSet controller that receives the reading over MacTalk and drives its relays, with no gateway in between.

On IN865, the 865 to 867 MHz plan for LoRaWAN® in India, with a WPC compliant radio. The MacSync LTS X1 is designed, built and calibrated by Macnman Technologies in Pune and conforms to RoHS; for projects outside India the same sensor is supplied on RU864, EU868, US915 or AU915.

On the figures the manufacturers publish, the sensing accuracy of the EM300-TH is the same as the MacSync LTS X1 and the LHT65N is close. The differences are around the sensing: the MacSync LTS X1 is also supplied as a 9–36 V DC variant and as MacTalk variants with no gateway, has an operating range to +80 °C, is configured from a phone app, and is made in India for IN865 with support from Pune. The comparison table on this page gives the figures and the full comparison page lists the sources.

The sensor, a mounting clip, mounting screws, a user manual and a warranty card; an IP68 cable extender and a power adapter are ordered separately. Macnman hardware carries a two-year limited warranty against manufacturing defects from the invoice date; the battery is a consumable and is not covered.