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Wireless Data Loggers for Temperature and Humidity

wireless data loggers temperature and humidity

Temperature and humidity data matters in more places than you'd think. From a cold storage room in a medical warehouse to a server rack in a busy office, small shifts can lead to big problems. Kingmach's wireless data loggers take the hassle out of manual checks. These units transmit readings to a central system, so you're not walking around with a clipboard every hour. They cover a typical industrial range of -20°C to 60°C and 0% to 100% RH, matching what most monitoring environments demand. The wireless side usually runs on 2.4 GHz or sub-GHz frequencies, with a clear line-of-sight range up to 100 meters indoors—enough to cover a medium-sized warehouse floor. Setup doesn't ask for engineering skills; you mount the logger, link it to the receiver, and data starts flowing. Alarms can be set to trigger at user-defined limits, and the system sends alerts by email or SMS if something drifts. Projects vary, so Kingmach offers customization on sensor probes, logging intervals, and even enclosure material.

Technical Detail

Configured around process stability, mold life, and long-term uptime.

Kingmach designs these wireless data loggers to fit into existing workflows without a lot of fuss. The sensor head typically uses a combined digital chip that measures both temperature and relative humidity, with a standard accuracy of ±0.3°C and ±2% RH across the common range. Logging intervals can be set from 1 second to 24 hours, and the internal memory holds up to 8,000 readings per channel, so you won't lose data during a network blip. Power comes from a user-replaceable lithium battery that lasts roughly 12 months under a 5-minute logging cycle—no wiring needed. Wireless transmission often uses a proprietary protocol layered on the ISM band, which keeps interference low and sync simple. The receivers aggregate data and pass it to software or a local display. You can pull reports by date range or channel, and export them as CSV for your own analysis. For sites that need more than just temp and humidity, Kingmach integrates these loggers with other monitoring instruments from their geotechnical portfolio—think structural tilt or water level—so you're not stuck managing separate dashboards. Technical support is available directly from the manufacturer, and the global distribution network means spare sensors or replacement units won't leave you waiting for months.

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FAQ

Common technical questions

What wireless range can I expect indoors?

Typically up to 100 meters in open indoor spaces, assuming no thick concrete walls or heavy machinery interference. In a standard office or warehouse, 50–70 meters through drywall and light shelving is more realistic. For larger sites, you can add repeaters to extend coverage.

How often do the loggers send data, and can I change it?

Transmission intervals are configurable, from every minute to once a day. Shorter intervals use more battery, so we suggest 5 or 10 minutes for active monitoring. The setting is adjustable through the software, and you can even set different intervals for different loggers.

Are these loggers suitable for pharmaceutical cold chain monitoring?

Yes, they cover the required -20°C to 60°C range and include high/low alarm functions. For GxP environments, you'll want to lock down calibration intervals; Kingmach can pre-configure and send calibrated units with a traceable certificate upon request.

How many loggers can I connect to one receiver?

It depends on the specific model, but most receivers handle up to 32 loggers on the same network. If you need more, multiple receivers can be linked to the same software platform to scale up to hundreds of points.

What happens if the wireless connection drops?

Each logger has local memory to store readings until the connection is restored. Once reconnected, it automatically backfills the missing data to the system, so you don't end up with gaps. Battery-backed clock keeps timestamps accurate even during outages.

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