Wireless Data Loggers for Accurate Remote Monitoring and Reporting

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Pacific Sensor Tech supplies wireless data loggers built for accurate remote monitoring across Australia.Our WiFi and wireless data logging systems capture temperature, humidity, CO2, voltage, current and more — then stream readings to the cloud so you can view live data and receive instant alarm alerts from anywhere.
Whether you need a single WiFi temperature logger for a coolroom or a multi-channel wireless data acquisition (DAQ) and telemetry system for an industrial site, we stock trusted Comet and MadgeTech instruments backed by local calibration and support.

What is a wireless data logger?

A wireless data logger is a battery- or mains-powered device that records measurements from built-in or external sensors and transmits them wirelessly — over WiFi, RF or cellular — to a gateway, PC or cloud platform. Unlike USB loggers that must be physically collected, a wireless data logging system gives you continuous, real-time visibility and automatic alerts the moment a reading breaches your limits, which is essential for compliance-driven environments such as vaccine storage, pharmaceutical cold chain and food safety.

Pacific Sensor Tech supplies wireless data loggers built for accurate remote monitoring across...

  • MadgeTech RFRHTemp2000A wireless temperature and humidity data logger

    MadgeTech RFRHTemp2000A | Temperature and Humidity Data logger

    0 - 0 reviews

    Wireless temperature and humidity data logger wit…

    $ 934.50 Ex. GST
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  • MadgeTech RFTemp2000A Room Temperature data logger is cloud compatible.

    MadgeTech RFTemp2000A | Wireless Room Temperature Data Logger

    0 - 0 reviews

    The RFTemp2000A is a wireless ambient temperature…

    $ 827.95 Ex. GST
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  • COMET U0121G IoT wireless temperature data logger for 2 external probes, with built-in 4G modem.

    COMET U0121G | Temperature 4G Data Logger (2 External Pt1000 Probes)

    0 - 0 reviews

    IoT Wireless Temperature Datalogger for 2 externa…

    $ 1,489.50 Ex. GST
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  • COMET U0141G IoT Wireless Temperature Data logger for 4 external probes, with built-in 4G modem.

    COMET U0141G | Temperature 4G Data Logger (4 External Pt1000 Probes)

    0 - 0 reviews

    IoT Wireless Temperature Datalogger for 4 externa…

    $ 1,556.00 Ex. GST
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  • COMET U0141TG IoT wireless temperature datalogger for 4 external probes connected to the terminal board, with built-in 4G modem.

    COMET U0141TG | Temperature 4G Data Logger (4 External Pt1000 Probes, Terminal Board Connection)

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    IoT Wireless Temperature Datalogger for 4 externa…

    $ 1,509.50 Ex. GST
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  • COMET U0246G IoT wireless 4-channel thermocouple temperature data logger, with built-in 4G modem.

    COMET U0246G | Temperature 4G Data Logger — 4-Channel Thermocouple (3x TC + 1 External)

    0 - 0 reviews

    4G data logger for 3x thermocouples, 1x external …

    $ 1,565.00 Ex. GST
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  • MadgeTech RFVolt2000A wireless DC voltage data logger

    MadgeTech RFVolt2000A | Wireless DC Voltage Data Logger

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    Wireless voltage data logger, Available in 4 Meas…

    $ 882.50 Ex. GST
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  • COMET U0843G IoT wireless temperature data logger for 2 external probes connected to the terminal board, with two two-state inputs, built-in 4G modem.

    COMET U0843G | Temperature 4G Data Logger (2 External Probes + 2 Two-State Inputs)

    0 - 0 reviews

    IoT Wireless Temperature Datalogger for 2 externa…

    $ 1,556.00 Ex. GST
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  • MadgeTech RFPulse2000A wireless pulse data logger.

    MadgeTech RFPulse2000A | Wireless Pulse Data Logger

    0 - 0 reviews

    Wireless pulse data logger

    $ 613.75 Ex. GST
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  • MadgeTech RFCurrent2000A wireless current data logger

    MadgeTech RFCurrent2000A | Wireless Current Data Logger

    0 - 0 reviews

    Wireless DC current data logger, available in 3 M…

    $ 882.50 Ex. GST
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  • COMET U5841G 4G datalogger is designed to record 3 voltage inputs and 1 binary input.

    COMET U5841G | 4-Channel Voltage 4G Data Logger (3x 0-10V + 1x Two-State Input)

    0 - 0 reviews

    Data logger for 3 voltage inputs 0-10V and 1 two-…

    $ 1,569.50 Ex. GST
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  • COMET U6841G IoT wireless data logger for 3 current inputs and two-state inputs, with built-in 4G modem.

    COMET U6841G | Current 4G Data Logger (3 x 0-20mA + 2 Two-State Inputs)

    0 - 0 reviews

    IoT Wireless Datalogger for 3 current inputs 0-20…

    $ 1,569.50 Ex. GST
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  • COMET U7844G four-channel 4G data logger with two pulse inputs, two dry contact inputs and a built-in modem.

    COMET U7844G | 4-Channel Pulse 4G Data Logger (2x Pulse + 2x Dry Contact Inputs)

    0 - 0 reviews

    IoT Wireless Four channel Datalogger with pulse a…

    $ 1,559.50 Ex. GST
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  • EFENTO Temperature Logger NB-IoT

    EFENTO Temperature NB-IoT Data Logger

    0 - 0 reviews

    Remote temperature monitoring via NB-IoT

    $ 255.00 Ex. GST
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  • COMET U0110G IoT wireless temperature data logger with built-in sensor and 4G modem.

    COMET U0110G | Temperature 4G Data Logger (Built-in Sensor)

    0 - 0 reviews

    IoT Wireless Temperature Datalogger with built-in…

    $ 1,356.50 Ex. GST
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  • EFENTO Temperature Logger with probe NB-IoT

    EFENTO Temperature NB-IoT Data Logger (External Probe)

    0 - 0 reviews

    External probe temperature data logger, monitorin…

    $ 311.59 Ex. GST
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  • MadgeTech RFPRHTemp2000A wireless pressure logger

    MadgeTech RFPRHTemp2000A | Wireless Temperature, Humidity & Pressure Data Logger

    0 - 0 reviews

    Wireless pressure, humidity and temperature data …

    $ 1,309.89 Ex. GST
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  • EFENTO 0-10V sensor interface NB-IoT

    EFENTO 0-10V NB-IoT Sensor Interface

    0 - 0 reviews
    $ 345.91 Ex. GST
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  • EFENTO 4-20 mA sensor interface NB-IoT

    EFENTO 4-20mA NB-IoT Sensor Interface

    0 - 0 reviews
    $ 345.91 Ex. GST
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  • COMET U3120G IoT wireless temperature and relative humidity data logger, with built-in 4G modem

    COMET U3120G | Temperature & Humidity 4G Data Logger (Built-in Sensor)

    0 - 0 reviews

    IoT Wireless Temperature and Relative Humidity Da…

    $ 1,559.50 Ex. GST
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  • WiFi vs. RF vs. cellular

    Choose WiFi data loggers when reliable wireless internet is available at the monitoring site — they connect straight to your network and push data to the cloud. RF-based wireless telemetry systems suit sites without WiFi or where many sensors feed a central receiver, making them ideal for wireless data acquisition (DAQ) and wireless machine monitoring. Cellular loggers add 4G & NB-IoT connectivity for fully remote, off-grid locations.

    WiFi & Network Data Loggers for Remote Data Acquisition

    Our WiFi data loggers connect straight to your local network and stream readings to the cloud, giving you continuous remote data acquisition without a separate gateway. Because each logger is network-addressable, you can build a network data logging system across multiple sites and view every channel from one dashboard. For applications that need many measurement points feeding a central receiver, RF wireless data acquisition (DAQ) loggers extend coverage where WiFi doesn’t reach. Unlike high-speed laboratory DAQ instruments, these are built for reliable long-term data-acquisition logging — temperature, humidity, voltage, current and pulse — with automatic alerts and audit-ready records.

    Applications

    • Cold chain & pharma – fridges, freezers, coolrooms and transport with audit-ready records.
    • Industrial & manufacturing – wireless machine monitoring, process and energy data.
    • Building & facilities – HVAC, server rooms and indoor air quality (temperature, humidity, CO2).
    • Remote & field sites – wireless remote data collection where wired logging isn’t practical.

    Frequently Asked Questions

    What is a wireless data logger?

    A wireless data logger records sensor readings — such as temperature, humidity, CO2 or voltage — and transmits them wirelessly via WiFi, RF or cellular to the cloud or a PC. It gives you continuous remote monitoring and instant alerts without manually collecting data.

    What is the difference between a WiFi and a wireless (RF) data logger?

    WiFi data loggers connect to your existing wireless network and push data straight to the cloud. RF wireless loggers send data to a local receiver/gateway, which suits sites without WiFi or installations with many sensors feeding one wireless data acquisition system.

    How far can a wireless data logger transmit?

    Range depends on the technology. WiFi loggers work within your network coverage; RF telemetry loggers typically reach tens to hundreds of metres line-of-sight and can be extended with repeaters; cellular loggers have effectively unlimited range over the mobile network.

    Can wireless data loggers send temperature alerts?

    Yes. Models such as the Comet U0110G and MadgeTech RF2000A series send real-time email and SMS alarms when readings breach your set limits — ideal for fridges, coolrooms, vaccine storage and other compliance-critical monitoring.

    Are your wireless data loggers suitable for vaccine and cold-chain monitoring?

    Yes. Our wireless temperature and humidity data loggers provide continuous logging, audit-ready records and instant breach alerts that support vaccine, pharmaceutical and food-safety compliance requirements in Australia.

    Do you ship and provide support across Australia?

    Yes. Pacific Sensor Tech supplies, calibrates and supports wireless data loggers Australia-wide, with expert advice on choosing the right model for your application.

    What is a WiFi data logger?

    A WiFi data logger records sensor readings and sends them over your wireless network to the cloud, so you get real-time remote monitoring and alerts without manually collecting data or adding a gateway.

    Can I use these loggers for wireless data acquisition (DAQ)?

    Yes — for continuous, multi-channel remote data acquisition of temperature, humidity, voltage, current and pulse. For high-speed dynamic measurement (vibration, strain, torque), a dedicated DAQ instrument is the better fit.