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    Temperature@lert WiFi Edition TM-WIFI330 — WiFi Temperature & Humidity Monitor Specifications

    September 08, 2026 3 min read

    Affordable, easy-to-install WiFi/Ethernet temperature and humidity monitoring and email-alert device supporting up to 4 sensors.

    💾 Download Original PDF
    Full text manual (for reference)

    Overview

    The Temperature@lert WiFi Edition (Model TM-WIFI330) is an affordable, easy-to-install temperature and humidity monitoring and alerting device for protecting critical environments, products, and materials. The base unit supports up to four individual sensors.

    How It Works

    Using your existing wireless or wired network infrastructure, the WiFi Edition connects to monitor Temperature@lert sensors (temperature and/or humidity). It alerts you via email if a reading exceeds your set limits. The included package has one 6' (1.8m) temperature probe and can accommodate up to three additional probes. High and low alarm thresholds are configured through a built-in web interface — no PC required for stand-alone operation.

    Features & Benefits

    • Email alerts when temperature and/or humidity goes out of your defined range, so you can take timely corrective action
    • Supports up to four sensors on the base unit for cost-effective multi-point deployment
    • Communicates wirelessly over WiFi or wired via Ethernet cable
    • Stand-alone operation — only requires an operating WiFi or Ethernet network
    • Notifies you when readings return to an acceptable range for peace of mind
    • Daily status email with the previous day's high, low, and average log of readings
    • Predrilled flange for easy mounting to most surfaces
    • Supports SSL/TLS and SMTP Authentication (fully compatible with Gmail SMTP settings)
    • Enhanced security — no software required on your computer or enterprise systems
    • Runs Linux and integrates with other systems via a built-in XML feed; customizable via SSH to push logs via FTP

    Kit Contents

    • WIFI330 base station
    • One 6' (1.8m) temperature sensor
    • AC power wall adapter (110V/220V)
    • 1 year support, warranty, and updates
    • 30-day money back guarantee

    Additional Options

    • Additional temperature sensor(s)
    • Combination temp/humidity sensor(s)
    • Semi-custom sensor cable lengths, up to 200 ft (60.96m) maximum
    • Additional sensor types
    • Sensor Cloud subscription: web-based interface to set/modify alarm limits, multiple email/text/SMS/phone call alerts, escalation levels, up to 1 year of stored data, and free smartphone apps

    Product Specifications

    Spec Value
    Model Temperature@lert WiFi Edition
    Part Number TM-WIFI330
    Dimensions H: 1.21", W: 3.87", L: 7.24"
    Ethernet 10/100 Base-TX Ethernet Port with PoE
    Device Operating Temperature 0°C to 40°C (32°F to 104°F)
    Included Power Supply Requirements 115-240 VAC
    Number of Sensor Ports 4
    Pre-calibrated Temperature Sensor Range -55°C to 125°C (-67°F to 257°F)
    Temperature Sensor Accuracy ±0.5°C from -10°C to +85°C
    Optional Temp/Humidity Sensor Range -55°C to 125°C (-67°F to 257°F); 10%-90% RH @ operating temp
    Optional Temp/Humidity Sensor Accuracy ±3% RH
    Standard Sensor Cable Length 6 feet (1.8 meters)
    Maximum Sensor Cable Length 200 feet (30 meters)
    Network Requirements WiFi Network (802.11 b/g/n) or Wired Ethernet
    Wireless 802.11b/g/n, WPA/WEP security
    Celsius/Fahrenheit User selectable
    Real Time Temperature Alerts Yes (email)
    Alert Frequency (min/max) 1 minute / 9999 minutes
    Action on Return to Normal Email
    Real-Time Temperature Graph Yes
    Data Log Format Text, XML
    Supports SMTP Authentication Yes
    SNMP Yes
    Warranty 1 year

    FAQ

    Need more than 5 devices? Contact the manufacturer to help configure the most cost-effective solution.

    Can this product use Gmail SMTP settings? Yes — this product is fully compatible with Google Mail (Gmail). Input the Gmail SMTP settings to receive email alerts to any Gmail account.

    How does the 30-day risk-free trial work? Try the WiFi Edition for 30 days. If you're not satisfied, contact the manufacturer to return everything for a full refund (minus applicable shipping charges).