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KEM WBGT – 301 Wet Bulb Globe Temperature Meter

  • Instruments
  • KEM WBGT – 301 Wet Bulb Globe Temperature Meter

Product Overview

The KEM WBGT-301 is a portable, user-friendly Wet Bulb Globe Temperature (WBGT) meter designed for general use in sports, events, and ambient heat stress assessments. It integrates air temperature, humidity, and radiant heat measurements into a single WBGT index, offering reliable insights into environmental heat stress in real time.
Built to JIS B 7922 Class 1.5 standards, the WBGT-301 offers an accurate and convenient solution for applications where quick, on-the-go readings are needed. For Pro-Tec’s customers in Singapore, this model is suitable for monitoring outdoor events,athletic facilities, or as a baseline instrument for heat risk evaluation.

Key Features

  • Can measure Wet Bulb Globe Temperature (WBGT), perfect for preventing heat stress - related illness at sporting and other events
  • The light and portable instrument can be battery - ope rated, letting you measure WBGT anytime, anywhere
  • Has a built - in temperature alarm and can save up to 30,000 measurements worth of data
  • The device is dustproof and water - resistant for peace of mind, rated to the equivalent of IP6
  • The device has a USB Type - C port for data transfer and for providing external power from a PC or portable battery charger* (as an alternative to using AA batteries)
*only use a portable charger that has compatibility with a low power consumption mode.

Exercise Guidelines

Heat Stress prevention guidelines for excercise
  • Sensor accuracy is based on the JIS B 7922 stipulation (Japanese Industrial Standards).
  • Devices confirmed to have IPX5 - equivalent water resistance at time of shipment. Use as recommended in the user manual. Damage due to liquids is not covered by w arranty.
  • Please use the specified cable for connection to the device
  • Depending on utilized settings, period of active use, usage environments, etc

Specifications

Model Name WBGT-301
Intended Use Heat stress risk management for sports, schools, events, etc.
Precision Rating JIS Class 1.5(*1)
Ingress Protection Equivalent to IP65(*2)(dustproof and water resistant)
Display 2.8-inch LCD screen (56mm x 42mm)
Measurement capabilities WBGT, ambient temperature, relative humidity, globe temperature
Measurement range & (display resolution) WBGT: 0.0°C-50.0°C (displayed to nearest 0.1°C) Ambient Temperature: 0.0°C-50.0°C (displayed to nearest 0.1°C) Relative Humidity: 10.0% - 90.0%RH (displayed to nearest 0.1%RH) Globe Temperature: 0.0°C-60.0°C (displayed to nearest 0.1°C)
Accuracy*under a natural draft (0.3 to 3m/sec) WBGT: ±1.5°C (15°C-40°C) Ambient Temperature: ±0.6°C (20°C-50°C) Relative Humidity: ±3.0% (30%-90%RH) Globe Temperature: ±0.6°C (20°C-60°C)
Memory capability Stores the data of up to 30,000 measurements (most recent data saved)
External interface USB Type C
Communication specification(*3) USB connection (USB communication/RS communication) UART connection
Power source AA alkaline batteries USB
Battery life Approximately 6 months (*4)
Dimensions 69 (W) x 36 (D) x 272 (L) mm 2.7 (W) x 1.4 (D) x 10.7 (L) inches
Weight Approximately 230 g/8.1 oz (battery weight included)

Applications

  • Outdoor sports events and athletics
  • Event heat stress assessmen
  • Ambient heat profiling in open spaces
  • Educational and recreational usage

Why Choose Pro - Tec Geosystems for the WBGT - 301?

  • Local stock availability in Singapore, reducing lead times
  • Calibration and technical support aligned with MOM / WSH requirements
  • Guidan ce on using WBGT data for workplace safety or event planning

Contact Us

Equip your team with the KEM WBGT-301 Heat Stress Meter to ensure compliance, protect workers, and prevent heat-related illnesses

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