HOBO MX2308 Temperature/RH & PAR Data Logger

Record Environmental Conditions with Scientific Precision: HOBO MX2308 Temp/RH/PAR Data Logger

Monitor temperature, humidity, and photosynthetically active radiation (PAR) with high accuracy and wireless Bluetooth download

The HOBO MX2308 Temp/RH/PAR Data Logger provides research-grade environmental monitoring for temperature, relative humidity, and photosynthetically active radiation (PAR), all in one device. Designed to be rugged and easy to use, this wireless logger is ideal for commercial greenhouses, hydroponic crops, vertical farms, and ecological research. Its integration with the LI-COR LI-190R sensor ensures accurate and reliable measurements, while Bluetooth connectivity enables fast, cable-free data downloads—even in hard-to-reach locations.

Key Features:

• Monitoring of Three Key Parameters: Temperature, relative humidity, and PAR in one compact device.
• Compatible with LI-COR LI-190R Sensor: Industry standard for accurate photosynthetically active radiation measurements.
• Bluetooth Data Download: No cables or additional devices required; up to 30 m (100 ft) range.
• Durable Design: NEMA 6/IP67-rated sealed enclosure for outdoor use.
• Free HOBOconnect Software: Mobile or desktop app for configuration and data download.
• Ideal for Agriculture and Research: From crop optimization to academic studies.
• Memory for 195,000 Measurements: Large capacity for extended monitoring campaigns.
• Flexible Installation: Compatible with radiation shields, mounting brackets, and leveling accessories.

• Specifications
• In the Box
• Optional Items
• Documents

• Specification	HOBO MX2308
  Measured Parameters	Temperature, Relative Humidity, PAR (with LI-COR LI-190R sensor)
  Temperature Range	-40 to 65 °C (-40 to 149 °F)
  Temperature Accuracy	±0.2 °C (typical)
  Humidity Range	0 to 100% RH
  Humidity Accuracy	±2.5% from 10% to 90% RH
  PAR Range	0 to 3,000 μmol/m²/s
  PAR Resolution	0.1 μmol/m²/s
  Memory	195,000 measurements
  Logging Interval	1 second to 18 hours
  Connectivity	Bluetooth Low Energy (BLE)
  Transmission Range	Up to 30.5 m (100 ft)
  Battery	2/3 AA 3.6 V lithium, replaceable
  Battery Life	Up to 5 years (depending on use)
  Environmental Rating	NEMA 6, IP67

• • HOBO MX2308 Data Logger
  • Mounting screws
  • Plastic zip ties
• • Solar radiation shield (RS1 or M-RSA)
  • Shield mounting bracket (MX2300-RSBRACKET)
  • Sensor leveling accessory (2003S)
  • Replacement battery (HRB-2/3AA)
• • HOBO MX2308 User Manual