RF311-T Diligence WiFi Temperature Data Logger

  • $149.89 USD
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The RF311-T Diligence WiFi Temperature Data Logger measures the temperature of the environment in which it is situated and transmits the data wirelessly via a WiFi network to a PC.

  • Temperature Range: -4 to +140°F / -20 to +60°C
  • Plug & Play Installation using existing WiFi Network
  • Supplied with Wall Bracket and Micro USB lead

The RF311-T Diligence WiFi Temperature Data Logger measures the temperature of the environment in which it is situated. Data is transmitted wirelessly via a WiFi network to a PC and viewed via the Graphing Tool or can be exported to Microsoft Excel. The software installed on the PC will allow set up, data logging and data review. Set up features will include Data Logger name, °C / °F, sample rate, and high/low alarms. This Software is available to download for free.

The RF311-T is a low powered battery device. When configured using typical transmission periods (e.g. once every 5 minutes) the data logger will operate for over one year. The battery can then be recharged via a PC or by mains power using the RF320 (UK/US) Power Supply Unit, which is available as an accessory.

  • Measurement range -4 to +140°F / -20 to +60°C
  • Rechargeable internal lithium polymer battery
  • Easy data logger set-up using free PC software application
  • Built in temperature data logger with WiFi capability and integrated display
  • Temperature selection in °C or °F
  • Data can be viewed via the graphing tool or can be exported to MS Excel
  • Configurable high and low alarms with indicator
  • Wireless connectivity to PC via WiFi
  • Max and Min readings
  • IEEE 802.11b/g/n compliant
  • Protection rating IP55
  • Capable of logging greater than 1 million data entries
  • Memory stores all data even if WiFi is temporarily disconnected
  • Fully featured LCD segment display
  • Low battery indicator
  • WiFi connection indicator
  • USB port used for recharging (can only be recharged when the unit is between 0 to +40°C / +32 to +104°F
  • Supplied with Wall Bracket and Micro USB lead



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211 reviews

Shipment arrived on time and as ordered.

La Crosse Technologies V10-TH

The La Crosse V10-TH Wireless Weather Station (Model No. C84343) is absolutely wonderful. The setup was easy with the Quick Setup Guide provided with the unit. The packaging contains additional support information with the website and phone number if there are questions. I especially liked the daily high low readings and the color on the unit! Tech Instrumentation provided great communication as to the availability of the product and shipping details. If fact, it arrived one day prior to the estimated delivery date. I would absolutely recommend this product and Tech Instrumentation for anyone looking for an indoor/outdoor weather station!


I needed a replacement as my original sensor no longer worked. This one works fine.

Excellent Customer Service!

I can't way enough about the customer service at Tech Instrumentation. I was looking for a hard to find specialty part, which the manufacturer told me would need to be custom made. After calling and speaking with a representative at Tech Instrumentation, the part was located and order was filled, right over the phone. Delivery was prompt, and instrument is working great. Highly recommended company for lab supplies!

Worked great

Put batteries in and worked great