Diligence WiFi Fridge Glycol Simulant Data Logger 4808972

Diligence WiFi Fridge Glycol Simulant Data Logger 4808972
Zoom  Zoom
Our Price:  £240.00(Inc. 20% VAT)(£200.00 Exc. VAT)

Product Code:  4808972-C4
Brand:  Comark Thermometers

Product Availability:  

1 in stock, immediate despatch  

1 in stock, immediate despatch

Tell a Friend

Diligence WiFi Fridge Glycol Simulant Data Logger 4808972

The RF312 Glycol Diligence WiFi Glycol Simulant Data Logger (detachable buffer probe) is designed specifically for use in monitoring the temperature of perishable items, such as Food, Samples and Vaccines in a fridge

  • Temperature Measurement Range: -40°C to +125°C / -40°F to +257°F
  • Plug & Play Installation using existing WiFi Network
  • Supplied with High Accuracy Glycol Buffer Probe

Diligence WiFi Glycol Simulant Data Logger

The RF312Glycol Diligence WiFi Glycol Simulant Data Logger (detachable buffer probe) is designed specifically for use in monitoring the temperature of perishable items, such as Food, Samples and Vaccines.

The high accuracy data logger is typically accurate to ±0.2°C (-15°C to +80°C) / ±0.4°F (+5°F to +176°F). Data is streamed wirelessly over any WiFi network and can be viewed locally on a PC using our free software package, or from anywhere, using the Comark Cloud.

The Glycol Buffer Probe is designed to provide a buffered response to changes in temperature. This helps to simulate the thermal lag experienced by products stored in the monitored environment.

Setting up your RF312Glycol Diligence WiFi Glycol Simulant Data Logger is easy, using our free PC software. Choose to store your data locally on the PC, or make it universally accessible on the Comark Cloud. Whichever you choose, you’ll be able to view historic data in graphs or tables, and export it in various formats. At any time, you can change the data logger settings, including Name, °C/°F, Sample Rate, and High/Low alarm levels. Our software and firmware updates are available for free from www.comarkinstruments.com

During configuration, the data logger will search for an existing wireless network whilst physically connected to the PC. It can then be placed anywhere within range of the network. If the data logger temporarily loses connectivity with the network, it will log readings until it is able to communicate again with the PC application or the Cloud (max 30 days at 10 second sample interval). Although the WiFi data loggers have an impressive range this can be increased by using WiFi extenders.

The RF312Glycol Diligence WiFi Glycol Simulant Data Logger is a battery powered device with an internal rechargeable lithium polymer battery, but can be permanently powered using an RF320 USB power supply (available separately).

The LCD display includes several features including Max and Min readings and indicators for low battery, alarms, WiFi connection and signal strength. The RF312 has a protection rating of IP43 and the glycol probe, IP67. The RF312 is freestanding, but can be attached to a wall or surface using the bracket provided. The glycol buffer probe is supplied with a detachable magnetic base for easy installation.

The data logger is IEEE 802.11b/g/n compliant, supports WEP, WPA/WPA2 encryption and enterprise networks*.



  • High Accuracy Glycol Buffer Probe Temperature Measurement range -40°C to +125°C / -40°F to +257°F
  • Wirelessly stream and view data on the Comark Cloud or on a PC
  • Data logger set up is easy using our free PC software
  • View and analyze multiple data loggers, including graphing of historic data
  • Configurable high and low alarms with indicator
  • Data logger memory stores data even if WiFi is temporarily disconnected

Upgraded WiFi Loggers (July 2016)

Comark has upgraded the Diligence WiFi Data Logger range from ‘B’ (IEEE 802.11b) to ‘BGN’ (IEEE 802.11b/g/n) WiFi compatibility.

One of the major benefits of the switch to type ‘BGN’ WiFi is that it speeds network communications. IT departments in many schools and hospitals have been turning off ‘B’ compatibility to improve network speeds, so ‘BGN’ devices are often all that they will consider for new network devices.

Plus there are a number of other improvements to the Loggers:


Sensor Type High Accuracy ‘PLUS’ Specification Thermistor
Battery Life >6* Months
USB Supply Voltage 4.5 to 5.5 Vdc
Operating Temperature Range -20°C to +60°C / -4°F to +140°F
Logging Period (User Configurable) 10 Seconds to 12 Hours (Typical 10 Minutes)
Transmission Period (User Configurable) 1 minute to 24 hours (Typical 1 Hour)
Temperature Measurement Range -40 to +125°C / -40°F to +257°F
Temperature Measurement Resolution 0.01°C / 0.01°F
Temperature Display Resolution 0.01°C / 0.01°F
System Temperature Accuracy (-15 to +80°C) ±0.2°C
System Temperature Accuracy (+5°F and +176°F) ±0.4°F
System Temperature Accuracy (-40 to +125°C) ±0.6°C
System Temperature Accuracy (-40°F to +257°F) ±1°F
Logger Dimensions Height 82mm / 3.23" x Width 70mm / 2.75" x Depth 22mm / 0.86"
Supplied Glycol Buffer Probe Lead Length 3m
WiFi Compliance IEEE 802.11b/g/n compliant, supports WEP, WPA/WPA2 encryption and enterprise networks (MS-CHAPv2, PEAP, EAP-FAST, EAP-TTLS)
Glycol Buffer Response Time (t90*) 40 minutes
*The t90 response is the time taken for the temperature probe to achieve 90% of the ambient temperature, after being subjected to an instant change. This response time is designed to reproduce the thermal characteristics of a vaccine vial, accurately tracking the temperature of the vaccine.

Be the first to Write a Review for this item!

Mail Order takes on average between 2 - 5 working days, which is delivered by Royal Mail 1ST CLASS (But being Royal Mail can take Longer)

COST £3.12 (Per Order) UK and £15 ( Per Order) FOR EUROPEAN ORDERS
NEXT DAY COST £6.50, UK Only £ 15 for other areas of the UK on a 48 hour service, but free delivery is order over £65
Delivery can be from 8.30am to 6pm

Please note all shipping is PER ORDER , NOT PER ITEM

Next day delivery is extra but we can not be held liable for the carriers delaying the (WEEKENDS AND BANK HOILIDAYS ARE NOT INCLUDED IN WORKING DAYS). Highlands and Islands / IV BT, IM TR 21-25, HS, KA27,28, KW1-3, 5-15, PA20-49, 62-77,61,78,PH17-26, 30-44, 49-50, ZE1-3 postcodes takes 48 hour

We must have the order by 3pm to have a chance of getting the order out the same day ( AS LONG AS GOODS ARE IN STOCK) Next day not available for European Orders

ORDERS OVER £65 POST FREE (Excluding European Orders)

For those orders over £65 we will send Post Free. To 1 address if more then 1 address per order, a delivery charge either £6.50 or £3.12 will be added
Once the parcels have left our premises the responsibility for delivery is with the Royal Mail or our Carrier.

We are not responsible for late delivery's that may of happened once the parcel has left us as we will try and get the parcel out to you as fast as we can. Please contact us if any problems, problems do happen but we are always here to help.
Or if you are still waiting for a parcel (over 10 working days Royal Mail) please let us know so we can sort out the problem.
Orders are dispatched by post / carrier to the name and address you have given to us. If we have received incorrect or inadequate information for the delivery of the goods we cannot accept any liability for late or failed delivery as a result of this.

Delivery Schedule We process your order right away. We will normally send your order to you in 2 - 5 business days . International orders are generally received in under 10 days.
Does not Include Trade Orders OR Purchase Orders

A calibrated thermometer if ordered in error / or not wanted can only be returned upto 10 days after purchase because the certificate has a expiry date

We accept Orders from Government based purchases, we regularly supply the following organisations

  • Hospitals, PCT's, NHS Foundation Trusts
  • Police Force, Fire Service
  • Councils
  • Prison Service
  • All British Military Forces

There is £50 minimum order value for purchase order

P&P on all Purchase Orders under £65 (ex Vat) £5.42+VAT
P&P will be free on Orders over £65 (ex vat)

Send your order by Email:- sales@thermometersdirect.co.uk

Payment must be made within 30 days by BACS or Cheque