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 Wireless Monitoring & Alarm Systems for Cryogenic Dewars 
Meets the HFEA requirements for:
  • Local alarms on both low nitrogen levels and temperature
  • Auto-dial out for out of hours staff contact via home/mobile phone

The system also provides:

  • Local and dial out alarms for any incubator, fridge and freezers
  • Sensor and local alarm for low oxygen
  • Inside room audible alarm and external room red lamp ‘No Entrance’ indication
  • Data logging of all values with report print outs of any alarm events
  • No false alarming due to dual sensors / alarm delay function
  • Access to Dewars for removal / replacement of specimens without alarm triggering
  • Complete test functions to prove sensor, alarm and dial out function
  • Wireless connection, no trailing wires to Dewars
  • Full battery back up in case of mains failure
The System does not require a PC to operate but having access to one allows downloading of all stored data regarding temperatures / alarm events etc to be saved on the PC hard disc.

The features of the software allow complete chart trending and reporting of any period of time providing non corruptible evidence of storage conditions.

The software can run on desk PC’s, and laptops running Windows, 98, NT, XP and also Apple Mac PC’s

Battery powered radio transmitters (min 2 year battery life) fitted to dewar with dual sensor fitted at low level and vapour level.

Complete stainless steel sensor (robust non failing)

Individual alarms for each dewar / sensor complete with time delay are programmable to ensure no false alarms.

All systems are supplied fully installed by experienced laboratory engineers with traceable calibration certificates, full staff training in use of system, free 24 hour technical support and a yearly contract option covering re-calibration / system check / battery replacement and data archiving on PC.

For a free on site working demonstration, full site survey to check installation requirements and complete fixed price quotation please contact our sales team on 01709 811460.
 Testimonials 

Burton Centre for Reproductive Medicine has been using the Isopharm Dewar Alarm System since October 2005 and we are happy to recommend it to others.

We chose this system because it is a wireless system that provides a temperature mapping chart that we can download to ensure that we have a continual record of evidence that the cryopreserved samples are maintained at the correct temperature.

In the event that there was a dewar failure, the continual temperature mapping will allow us to accurately assess the temperatures that the samples were exposed to.

Over the years, with software updates provided as part of our annual service agreement, the system has become even more user friendly.

It is easy to test that the system is working correctly. In the rare event that we have had a problem with the system, the 24 hour support provided by Isopharm has been invaluable.

Our service engineer is friendly and efficient and has always rectified any issues in a timely and professional manner.

Tracy Phillips
Senior Clinical Embryologist
Burton Centre for Reproductive Medicine



The Royal Surrey County Hospital in Guildford has used the dewar monitoring system since early in 2007. The system is extremely user friendly and levels of liquid nitrogen are easy to monitor.

Also as the system is expandable, we have recently added new tanks to the alarm system with little fuss.

Support from Isopharm-Sentry is very good, with the service engineers being tidy and polite and able to fit around our working practices.

I would certainly recommend ISL to any department considering this type of monitoring equipment

Simon Dowd
Operational Manager
Royal Surrey County Hospital

 Existing Systems 
• UCH, London
• Centre for Reproduction, Bristol
• Guys & St. Thomas Hospital, London
• South Mead Hospital Fertility Clinic, Bristol
• The Priory Hospital, Birmingham
• SIMS International Fertility Clinic, Dublin
• Assisted Reproduction & Gynaecology Centre, London
• St Judes Hospital, Wolverhampton
• The Royal Surrey Hospital, Guildford
• The Royal Hospital, Sunderland
• The London Womens Hospital, London
• Cromwell Hospital, London
• The London Womens Clinic, Swansea
• The Doctors Laboratory, London
• The Regional Fertility Cente, Belfast
• Burton Centre for Reproductive Medicine, Burton
Eschmann Spare Parts 
ISL is an ISO 9001:2000 Registered Company

Isopharm Sentry Limited | The Validation Centre | Thornbury Hill Lane | Near Firbeck | Rotherham | S81 8JW | United Kingdom
Tel +44 (0) 1709 811460 | Fax +44 (0) 01709 811461 (Sales)
| Fax +44 (0) 01709 811462 (Accounts)

sales@isopharm-sentry.com | www.isopharm-sentry.com

VAT Number: GB737 943 78 | Registered in England and Wales 3843619 | ISO9001:2000 Registered Company LRQA 4001093

Office Hours Mon-Fri 9am to 5pm (GMT)

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