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Freeze Alert
Freeze Alert (Product Code: SLE/CCE/024) is an electronic freeze indicator used to show whether freeze-sensitive vaccines in refrigerators, cold boxes or carriers have been exposed to freezing temperatures. Its LCD shows a tick for OK or a cross for alarm after exposure below -0.5 °C for more than 60 minutes, and it is started with a push-button switch. It is supplied by Jain Scientific Equipments Pvt Ltd (ScienceLab), Ambala, India, among the laboratory instruments in India it sources for cold chain buyers.
Specifications
| Parameter | Detail |
|---|---|
| Operating temperature | -20°C to +55°C |
| Alarm | Visual: tick for OK, cross for Alarm if exposed below -0.5 °C for more than 60 min |
| Battery type | Non-replaceable lithium coin cell |
| Storage before activation | Can be stored inactivated for 12 months |
| Activated life | 36 months (if stored for a maximum of 12 months) |
| IP rating | IP64 |
| Display medium | LCD |
| User interface | Start button switch |
| Accuracy | ±0.5 °C |
| Product code | SLE/CCE/024 |
| Supplied by | Jain Scientific Equipments Pvt Ltd (ScienceLab), Ambala, India |
What Is the Freeze Alert Used For?
Freeze-sensitive vaccines can be damaged by freezing, and that damage is not always visible on the vial. The Freeze Alert travels or sits with those vaccines in a refrigerator, cold box or carrier, and if it senses a temperature below -0.5 °C for more than 60 minutes, its display changes from a tick to a cross.
Keep the indicator inactive until it is needed, for no more than 12 months, then press the start button to begin monitoring; from then on it runs for 36 months. Check the display whenever stock is received or issued, and follow your programme's procedure if a cross appears. Stores ordering monitoring devices as part of a scientific equipment bulk supply often place one indicator in each appliance and cold box.
What to Specify When Ordering
- The model: Freeze Alert (SLE/CCE/024).
- The quantity, usually one indicator per refrigerator, cold box or carrier to be monitored.
- When you plan to activate the units, since they can be stored inactivated for up to 12 months.
- The delivery location for the consignment.
Supplier
Jain Scientific Equipments Private Limited, trading as ScienceLab from Ambala in Haryana, supplies the Freeze Alert as a sourced monitoring device. We can quote it together with the carriers, cold boxes and refrigerators it protects, so a single supplier covers the whole cold chain order. Company details are on the ScienceLab profile.
Related Cold Chain, Solar & Communication Equipment
Items commonly monitored or compared with a freeze indicator:
- Freeze-tag — a second freeze indicator in the range, for comparing before you order.
- 30 Day logger — a logger for a day-by-day temperature record in refrigerators and freezers.
- Freeze Free Vaccine Carrier — a carrier designed to keep vaccines from freezing during transport.
- Cold Box 12 Litres — a transport cold box in which the indicator can accompany stock.
Explore the full Cold Chain, Solar & Communication Equipment category.
Frequently Asked Questions
When does the Freeze Alert show an alarm?
The Freeze Alert changes its display from a tick to a cross if it is exposed to a temperature below -0.5 °C for more than 60 minutes. Check the display whenever vaccines are received or issued to see whether they met freezing conditions.
How is the Freeze Alert activated?
The Freeze Alert is started with its start button switch. Until then it can be stored inactivated for up to 12 months, which lets stores hold a reserve and switch units on only when they are placed with vaccines.
How long does the Freeze Alert work after activation?
Once activated, the Freeze Alert has an activated life of 36 months, provided it was stored inactivated for no more than 12 months beforehand. Record the activation date so you know when a replacement will be due.
Can the battery of the Freeze Alert be changed?
No, the Freeze Alert uses a non-replaceable lithium coin cell. When its activated life ends, the whole indicator is replaced, so plan reorders around the activation dates of the units in service.
What are the accuracy and operating range of the Freeze Alert?
The Freeze Alert has an accuracy of ±0.5 °C, operates between -20°C and +55°C and is rated IP64. That range covers refrigerators, cold boxes and carriers used in routine vaccine storage and transport.
Who supplies the Freeze Alert?
The Freeze Alert is supplied by Jain Scientific Equipments Pvt Ltd (ScienceLab), Ambala, Haryana, India. The company sources the indicator for its cold chain range and handles quotations and dispatch for buyers in India and international markets.
Request a Quote
Tell us how many Freeze Alert indicators you need and where they should be delivered through the contact page, or add them to the enquiry cart with the carriers and refrigerators they will monitor.
Last updated: 24 September 2026
