Temperature Logger UHF Semi-Passive Tag with External Probe

  • High temperature accuracy
  • Fast download of samples
  • Two temperature sensors
  • Long monitoring time span
  • EPC C1G2 RFID interface
  • Fresh food
  • Seafood
  • Meat and poultry
  • Milk based products
  • Frozen food
  • Chemical/pharmaceutical products


CAEN RFID easy2log© A927ZET is a low cost, semi-passive UHF Logger tag that allows to monitor temperature sensitive products like perishable foods and pharmaceuticals, during transportation and storage. The combination of the high resolution sensor, the large memory size and the standard RFID interface permits to realize effective track and trace solutions for the cold-chain.
The A927ZET can be used with standard UHF RFID readers available on the market without requiring any additional equipment thanks to its compatibility with the EPCGlobal C1G2 and ISO18000-6C standards.
The tag has both an internal and an external temperature sensor, each one can be configured to store temperature samples in intervals from 8 second to 18 hours in the internal memory that can contain up to 4,096 samples per sensor. For each sensor the user can define alarms for high and low temperature thresholds for an accurate control of the temperature excursions.
The rugged enclosure of this logger make it the perfect choice for the cold-chain monitoring in harsh environment or in presence of strong vibration while the external sensor probe allows to monitor the internal and the external temperature of a box.
The A927ZET RFID logger can be used for multiple shipments thanks to the long battery life and the reset function thus allowing to reduce the total cost of the solution and anticipate the ROI.

Tag Type


RFID Interface

UHF EPC Class1 Gen2/ISO 18000-6C compatible

Reserved memory size

512 bit

EPC memory size

512 bit

TID memory size

208 bit

User Memory size

17522 byte

Access control


Memory retention

100 years

Memory endurance

10000 cycles

Read range

10m in air (2.5m on metal) @ 2W ERP

Frequency band

860 MHz ÷ 928 MHz

Write time

100 µsec


User-configurable high temperature and low temperature alarms

Battery Life

3 years typical (depending on usage and operating temperature)

Battery Type

Li / MnO2 Model Renata CR 2450N

Operating temperature (int)

-30°C to +70°C

Storage temperature (int)

-40°C to +85°C

Absolute temperature range (int)

-40°C to +70°C

Operating temperature (ext)

-20°C to +70°C

Storage temperature (ext)

-40°C to +85°C

Absolute temperature range (ext)

-20°C to +70°C

Temperature Resolution


IP rating


Dimensions (L, W, H)

130.4 x 23.4 x 12.7 mm3 (probe excluded)

Probe Length

50 cm


48 g

A927ZET Technical Information Manual - Size: 1.80 MB
Revision : 3
A927Z Easy2Log Demo - Size: 2.75 MB
Environment : .Net
OS-Version : 10/7/8/Vista/x64bit 7/x64bit Vista/x64bit XP/XP
Revision : 0
A927ZET CE Declaration of Conformity - Size: 425.73 kB
A927ZET EN 12830 Declaration of Conformity - Size: 645.83 kB
A927ZET Data Sheet - Size: 853.38 kB
CAEN RFID Products Catalog 2020 - Size: 3.48 MB
A927 - Temperature logger with external probe UHFsemi-passive tag (EPC C1G2) Std
Related products