Temperature Logger UHF Semi-Passive Tag

  • High temperature accuracy
  • Fast download of samples
  • 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© A927Z is a low cost, ruggedized, semipassive 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 A927Z 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 can be configured to store temperature samples in intervals from 8 second to 18 hours in the internal memory that can contain up to 8,000 samples. 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.
The A927Z 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

17484 byte

Access control


Memory retention

100 years

Memory endurance

10000 cycles

Read range

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

Frequency range

860 MHz ÷ 928 MHz

Write range

10 m @ 2W ERP


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

-30°C to +70°C

Storage temperature

-40°C to +85°C

Absolute temperature range

-40°C to +70°C

Temperature Resolution


IP Rating


Dimensions (L, W, H)

130.4 x 23.4 x 12.7 mm3


35 g

A927Z Technical Information Manual - Size: 1.70 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
A927Z CE Declaration of Conformity - Size: 425.33 kB
A927Z EN 12830 Declaration of Conformity - Size: 646.21 kB
A927Z Data Sheet - Size: 736.43 kB
CAEN RFID Products Catalog 2020 - Size: 3.48 MB
A927Z - Temperature logger UHF semi-passive tag(EPC C1G2) Std
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