Temperature

Selecting the Right Model

All Weetags and iButton can log temperature values. The choice  of one type over the other can be done with the following selector chart. The data logger models are listed either by increasing order or complexity. The first model that fits the application should be used.

For detailed specification and pricing, refer to the products pages at these links: iButton,  iBCod,   Weetag.

Dry environment

Submersible application
Ambiant Temperature 
Ambiant Temperature 
ibutton ds1921
iButton G
Range: -40 to 85 °C
Precision: +/- 1 °C
Memory:  2,048 values		 iBCod sumbersible temperature data logger
iBCod G
Range: -40 to 85 °C
Precision: +/- 1 °C
Memory:  2,048 val.
Depth rating: 900 m
ibutton ds1921
iButton Z
Range: -5 to 26 °C
Precision: +/- 0.5 °C
Memory:  2,048 values		 iBCod sumbersible temperature data logger
iBCod Z
Range: -5 to 26 °C
Precision: +/- 0.5 °C
Memory:  2,048 val.
Depth rating: 900 m
ibutton ds1921
iButton 22L
Range: -40 to 70 °C
Precision: +/- 0.5 °C
Memory:  2,048 values
Note: Precision can be improved to + / - 0.125 °C with calibration.
 iBCod sumbersible temperature data logger 
iBCod 22L
Range: -40 to 70 °C
Precision: +/- 0.5 °C
Memory:  2,048 val.
Depth rating: 100 m
Note: Precision can be improved to + / - 0.125 °C with calibration.
High Temperature 
High Temperature Submersible
ibutton DS1922t
iButton 22T
Range: 0 to 125 °C
Precision: +/- 1 °C
Memory:  2,048 values		 iBee sumbersible high temperature data logger
iBee 22T
Range: 0 to 125 °C
Precision: +/- 1 °C
Memory:  2,048 val.
Pressure max: 3 bars
ibutton DS1922E
iButton 22E
Range: 0 to 140 °C
Precision*: +/- 1 °C
Memory:  2,048 values
Precision varies with a specific range.		 iBee sumbersible high temperature data logger
iBee 22E
Range: 0 to 140 °C
Precision*: +/- 1 °C
Memory:  2,048 val.
Pressure max: 3 bars
Precision varies with a specific range.




Larger Memory & better precision 

All these loggers are submersible 

Parameters:  Temperature and/or Depth (except for the Weetag Lite)
Range:         -30 to 70 °C
Precision:     +/- .125 °C
Memory:       Up to 32,000 Temperature and Depth Values 
Weecod submersible temperature depth data logger 
WeeCod
Lowest Cost of the Weetag Series
Temperature & depth
RF communication
Weight dry:  14 grams
Submerged weight: 8.3 grams
Battery: Lithium 470 mAh
Weetag bulletsubmersible temperature depth data logger 
WeeTag Bullet
Temperature & depth
RF communication; Longest Range
Weight dry:  21 grams
Submerged weight: 9.4 grams
Battery: Lithium 1500 mAh
Weetag RF slim submersible temperature depth data logger 
WeeTag RF Slim
Temperature & depth
RF communication: Smallest RF Size
Weight dry:  5.2 grams
Submerged weight: 2.1 grams
Battery: Lithium 80 mAh
Weetag slim submersible temperature depth data logger 
WeeTag Slim  (Serial Connexion)
SPECIAL MINIATURE APPLICATIONS
Temperature & depth
Serial Connexion
Weight dry:  1.7 grams
Submerged weight: 0.7 grams
Battery: Lithium 30 mAh
Contacts must be covered with silicone to be submersible
Weetag Lite submersible temperature data logger 
WeeTag Lite  (Serial Connexion)
SPECIAL MINIATURE APPLICATIONS
Temperature only
Serial Connexion
Weight dry:  1.1 grams
Submerged weight: 0.5 grams
Battery: Lithium 30 mAh
Contacts must be covered with silicone to be submersible