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The A3537 Type T Thermocouple wire was retired on May 2, 2008. Type T thermocouples consist of a copper wire and a constantan wire. The 3537 Type E Thermocouple Wire can be used for many of the A3537 applications. Type E thermocouples consist of a chromel wire and a constantan wire.

The "-L" on a product model indicates that the cable length is specified at the time of order.


Cable Diameter 0.8 cm (0.3 in.)
Weight 91 g/305 cm (0.2 lb/10 ft)


A3537-L Compatibility Information

The A3537 is measured by the TCDiff instruction in CRBasic, and by Instruction 14 (Differential Thermocouple) in Edlog. One differential channel per probe is required; a thermocouple reference junction at the datalogger is also required. If large numbers of A3537s are to be measured, the AM25T Thermocouple Multiplexer is recommended. The CR200-series, CR500, and CR510 dataloggers do not have thermocouple measurement instructions and are therefore not compatible with the A3537.

A3537-L Compatibility by Datalogger

CR200 Series CR800/CR850 CR1000 CR3000 CR9000X

A3537-L Compatibility by Retired Datalogger

CR500 CR510 CR10 CR10X 21X CR23X CR9000 CR5000 CR7X