Which probe do I need?
There is a LogTag probe for every application.
Standard Probes
Temperature range: -40°C to +99°C

Diameter: N/A
LogTag Untipped Bare Sensor (ST100B)
Suitable for TREX, TRED and UTRED loggers.
Bare sensor without a stainless steel sheath ready for fitting into a custom probe assembly.
Not rated for food contact or environmentally rated.

Diameter: 5mm
LogTag Short Round-Tip Probe (ST100S)
Suitable for TREX, TRED and UTRED loggers.
This short-tipped probe has ~22mm of exposed length of 5mm OD 316 stainless steel probe.
All materials at the probe end of the cable are FDA food-rated, including the cable.

Diameter: 3.2mm
LogTag Short Round-Tip Probe (ST100J)
Suitable for TREX, TRED and UTRED loggers.
This is model to use with the leakproof vial
This short round-tipped probe incorporates a 38mm exposed length of 3.2mm OD 316 stainless steel probe.
All materials at the probe end of the cable are FDA food-rated, including the cable.

Diameter: 3.2mm
LogTag Medium Round-Tip Probe (ST100K)
Suitable for TREX, TRED and UTRED loggers.
This medium round-tipped probe incorporates a 65mm exposed length of 3.2mm OD 316 stainless steel probe.
All materials at the probe end of the cable are FDA food-rated, including the cable.

Diameter: 3.2mm
LogTag Long Round-Tip Probe (ST100L)
Suitable for TREX, TRED and UTRED loggers.
This long-tipped probe incorporates ~90mm of exposed length in a 3.2mm OD 316 stainless steel probe.
All materials at the probe end of the cable are FDA food-rated, including the cable.

Diameter: 5mm
LogTag Long Pointed-Tipped Probe (ST100T)
Suitable for TREX, TRED and UTRED loggers.
This long pointed-tipped probe has ~135mm of exposed length of 5mm OD 316 stainless steel probe.
All materials at the probe end of the cable are FDA food-rated, including the cable.

Diameter: 5mm
LogTag Long Pointed-Tip Probe with Handle (ST100H)
Suitable for TREX, TRED and UTRED loggers.
The handled probe incorporates a 65mm long, overmoulded handle with a 110mm length, 5mm diameter (slightly greater than 3/16”) 316 stainless steel probe with a pointed tip.
All materials at the probe end of the cable are FDA food-rated, including the cable.
Ultra Low Temperature Probes
Temperature range: -90°C to +40°C

Diameter: 5mm
LogTag Short Round-Tip Low-Temperature Probe (ST10S)
Suitable for TREL and UTREL low-temperature model loggers.
The tipped probe incorporates a 22mm exposed length of 5mm OD 316 stainless steel probe.
All materials at the probe end of the cable are FDA food-rated, including the cable.

Diameter: 5mm
LogTag Medium Round-Tip Low-Temperature Probe (ST10M)
Suitable for TREL and UTREL model loggers.
The medium-tipped probe incorporates a 65mm exposed length of 5mm OD 316 stainless probe.
All materials at probe end of cable are FDA food-rated including the cable.