Soil temperature
probe TO3R Versatile, adaptable to many different
reading instruments : simple ohm-meters as well as loggers
- Price (040101): 35
Euro with 5 m cable, 45 Euro with 30 m cable.
- Stainless steel SIS 2346
- Long term durablility also if placed below ground water
level.
- Double thermistor with high resistance: 19 995 Ohm at
0 ºC
- Temperature range -18 -- +30 ºC. After further calibration
the range can be expanded.
- Resulotion: More than 25 Ohm per 0.1 ºC (-25 -- +25
ºC)
- Cabel of desired length: 5, 10 up to 30 m.
Simple plug in to loggers such
as Campbell CR10. Two wire system.
More than 1500 probes has been sold to scientific
institutions. Few complains since 1985.
Other products
Respicond®: laboratory soil respiration
instrument
More Information: Nordgren
Innovation
We assist inventors with construction of prototypes:
electronic and mechanical.