Go Direct* Conductivity Probe, determines the ionic content of an aqueous solution by measuring its electrical conductivity, Range: 0 to 20,000 uS/cm, Temperature compensation: Automatic from 5 to 35 deg C, can be turned off, Temperature range: 0 to 80 deg C
Go Direct* Wide-Range Temperature Probe, with Micro USB Cable, -20degC to 330degC Temperature, Temperature sensing element Platinum RTD (100 omega), Maximum temperature that the sensor can tolerate without damage 380degC, Dimension: 28x17 cm
HOBOnet Wireless Temperature Sensor, provides a cost-effective and scalable solution for web-enabled monitoring of air, soil, water temperatures, Measurement range of -40 deg to 100 deg C (-40 deg to 212 deg F), Stainless-steel sensor tip, 900 MHz wireless
HOBO* 64K Pendant* Temperature/Alarm (Waterproof) Data Logger, one channel and is recommended for short-term shipping or long-term monitoring, Waterproof housing for wet or underwater use, 64K bytes memory, Data readout in less than 30 seconds
Go Direct* ORP (Oxidation-Reduction Potential) Sensor, measures the ability of a solution to act as an oxidizing or reducing agent, Type: Sealed, gel-filled, epoxy body, Ag/AgCl reference, Storage solution: pH-4/KCl solution, Temperature range: 0 to 60 degree 'C, 12 mm OD