Hanna Instruments HI141JHS/120 Thermo Logger LCD Display, Penetration Probe with 2 NTC Internal Sensor

2 channels with external sensor. With LCD display. 8,000 samples/channel. Logging interval from 1 second to 24 hours. Logging delay start up to 199 hours and magnetic start.Programmable high and low alarms. Non-volatile storage of logging. Waterproof casing. BEPS (Battery Error Protection System).External temperature sensor models feature two stainless steel sensors on a 1m (3.3') cable for direct insertion. HI 141 can store up to 16,000 temperature samples in a protected, non-volatile EEPROM memory. The MIN or MAX temperature between logging intervals can also be stored. All of your collected data is tamper-proof and stored into serial numbered lots. The HI 141000 Windows compatible software supports communication between the logger and the PC through the HI 141001 infrared transmitter. The waterproof housing can include a convenient hanging hook. For a typical 1 minute logging interval, the battery will last about 4 years. Contain hook for easy mounting. Temperature range (-40.0 to 125.0 degree C) -40 to 257 degree F.