Extech 407907 RTD Heavy Duty Probe Thermometer - Thermocouple Thermometer with PC interface features: Higher resolution to 0.01° over wide Temperature ranges; Wide temperature range measures to 1472°F (800° C); Large 4-1/2 digit (20,000 count) LCD display; Built-in linearity correction with fast response, etc.
Extech 421501 Type K Single Input Big Digit Thermocouple Thermometer features: Type K Single input with large backlit LCD and water resistant housing; Rugged water tight design; Large 0.8" (20mm) digit LCD with backlighting; MAX readings; Data Hold.
Extech 421502 Dual Input Thermocouple Thermometer Type J/K with Alarm features: Dual Type J or K input with dual display, relative and programmable High/Low audible alarms; Widest range with highest 0.05% accuracy; Rugged design for field use; Large dual LCD displays T1, T2 or T1-T2, plus Elapsed Time; Min/Max/Avg readings; Data Hold and Relative functions; Programmable Hi/Lo audible alarms.
Extech 421502-NIST- NIST Calibration Certificate –Dual Input Thermocouple Thermometer Type J/K with Alarm features: Dual Type J or K input with dual display, relative and programmable High/Low audible alarms; Widest range with highest 0.05% accuracy; Rugged design for field use; Large dual LCD displays T1, T2 or T1-T2, plus Elapsed Time; Min/Max/Avg readings; Data Hold and Relative functions; Programmable Hi/Lo audible alarms.
Extech 421509 Data Logger 7 Thermocouple and Alarm features: Memory stores up to 16 data sets, 1024 maximum data capacity; Seven Thermocouple type selections: K, J, T, E, R, S, and N; Large backlit LCD with two secondary displays for simultaneous T1, T2, T1-T2, Time and advanced readouts; T/C offset adjustment; REC, MAX, MIN, MAX-MIN, AVG and °C/°F switchable; Complete with two Type-K bead wire temperature probes (-4 to 482°F/-20 to 250°C), Windows® 95/98/ME/NT/ 2000/XP compatible software, RS-232 cable, protective holster, and 9V battery.
