Extech 421509: 7 Thermocouple Dual Input Datalogger with Alarm
Memory stores up to 16 data sets, 1024 maximum data capacity
421509 is a 7 Thermocouple Dual Input Datalogger with Alarm. Built-in PC interface with internal memory stores up to 16 data sets and a maximum of 1024 readings that can be downloaded to your PC for storage and analysis. Accepts seven thermocouple types (K,J,T,E,R,S,N) and features High/Low programmable alarms, Min/Max/Average readings, Data Hold, Relative Function, Auto Power off, and a real time clock with calendar. Comes complete with two Type K bead wire temperature probes, software and cable, protective holster, and 9V battery.
- Seven Thermocouple type selections: K, J, T, E, R, S, N
- Large backlit LCD with two secondary displays
- Simultaneous display of T1, T2, T1-T2, Time and advanced readouts
- T/C offset adjustment, °C/°F switchable
- REC, MAX, MIN, MAX-MIN, AVG Data Hold and Relative functions
- Programmable Hi/Lo audible alarm
- Built-in bi-directional RS-232 PC interface (PC software and cable included)
SpecificationsRangeResolutionK type-328 to 2501°F (-200 to 1372°C)0.1° (0.2°>700°F)J type-346 to 2192°F (-210 to 1200°C)0.1° (0.2°>500°F)T type-328 to 752°F (-200 to 400°C)0.1° (0.2°>600°F)E type-346 to 1832°F (-210 to 1000°C)0.1° (0.2°>450°F)R type32 to 3212°F (0 to 1767°C)1°S type32 to 3212°F (0 to 1767°C)1°N type-58 to 2372°F (-50 to 1300°C)0.2°F (0.1°C)AccuracyK, J, T, E types±(0.05% rdg + 0.6°F) -58°F to 2501°F±(0.05% rdg + 1.4°F) -58°F to -346°F±(0.05% rdg + 0.3°C) -50°C to 1370°C±(0.05% rdg + 0.7°C) -50°F to -210°CN type±(0.05% rdg + 1.6°F) -58°F to 32°F±(0.05% rdg + 0.8°F) 32°F to 2372°F±(0.05% rdg + 0.8°C) -50°C to 0°C±(0.05% rdg + 0.4°C) 0°F to 1300°CR, S types±(0.05% rdg + 4.0°F) 32°F to 3212°F±(0.05% rdg + 2.0°C) 0°C to 1767°CSupplied Thermocouples4', type K (with teflon insulation) Max insulation temp: 500°F (260°C) Accuracy: ± 4°F (±2.2°C) or ± 0.75% of rdg (whichever is greater) from 32 to 1472°F (0 to 800°C)Battery Life100 hours typicalDimensions/Weight7.5x3.6x2.1" (192x91x52.5mm); 11.7oz. (365g)
