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Extech 421509 7 Thermocouple Datalogger with Alarm
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Extech 421509
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Features:
- Seven Thermocouple type selections: K, J, T, E, R, S, 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
- Data Hold and Relative Function
- Built-in bi-directional RS-232 PC interface
- Programmable Hi/Lo audible alarm
- Real time clock with calendar
- Selectable auto power off function, disable capability
- 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
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Description
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Memory stores up to 16 data sets, 1024 maximum data capacity.
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Models, Options, & Accessories
| Model |
Description |
List Price |
Sale Price |
| 421509 |
THERMOMETER, DUAL J,K,T,E R,S,N, W/ RS-232 SOFTaiwanARE |
| $189.99 |  |
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| 421509-NIST |
DUAL THERMOMETER W/NIST 421509 |
| $254.99 | |
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| Model |
Accessories |
List Price |
Sale Price |
| 153117 |
AC ADAPTOR, 117VAC |
| $26.99 | |
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Specifications
| General |
| K type |
-328 to 2501°F (-200 to 1372°C) 0.1o (0.2°>700°F) |
| J type |
-346 to 2192°F (-210 to 1200°C) 0.1o (0.2o>500°F) |
| T type |
-328 to 752°F (-200 to 400°C) 0.1o (0.2o>600°F) |
| E type |
-346 to 1832°F (-210 to 1000°C) 0.1o (0.2o>450°F) |
| R type |
32 to 3212°F (0 to 1767°C) 1o |
| S type |
32 to 3212°F (0 to 1767°C) 1o |
| N type |
-58 to 2372°F (-50 to 1300°C) 0.2°F (0.1°C) |
| Accuracy |
| K, 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°C |
| N 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°C |
| R, S types |
±(0.05% rdg + 4.0°F) 32°F to 3212°F
±(0.05% rdg + 2.0°C) 0°C to 1767°C |
| Supplied Therm°Couples |
4', type K (with teflon insulation) Max insulation temp: 500°F (260°C) |
| Accuracy |
± 4°F (±2.2°C) or ± 0.75% °F rdg
(whichever is greater) from 32 to 1472°F (0 to 800°C) |
| Battery Life |
100 hours typical |
| Dimensions/Weight |
7.5x3.6x2.1” (192x91x52.5mm); 11.7oz. (365g) |
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