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Extech 421502 Type J/K, Dual Input Thermometer with Alarm
Item #:
EXT-421502
Brand:
Extech
Share this product:
421502 Type J/K, Dual Input Thermometer with Alarm by Extech
Features
- Widest range with highest 0.05% accuracy
- Rugged design for field use
- Large dual LCD displays T1, T2 or T1-T2, plus Elapsed Time
- Differential temperature between Type J, Type K, or both Type J and K
- MIN/MAX/AVG readings
- Data Hold and Relative functions
- Programmable Hi/Lo audible alarms
- Complete with two Type K bead wire temperature probes (-4 to 482°F/-20 to 250°C), protective holster with stand, and 9V battery
Display | 5 digit LCD multifunction display |
Battery Power Supply | NEDA 1604, IEC 6F22, or 006P 9VDC battery. |
Auto Power off | Meter shuts down after approx. 30 mins. of inactivity |
Battery life | 160 hours typical with carbon zinc battery |
Dimensions / Weight | 7.5 x 3.6 x 2.1" (192x91x52.5mm); 11.7oz. (365g) |
J TC Range | -328 to 1922°F (-200 to 1050°C) |
K TC Range | -328 to 2498°F (-200 to 1370°C) |
Resolution | 0.1°C or 0.2°F |
Temperature units | Selectable C or F temperature units |
Accuracy | ±(0.05% rdg + 0.3°C) -50°C to 1370°C |
±(0.05% rdg + 0.7°C) -50°C to -200°C | |
±(0.05% rdg + 0.6°F) -58°F to 2498°F | |
±(0.05% rdg + 1.4°F) -58°F to -328°F | |
Temperature Coefficient | 0.1 times the applicable accuracy specifications per °C from 0°C to 18°C and 28°C to 50°C (32°F to 64°F and 82°F to 122°F) |
Water resistant housing | Gasket protected front panel |
Input Protection | 24VDC or 24VAC rms max. input on any combination of inputs. Max voltage between T1 and T2 inputs = 1V |
Reading rate | One reading per second |
Input connectors | Accepts standard miniature thermocouple connectors |
Supplied thermocouple | 4', type K, teflon insulation, Max insulation temp: 260°C (500°F) Accuracy: +2.2°C or +0.75% of rdg (whichever is greater) |
Ambient Operating Range | 32 to 122°F (0 to 50°C); less than 80% RH |
Storage Temperature | -4 to 140°F (-20 to 60°C); less than 70% RH |
Alarm | 95dB |