Extech Instruments EX623 User Manual page 14

Function Range
Frequency 40.000Hz
(test leads)
400.00Hz
4000.0Hz
40.000kHz
400.00kHz
4000.0kHz
40.000MHz
100.00MHz
Sensitivity: 5 to 5kHz; 0.8Vrms min., 5kHz to 150kHz; 5Vrms min
Duty Cycle 0.5% to 99.0%
Pulse width: 100s to 100ms, Frequency: 5Hz to 150kHz
Temperature -58 to -4°F
Type K -50 to -19°C
-4 to 31°F
-20 to -1°C
32°F
0°C
33 to 211°F
1 to 100°C
212 to 718°F
101 to 399°C
719 to 1832°F
400 to 1000°C
Specification does not include probe accuracy
Temperature -58 to -4°F
IR -50 to -20°C
-4 to 31°F
-20 to -1°C
32°F
0°C
33 to 518°F
1 to 270°C
Resolution
0.001Hz
0.01Hz
0.1Hz
0.001kHz
0.01kHz
0.1kHz
0.001MHz
0.01MHz
0.1%
0.1° <1000°
1° >1000°
0.1°
14
Accuracy
(% of reading + digits)
±(0.3% + 3 digits)
±(0.3% + 2 digits)
Not specified
±(1.2% + 2 digits)
± 7°C/13°F
±(1.0% + 1°C/2°F)
±1°C/2°F
±(1.0% + 1°C/2°F)
±(1.5% + 2°C/3°F)
±(2.5% + 4°C/7°F)
± 5°C/9°F
±2% of reading or ±2°C/4°F
whichever is greater
±1°C/2°F
±2% of reading or ±2°C/3°F
whichever is greater
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