Extech Instruments EX540 User Manual page 16

Function Range
Resistance
400Ω
4kΩ
40kΩ
400kΩ
4MΩ
40MΩ
Capacitance 40nF
400nF
4μF
40μF
400μF
4000µF
40mF
Frequency 40Hz
(electronic) 400Hz
4kHz
40kHz
400kHz
4MHz
40MHz
100MHz
Sensitivity: 0.8V rms min. @ 20% to 80% duty cycle and <100kHz; 5Vrms
min @ 20% to 80% duty cycle and > 100kHz.
Frequency 40.00HZ-4KHz
(electrical)
Sensitivity:5Vrms
Duty Cycle 0.1 to 99.90% 0.01%
Pulse width: 100µs - 100ms, Frequency: 5Hz to 150kHz
Temp
-58 to 1382°F 0.1°F
(type-K)
-50 to 750°C
4-20mA% -25 to 125%
0mA=-25%, 4mA=0%, 20mA=100%, 24mA=125%
Note: Accuracy specifications consist of two elements:
• (% reading) – This is the accuracy of the measurement circuit.
• (+ digits) – This is the accuracy of the analog to digital converter.
Resolution
±(0.3% reading + 9 digits)
0.01Ω
0.0001kΩ
0.001kΩ
±(0.3% reading + 4 digits)
0.01kΩ
0.001MΩ
±(2.0% reading + 10 digits)
0.001MΩ
0.001nF
±(3.5% reading + 40 digits)
0.01nF
0.0001μF
±(3.5% reading + 10 digits)
0.001μF
0.01μF
0.1µF
±(5% reading + 10 digits)
0.001mF
0.001Hz
0.01Hz
0.0001kHz
±(0.1% reading + 1 digits)
0.001kHz
0.01kHz
0.0001MHz
0.001MHz
0.01MHz
0.01HZ to
0.001KHz
±(1.2% reading + 2 digits)
±(1.0% reading + 4.5°F)
±(1.0% reading + 2.5°C)
0.1°C
(probe accuracy not included)
0.01%
16
Accuracy
Not specified
±(0.5% reading)
±50 digits
EX540-EN V1.2 7/10