Extech Instruments EX542 User Manual page 16

Function
Resistance
Capacitance
Frequency
(electronic)
Frequency
(electrical)
Duty Cycle
Temp
(type-K)
4-20mA%
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.
Range Resolution
400 0.01
4k 0.0001k
40k 0.001k
400k 0.01k
4M 0.001M
40M 0.001M
40nF 0.001nF
400nF 0.01nF
4F 0.0001F
40F 0.001F
400F 0.01F
4000µF 0.1µF
40mF 0.001mF
40Hz 0.001Hz
400Hz 0.01Hz
4kHz 0.0001kHz
40kHz 0.001kHz
400kHz 0.01kHz
4MHz 0.0001MHz
40MHz 0.001MHz
100MHz 0.01MHz
Sensitivity: 0.8V rms min. @ 20% to 80% duty cycle and <100kHz; 5Vrms min @
20% to 80% duty cycle and > 100kHz.
40.00HZ-4KHz
Sensitivity:5Vrms
0.1 to 99.90% 0.01%
Pulse width: 100µs - 100ms, Frequency: 5Hz to 150kHz
-58 to 1382F 0.1F
-50 to 750C 0.1C
-25 to 125% 0.01%
0mA=-25%, 4mA=0%, 20mA=100%, 24mA=125%
0.01HZ to
0.001KHz
16
Accuracy
(0.3% reading + 9 digits)
(0.3% reading + 4 digits)
(2.0% reading + 10 digits)
(3.5% reading + 40 digits)
(3.5% reading + 10 digits)
(5% reading + 10 digits)
(0.1% reading + 1 digits)
Not specified
(0.5% reading)
(1.2% reading + 2 digits)
(1.0% reading + 4.5°F)
(1.0% reading + 2.5°C)
(probe accuracy not included)
±50 digits
EX542-en-GB_v1.5 06/15