Extech Instruments AUT500 User Manual page 15

Function
Frequency
Duty Cycle
RPM 4
(tachometer)
RPM 2/DIS
DWELL ANGLE
NOTES:
Accuracy is stated at 18
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
4.000Hz 0.001Hz
40.00Hz 0.01Hz
400.0Hz 0.1Hz
4.000MHz 0.001kHz
40.00MHz 0.01kHz
Sensitivity: >5V RMS up to 40MHz and >15 VRMS over 40MHz
0.5 to 99.9%
Pulse width: 100µs to 100ms; Frequency: 5Hz to 100kHz; Sensitivity: >5V RMS
600 to 4000 RPM
1000 to 12000 x10 RPM
300 to 4000 RPM
1000 to 6000 x10 RPM
Effective Reading >600V
4 CYL 0 to 90.0
5 CYL 0 to 72.0
6 CYL 0 to 60.0
8 CYL 0 to 45.0
o o o
C to 28 C (65 F to 83
(1.5% reading + 5 digits)
(1.2% reading + 2 digits)
(2.0% reading + 5 digits)
0.1%
1 RPM
10 RPM
1 RPM
10 RPM
o
o
o
0.1
o
o
o
F) and less than 75% RH
15
Accuracy
(2.0% reading + 4 digits)
(2.0% reading + 4 digits)
AUT500-EU-EN v1.0 5/13