Major tech MT1881 IV Manuale di istruzioni - Pagina 17
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8.10. DUTY CYCLE
Range
0.1%~99.9%
Pulse width: >100us, <100ms;
Frequency width: 5Hz – 150 kHz
Sensitivity: <0.5V RMS
Overload protection: 250V DC or 250V AC RMS.
8.11. DIODE TEST
Range
0.3mA typical
Open circuit voltage: MAX. 3.2V DC
Overload protection: 250V DC or 250V AC RMS.
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.
Note: Accuracy is stated at 18 to 28°C (65 to 83°F) and less than
75%RH.
8.12. AUDIBLE CONTINUITY
Function
Enclosure
Shock (Drop Test)
Diode Test
Continuity Check
AC Response
ACV Bandwidth
Crest Factor
Display
Overrange indication
Audible threshold: Less than 50Ω Test current MAX. 1mA
Overload protection: 250V DC or 250V AC RMS.
Resolution
Accuracy
0.1%
±1.2% of reading ± 2 digits
Resolution
Accuracy
1 mV
±10% of reading ± 5 digits
Range
Double molded, waterproof
6.5 feet (2 meters)
Test current of 0.9mA maximum, open circuit
voltage 3.2V DC typical
Audible signal will sound if the resistance is less
than 50Ω (approx.), test current <1mA
True RMS
50Hz to 400Hz
≤3 at full scale up to 500V, decreasing linearly
to ≤1.5 at 1000V
6000 count backlit liquid crystal with bargraph
"OL" is displayed
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