Extech Instruments 380366, Руководство пользователя

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380366 V1.6 11/04 3
Range Specifications
Resistance / Audible Continuity
Range Resolution Accuracy Max. open
circuit voltage
Overload
Protection
400
Ω
0.1
Ω ±1%rdg + 5d 12.8V 220Vrms
Audible tone when Resistance <40
Ω
;
Short circuit current: 280mA (min. 200mA)
AC Voltage (40 to 500Hz)
Range Resolution Accuracy Input
impedance
Overload
Protect.
600VAC 1V ±1.5%rdg + 3d 4.5M Ω 750Vrms
Megohm (Auto Range)
Voltage Ranges Maximum
Resolution
Resistance
Accuracy
Voltage
Accuracy
250V +20% ~ -0%
500V +20%~ -0%
1000V
4, 40, 400,
4000M Ω
1k Ω
±3%rdg + 5d (<2000M Ω )
±5%rdg + 5d (>2000M Ω )
+10%~ -0%
Voltage Range 1mA Test Current Short Circuit
Current
250V @250K Ω
500V @500K Ω
1000V
4000M Ω
@1M Ω
< 1.5mA
Note:
Accuracies are specified as % r digits at (73°F ± 9°F) 23
o
C ±5
o
C < 80% RH
Meter Description
1. LCD Display
2. Megohmmeter TEST pushbutton
3. Test LOCK and DATA HOLD button
4. RECORD
button
5. LCD Backlight / Wake button
6. Function select switch
7. Storage
compartment
8. RS-232 interface jack
9. Test Lead input jacks (HI & LO)
10. Test Leads