本月特价 热卖产品 货到付款 现场演示 延长保修 终身维修
|
Specifications |
Model 390A |
|
Volts |
|
|
DC Ranges |
400 mV, 4V, 40V, 400V, 1000V |
|
AC Ranges |
400 mV, 4V, 40V, 400V, 750V |
|
Resolution |
100uV, 1 mV, 10 mV, 100 mV, 1 V |
|
DC Accuracy |
+-(0.1% rdg + 2 dgt) |
|
AC Accuracy |
400 mV: +- (1.2% rdg + 5 dgt) |
|
|
50 Hz - 100 Hz |
|
|
+-(1.0% rdg + 3 dgt) 50 Hz - 500 Hz |
|
Overload Protection |
1100 VDC or AC rms |
|
Input Impedance |
400mV: > 100MΩ, 4V: 10 MOhm |
|
Current |
|
|
Ranges |
400 uA, 4 mA, 40 mA, 400 mA, 20A* |
|
Resolution |
0.1 uA, 1 uA, 10 uA, 100 uA, 10 uA |
|
DC Accuracy |
400 uA - 400 mA: +-(1% rdg + 5 dgt) 20 A: +- (2% rdg + 3 dgt) |
|
AC Accuracy |
400 uA to 400 mA: +-(1.5% rdg + 4 dgt) 20A: +-(2.5% rdg + 4 dgt.) |
|
Input Protection |
uA/mA Input: 0.5A/500V fast blow ceramic fuse 20A input: 20A/600A fast blow ceramic fuse |
|
Max. Burden Voltage |
500mV (2V on 4mA, 400mA ranges) |
|
Resistance |
|
|
Ranges |
400 Ω, 4 kOhm, 40 kOhm, 400 kOhm, 4 MOhm, 40 MOhm |
|
Resolution |
100 mΩ, 1 Ohm, 10 Ohm, 100 Ohm, 1 kOhm, 10 kOhm |
|
Accuracy |
400 Ω to 400 kOhm: +-(0.5% rdg + 4 dgt.) 4 MΩ: +-(1% rdg + 5 dgt.) 40 MΩ: +-(2% rdg + 5 dgt.) |
|
Open Circuit Voltage |
-0.45 VDC typ. (-1.2 VDC on 400 Ω range) |
|
Overload Protection |
500 VDC or AC rms |
|
Diode Test |
Tested at 1.2 mA, 3.0 VDC max. typ. +-(1.5% rdg + 3 dgt.) accuracy |
|
Transistor Test (hFE) |
Does not apply |
|
Capacitance |
|
|
Ranges |
4 nF, 40 nF, 400 nF, 4 uF, 40 uF, 400 uF, 4 mF, 40 mF |
|
Resolution |
1 pF, 10 pF, 100 pF, 1 nF, 10 nF, 100 nF, 1 uF, 10 uF |
|
Accuracy |
4 nF: +-(3% rdg + 20 dgt.) 4 nF to 40 uF: +-(3% rdg + 5 dgt.) 400uF to 40 mF: +-(5% rdg + 10 dgt.) |
|
Test Voltage |
< 1V |
|
Overload Protection |
500 VDC or AC rms |
|
Frequency |
|
|
Ranges |
4 kHz, 40 kHz, 400 kHz, 4 MHz, 40 MHz |
|
Resolution |
1 Hz, 10 Hz, 100 Hz, 10 kHz, 100 kHz |
|
Accuracy |
+-(0.1% rdg + 3 dgt.) |
|
Sensitivity |
1 Hz - 4 MHz: 1V rms 4 MHz-40MHz: > 2V rms, <5V rms |
|
Minimum Pulse Width |
> 25 ns |
|
Duty Cycle Limits |
> 30% & <70% |
|
Minimum Input Range |
|
|
Overload Protection |
500 VDC or AC rms |
|
Logic Test |
|
|
Logic Threshold |
Does not apply |
|
Frequency Response |
|
|
Pulse Width |
|
|
Pulse Limits |
|
|
Indication |
|
|
Overload Protection |
|
|
Temperature |
|
|
Range, Resolution |
-58 0 to +2372 0 F, 1 0 F (-50 0 to +1300 0 C) |
|
Accuracy |
+-(0.8% rdg + 2 0 C) -50 0 - 400 0 C +-(1% rdg + 2 0 C) 400 0 - 1300 0 C) |
|
Duty Cycle |
|
|
Range, Resolution |
Does not apply |
|
Accuracy (5V logic) |
|
|
Minimum Pulse Width |
|
|
Frequency Range |
|
|
Overload Protection |
|
|
General |
|
|
Display |
4000 count, 3 3/4 digit LCD with 41 segment analog bar graph |
|
Polarity |
Automatic, positive implied, negative polarity indication |
|
Operating Temperature |
32 0 to 122 0 (0 0 to 50 0 C), 0 to 70% R.H. |
|
Dimensions (HxWxD) |
7.8x3.5x1.57 (198x90x40 mm) |
|
Weight |
11.3 oz. (320g) |
|
Three Year Warranty | |
|
Accessories | |
|
SUPPLIED: 9V Battery, Test Leads, Instruction Manual, Thermocouple Probe (Model 390) OPTIONAL: TL-2A Deluxe Test Leads, TL-3 Accessory Tip Kit (for TL-2A), PR-28A High Voltage Probe (40kVDC), TL-130A General Purpose DMM Kit Carrying Case (not included): LC-29B | |
|
*10 A continuous, 20A for 30 seconds max. | |
分享仪器
隐藏对比框