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BK391A万用表
BK391A万用表
订货号: MM-24993-00
产地: 法国
品牌:
开发编号: N
市场价:
*此产品根据配置不同价格不同
*此价格为参考价格,具体价格以订单合同为准
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产品描述:

20 000-counts display
Basic accuracy 0.05% V DC
Voltage measurement up to 1000V DC, 750V AC
Current measurement up to 20A
Resistance measurement up to 20Mohms
Frequency and capacitance measurement
Logic probe
Safety: IEC 1010 600V CAT III
 
Specifications
Model 391A
Volts
True RMS reading
DC Ranges
200 mV, 2V, 20V, 200V, 1000V
AC Ranges
200 mV, 2V, 20V, 200V, 750V
Resolution
10uV, 100mV, 1mV 10 mV, 100 mV
DC Accuracy
+-(0.05% + 3 dgt)
AC Accuracy
+-(1%+10 dgt.) 50 Hz - 500 Hz
 
+-(2% + 10 dgt.) 500 Hz - 2 kHz
 
500 Hz on 750V range
Overload Protection
1200VDC or AC rms
 
500VDC/AC rms 15 sec
 
on 200mV range
Input Impedance
10 MΩ
Current
True RMS reading
Ranges
200 uA, 2 mA, 20 mA, 200 mA, 20A*
Resolution
10nA, 100 nA, 1 uA, 10 uA, 1 mA
DC Accuracy
200 uA to 200 mA: +-(0.5% rdg + 5 dgt.) 20 A: +-(2% rdg + 10 dgt.)
AC Accuracy
200 uA to 200 mA: +-(1.2% rdg + 10 dgt.)
20A: +-(2.5% rdg + 20 dgt.)
Input Protection
uA/mA Input:
0.5A/500V fast blow ceramic fuse
20A input:
20A/600A fast blow ceramic fuse
Max. Burden Voltage
600mV (900 mV on 20A range)
Resistance
 
Ranges
200Ω, 2kOhm, 20 kOhm, 200 kOhm, 2 MOhm, 20 MOhm
Resolution
10 mΩ, 100 mOhm, 1 Ohm, 10 Ohm, 100 Ohm, 1 kOhm
Accuracy
200 Ω, 2 MOhm: +-(0.25% rdg + 10 dgt.)
2 kΩ to 200 kOhm: +-(0.15% rdg + 3 dgt.)
20 MΩ: +-(1.0% + 10 dgt.)
Open Circuit Voltage
3.2 VDC typ.
Overload Protection
500 VDC or AC rms
Diode Test
Tested at 1 mA, 3.2 VDC max. typ.
+-(1% rdg + 10 dgt.) accuracy
Transistor Test (hFE)
Does not apply
Capacitance
 
Ranges
Does not apply
Resolution
 
Accuracy
 
Test Voltage
 
Overload Protection
 
Frequency
 
Ranges
2 kHz, 20 kHz, 200 kHz
Resolution
0.1 Hz, 1 Hz, 10 Hz
Accuracy
+-(0.1% rdg + 3 dgt.)
Sensitivity
50 mV rms min. (@>30 & <70% duty cycle: 400 mV rms min.)
Minimum Pulse Width
> 25 ns
Duty Cycle Limits
> 30% & <70%
Minimum Input Range
2 kHz: 10Hz: 20 kHz: > 60 dgt; 200 kHz > 60 dgt
Overload Protection
500 VDC or AC rms
Logic Test
 
Logic Threshold
Hi=2.8+-0.8V, 0=0.8 +-0.5V
Frequency Response
20 MHz
Pulse Width
25 ns
Pulse Limits
> 20% and < 80%
Indication
40m sec beep at logic 1 (Hi)
Overload Protection
500 V DC or AC rms
Temperature
 
Range, Resolution
Does not apply
Accuracy
 
Duty Cycle
 
Range, Resolution
0 to 90%, 0/1%
Accuracy (5V logic)
+-(2.0% + 10 dgt.)
Minimum Pulse Width
10 us
Frequency Range
40 Hz to 20 kHz
Overload Protection
500 VDC or AC rms
General
 
Display
20000 count, 4 1/2 digit LCD
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.


品牌简介

Sefram为B+K Precision集团旗下品牌之一,公司设立于法国,创建于1947年,拥有60年的丰富经验与高度信誉。Sefram专致于记录仪及电视信号分析仪器的生产与研究,产品于欧美拥…Sefram为B+K Precision集团旗下品牌之一,公司设立于法国,创建于1947年,拥有60年的丰富经验与高度信誉。Sefram专致于记录仪及电视信号分析仪器的生产与研究,产品于欧美拥有极高的声誉,Sefram将以卓越的技术为您提供最精准的测量与分析。

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