美国Simpson 228 泄漏电流表

Equivalent network component values:  

符合标准：IEC 990 (excluding fuse)

Equivalent measuring instrument load:  

1 MΩ- 10pF

1 MΩ- 62 pF

1 MΩ- 1 pF

Ranges:  

0.3, 1, 3, 10 M.I.U.

0.3, 1, 3, 10 M.I.U.

0-100 mA RMS

Current accuracy:  

±2% F.S. @ 60 Hz

Meter measurement method:  

True RMS

Meter frequency response:  

(Relative to ANSI C101-1992 or UL-1459 2nd edition)

DC to 1 Hz

Pointer shall track within 5% of peak

2Hz to 19Hz (Accuracy not supported)

20 Hz to 200 KHz

±2% F.S.

±2.5% of F.S.

±2% F.S.

200 KHz to 1 MHz

±2% F.S.

±2.5% F.S.

±5% F.S.

Output sensitivity:  

Full scale meter indication equals 1V RMS

(Measured with a 1 MΩ- 12 pF load)

Output accuracy:  

±2% of reading @ 60 Hz

Output frequency response:  

(Relative to ANSI C101-1992 or UL-1459 2nd edition)

DC to 50Hz

±2% of reading

50 Hz to 100 KHz

±2.5% of reading

±2% /-3% of reading

±2% of reading

100 kHz to 1 MHz

±5% of reading

Voltmeter range:  

0-300 V (AC or DC)

Voltmeter accuracy:  DC to 1 Hz

Pointer shall track within 5% of peak

2Hz to 19Hz (Accuracy not supported)

20 Hz to 1KHz

±3% F.S. @ 60 Hz (Add ±1% for every additional 100Hz)

Voltmeter frequency response:   

DC to 1 KHz

Power requirements:   

Power requirements:  (2) 9V (NEDA 1604A) batteries

Physical:   

7" x 5.25" x 3.125", 2-1/2 lbs (1.4kg), ABS plastic,fusedinput

Environmental:   

27°C ±2° C, 70% non condensing relative humidity. Outside thisrangederate by 10% per °C

Maximum  operating range ：   

0° to 40° C

 标配没有测试盒，原装测试盒价格较高，一般可选配以下国产制作的测试盒，性价比高，图片如下

请勿单独使用

请勿单独使用仪器测量存在电击危险的地方

请确保能给予你帮助的人就在附近

关闭电源测试设备

放电的电容器在连接或断开仪器前电路

确保仪器无损坏

使用仪器前，检查测试导线和连接器的损伤。

不要使用，损坏的设备。

做好防护措施

确保手和鞋子，以及地板和工作台，干燥。

避免潮湿和潮湿的条件下进行测量。

不混合使用仪器

不要使用测试线与最初配备的仪器不同