型号 : | 7470 | 品牌 : | EXTECH 华仪 |
EXTECH7470 回收 华仪7470
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台湾华仪EXTECH,7470 超高压耐压测试仪简介:
直流耐压测试仪,12KV,10mA,键盘锁定功能。
型号
7470 ACW (10kV/20mA)
7472 DCW (10kV/20mA)
7473 ACW (20kV/10mA)
7474 DCW (20kV/5mA)
产品特点
7473 交流输出20KV / 10mA
7470 10KV/ 20mA
7474 直流输出20KV / 5mA
7472 12KV/ 10mA
20×2 点矩阵LCD 显示器
内含智能型防高压触电装置Smart GFI(专利: 169000)
全范围输出稳压率可达1%
内建50组程序记忆;记忆组间可进行连结测试
内建远程控制界面
键盘锁定功能
可选购界面GPIB,RS232或Printer Card
产品测试应用范围
马达&发电机
火星塞
电容器
连接器
航空组件
变压器
医疗器具
电线&电缆
铁心&电感
开关&继电器
技术参数
SPECIFICATIONS
MODEL
7470
7472
7473
7474
Output Rating
10KVAC/20mA
12KVDC/10mA
20KVAC/10mA
20KVDC/5mA
AC WITHSTAND VOLTAGE (7470&7473)
Range
Resolution
Accuracy
Output Voltage, ACV (for 7473)
0 - 20000
10
±(2% of setting + 20V)
Output Voltage, ACV (for 7470)
0 - 10000
10
±(2% of setting + 10V)
Output Frequency
50Hz/60Hz ±100ppm, User Selection
Output Waveform
Sine Wave ,THD.<2% (Resistive Load), Crest Factor = 1.3 - 1.5
Output Regulation
± (1% of output + 10V), From no load to full load
SETTINGS
Hi / Lo -Limit AC Current, mA (for 7473)
0 - 9.999
0.001
±(2% of setting + 2counts)
Hi / Lo -Limit AC Current, mA (for7470)
0 - 9.999/10.00 - 20.00
0.001/0.01
±(2% of setting + 2counts)
Ramp Up Time, second
0.1 - 999.9
0.1
±(0.1% + 0.05sec)
Ramp Down Time, second
0.0 - 999.9
0.1
Dwell Time
0, 0.3 - 999.9 sec (0=continuous)
0.1
0, 0.1 - 999.9 min (0=continuous)
0.1
0, 0.1 - 999.9 hr (0=continuous)
0.1
Cycle Test
0 - 9999 Times, (0=continuous)
Arc Detection
Range 1 - 7 > 15kV , Range 1 - 9 < 15kV
AC Current Offset, mA
0 - 2.000 or Auto Set ( Option )
MEASUREMENT
AC Voltage, KV (for 7473)
0 - 20.00
0.01
±(2% of reading + 2counts)
AC Voltage, KV (for 7470)
0 - 10.00
0.01
±(2% of reading + 2counts)
AC CurrentRange, mA
0-3.500
0.001
±(2% of reading + 3counts)
3.00-10.00 (for 7473)
0.01
3.00-20.00 (for 7470)
0.01
DC WITHSTAND VOLTAGE (7472&7474)
Output Voltage, DCV (for 7474)
0 - 20000
10
±(2% of setting + 20V)
Output Voltage, DCV (for 7472)
0 - 12000
10
±(2% of setting + 10V)
Output Ripple
<5%(在20KV/5000μA for 7474, 12KV/9999μA at Resistive Load for 7472)
SETTINGS
Hi / Lo -Limit DC Current, μA (for 7474)
0.0 - 999.9/1000 - 5000
0.1/1
±(2% of setting + 2counts)
Hi / Lo -Limit DC Current, μA (for 7472)
0.0 - 999.9/1000 - 9999
0.1/1
±(2% of setting + 2counts)
Ramp Up Time, second
0.4 - 999.9
0.1
±(0.1% + 0.05sec)
Ramp Down Time, second
0.0,1.0 - 999.9
0.1