7470耐壓測(cè)試儀，超高壓耐壓測(cè)試儀

簡(jiǎn)要描述：耐壓測(cè)試儀，是交流超高壓安全測(cè)量?jī)x器。該儀器符合GB、HB、IEC、ISO等國(guó)內(nèi)、標(biāo)準(zhǔn)，廣泛適用于電子儀器、電力電器設(shè)備、電子元器件、電工器材、絕緣材料、電線電纜等需要進(jìn)行耐壓測(cè)試的廠礦企業(yè)、計(jì)量與科研單位

產(chǎn)品型號(hào)：

所屬分類：耐壓儀

更新時(shí)間：2026-01-03

廠商性質(zhì)：生產(chǎn)廠家

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詳情介紹

7470?耐壓測(cè)試儀，超高壓耐壓測(cè)試儀

產(chǎn)品特點(diǎn)：

· 7470交流輸出 20KV/ 10mA
· 20×2 點(diǎn)矩陣LCD 顯示器
· 內(nèi)含智能型防高壓觸電裝置Smart GFI(: 169000)
· 全范圍輸出穩(wěn)壓率可達(dá)1%
· 內(nèi)建50組程序記憶；記憶組間可進(jìn)行連結(jié)測(cè)試
· 內(nèi)建遠(yuǎn)程控制界面
· 鍵盤鎖定功能
· 可選購(gòu)界面GPIB,RS232或Printer Card
· 中國(guó)臺(tái)灣華儀 Extech 7470 超高壓耐壓測(cè)試儀,

7470?耐壓測(cè)試儀，超高壓耐壓測(cè)試儀

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 (for 7470)	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 Current Range, 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
Dwell Time	0, 0.4 - 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 - 9 (9 is the most sensitivity)
DC Current Offset, µA	0.0 - 200.0 or Auto Set (Option )
Ramp High Current	ON/OFF, User Selection
Charge-Low Current, µA	0.0 - 350.0 or Auto Set
Discharge Time	< 200 msec
Maximum Capacitive Load	1.5µF < 2KV 0.15µF < 8KV 0.12µF < 14KV 0.08µF < 20KV 0.28µF < 4KV 0.15µF < 10KV 0.1µF < 16KV
MEASUREMENT
DC Voltage, KV (for 7474)	0 - 20.00	0.01	± ( 1.5% of reading + 2count )
DC Voltage, KV (for 7472)	0 - 10.00	0.01	± ( 1.5% of reading + 2count )
DC Current Range, µA	0-350.0	0.1	± (2% of reading + 3counts)
	300-3500	1
	3000 - 5000 (for 7474)	10
	3000-9999 (for 7472)
GENERAL
Input Voltage AC	115/230VAC ± 15% , 50/60Hz ± 5% Fuse: 6.3A Slow
PLC Remote Control	Input : Test , Reset , Memory1.2.3 ,Interlock
	Output : Pass , Fail , Processing
Safety	Smart-GFI Function (<1mA)
Memory