类型	便携式安全仪器	品牌	华仪
型号	7740	测量范围	0 - 10000
测量	1%	尺寸	430mm(W)×133mm(H)×400mm(D)（mm）
用途	安规检测

                

特點
	7473交流輸出20KV / 10mA & 7470 10KV/ 20mA
	7474直流輸出20KV / 5mA & 7472 12KV/ 10mA
	20×2 點矩陣LCD 顯示器
	內含智慧型防高壓觸電裝置Smart GFI(專利: 169000)
	全範圍輸出穩壓率可達1%
	內建50組程式記憶；記憶組間可進行連結測試
	內建遠端控制界面
	鍵盤鎖定功能
	可選購界面GPIB,RS232或Printer Card
	產品測試應用範圍 馬達&發電機 火星塞 電容器 連接器 航空元件 變壓器 醫療器具 電線&電纜 鐵心&電感 開關&繼電器

 

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
	0.18µF < 6KV 0.12µF < 12KV 0.08µF < 18KV
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) 3000-9999 (for 7472)	10
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	50 memories
Display	20*2 LCD with back light
Key Lock	To prevent unauthorized alteration of the test Parameters
Calibration	Build-in software and external calibrated meters
Interface	RS232/GPIB /Printer Card (Option)
Alarm Volume Setting	10 ranges set by the numeric keys on the front panel
Environment	0-40℃, 20-80%RH
Dimension	430mm(W)×133mm(H)×400mm(D)
Net Weight	24Kg	24Kg	22.5Kg	23Kg
STANDARD ACCESSORIES
Power Cord (10A)	×1
Fuses	×2 (Including a spare contained in the fuse holder)
Interlock Disable Key (1505)	×1
Hipot Test Lead ,1.5m (1142)	-	-	×1	×1
Hipot Test Lead ,1.5m (1143)	×1	×1	-	-
Hipot Return Lead ,1.8m (1144)	×1	×1	×1	×1