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華儀安規(guī)測(cè)試儀型號(hào)：7400系列產(chǎn)品類型：安規(guī)測(cè)試系列特點(diǎn)：.交/直流耐壓、絕緣阻抗、接地阻抗測(cè)試.20×2點(diǎn)矩陣LCD顯示器.可選配內(nèi)建4組或8組高壓矩陣式掃描信道(7420,74307440).內(nèi)建50組程序記憶、每一組8個(gè)測(cè)試步驟可進(jìn)行程序記憶步驟的連結(jié)測(cè)試.測(cè)試線路阻抗自我歸零校整功能

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華儀安規(guī)測(cè)試儀
型號(hào)：7400系列
產(chǎn)品類型：安規(guī)測(cè)試系列

特點(diǎn)：

. 交/直流耐壓、絕緣阻抗、接地阻抗測(cè)試

. 20×2 點(diǎn)矩陣 LCD 顯示器

. 可選配內(nèi)建4組或8組高壓矩陣式掃描信道(7420, 7430 & 7440)

. 內(nèi)建50組程序記憶、每一組8個(gè)測(cè)試步驟可進(jìn)行程序記憶步驟的連結(jié)測(cè)試

. 測(cè)試線路阻抗自我歸零校整功能，確保測(cè)試結(jié)果的準(zhǔn)確性

. 前面板軟件輸入校正

. 內(nèi)建PLC Remote遙控界面

. 鍵盤鎖定功能

. 可外接標(biāo)準(zhǔn)GPIB/RS232/Print Card界面作控制

. 全范圍電壓輸出的穩(wěn)壓率在1%以內(nèi)

MODEL	7410	7412	7420	7430	7440
AC WITHSTANDVOLTAGE
Output Rating	5KVAC/30mA	5KVAC/20mA	5KVAC/30mA	5KVAC/40mA	5KVAC/40mA
	Range	Resolution		Accuracy
Output Voltage,ACV	0 - 5000	1		±(2% of setting +5V)
Output Frequency	50Hz/60Hz ±100ppm, UserSelection
Output Waveform	Sine Wave ,THD.<2%(Resistive Load), Crest Factor = 1.3 - 1.5
Output Regulation	± (1% of output + 5V), From noload to full load
SETTINGS
Hi-Limit AC Current, mA	0-30.00	0-20.00	0-30.00	0-40.00	0-40.00
	Resolution : 0.01, Accuracy :±(2% of setting +3counts)
Lo-Limit AC Current, mA	Range : 0 -9.999
	Resolution : 0.001, Accuracy :±(2% of setting +3counts)
Ramp Time, second	0.1 - 999.9	0.1		±(0.1% +0.05sec)
Dwell Time, second	0, 0.3 - 999.9 (0=continu)	0.1
Arc Detection	1 - 9 ranges (9 is the mostsensitivity)
AC Current Offset, mA	0 - 2.000 or AutoSet
DC WITHSTANDVOLTAGE
Output Rating	6KVDC/9999mA
Output Voltage,DCV	0 - 6000	1		±(2% of setting +5V)
Output Ripple	<5%(6KV/9999µA at ResistiveLoad)
SETTINGS
Hi-Limit DC Current, µA	0 - 9999	1		±(2% of setting +3counts)
Lo-Limit DC Current, µA	0 - 999.9	0.1		±(2% of setting +3counts)
Ramp Time, second	0.1 - 999.9	0.1		±(0.1% + 0.05sec)
Dwell Time, second	0, 0.4 - 999.9 (0=continu)	0.1
Arc Detection	1 - 9 ranges (9 is the mostsensitivity)
DC Current Offset, mA	0 - 200.0 or AutoSet
Ramp High Current	ON/OFF, UserSelection
Charge – Low Current, µA	0 - 350.0 or AutoSet
Discharge Time	< 200 msec
INSULATIONRESISTANCE
Output Rating	1KVDC/9999MΩ
Output Voltage,DCV	100 - 1000	1		±(2% of setting +3V)
Hi-Limit Resistance,MΩ	0, 1 - 9999(0=OFF)	1		±(2% of setting+2counts) at 500-1000VDC, 1 -1000 MΩ
				±(8% of setting+2counts) at 500-1000VDC, 1000 -9999 MΩ
Lo-Limit Resistance,MΩ	1 - 9999	1		±(8% of setting+2counts) at 100-500VDC, 1 -1000 MΩ
Delay Time, second	0, 0.5 - 999.9 (0=continu)	0.1		±(0.1% + 0.05sec)
Charge – Low Current, µA	0 - 3.500 or AutoSet
GROUND BOND (7440ONLY)
Output Rating	30A/600mΩ, 8V
Output AC Current,A	3.00 - 30.00	0.01		± (2% of setting +3counts)
Output AC Voltage,V	3.00 - 8.00	0.01		± (2% of setting +3 counts) atOpen circuit
Output Frequency	50Hz/60Hz ±100ppm, UserSelection
SETTINGS
Hi-Limit Resistance,mΩ	0 – 150 (3 - 30A)	1		± (2% of setting +2counts)
Lo-Limit Resistance,mΩ	0 - 600 (3 -10A)
Lead Resistance Offset, mΩ	0 -200	1		± (2% of setting +2counts)
Dwell Time, second	0.5 - 999.9s(0=continu)	0.1		±(0.1% + 0.05sec)
MEASUREMENT
AC/DC Voltage, KV	0 - 6.00	0.01		±(1.5% of reading +1count)
DC Voltage, V (IR)	100 - 1000	1		±(1.5% of reading +3V)
AC Current Range, mA	0-3.500	0-3.500	0-3.500	0-3.500	0-3.500
	3.00-30.00	3.00-20.00	3.00-30.00	3.00-40.00	3.00-40.00
AC Current Resolution, mA	0.001/0.01
AC Current Accuracy, mA	± (2% of reading +3counts)
DC Current Range,µA	0-350.0	0.1		± (2% of reading +3counts)
	300 - 3500	1
	3000-9999	10
AC Current, A (GB)	0 - 35.00	0.01		±(2% ofreading+3counts)
Resistance, ,MΩ(IR)	1 - 9999 (Auto Range)	0.001 0.01 0.1 1		±(8% of reading+2counts) at 100-500VDC, 1--1000 MΩ ±(8% of reading+2counts)at500-1000VDC, 1000 -9999 MΩ ±(8% of reading+2counts) at 100-500VDC, 1 -1000 MΩ
Resistance, mΩ (GB)	0 - 600	1		±(2% ofreading+2counts)
GENERAL
Input Voltage AC	115/230Vac±15%, 50/60Hz ± 5%,Fuse 5A Slow for 7410/7412 model, 6.3A Slow for 7420/7430/7440model
PLC Remote Control	Input : Test , Reset ,Memory1.2.3 Output : Pass , Fail ,Processing
Memory	50 memories, 8steps/memory
Display	20×2 LCD with backlight
Key Lock	To prevent unauthorizedalteration of the test Parameters
Calibration	Build-in software and externalcalibrated meters
Alarm Volume Setting	Range: 0-9 ;0=OFF, 1 is softestvolume, 9 is loudest volume.
Rear Panel Output	YES	YES	YES	YES	YES
Built-in Scanner	-	-	8channels	Option	Option
External Scanner	YES	YES	YES	YES	YES
Smart GFI	YES	YES	YES	YES	YES
Analog Meter	-	YES	-	YES	YES
RS232 Interface	Option	Option	Option	YES	YES
GPIB Interface	Option	Option	Option	Option	Option
Printer Interface	Option	Option	Option	Option	Option
TUV-GS listed	-	YES	-	YES	YES
CE Compliance	-	YES	-	YES	YES
Environment	0-40℃, 20-80%RH
Dimension (W×H×D)	430×133×300 (mm)		430×133×500( mm)	430×133×500(mm)
Net Weight	12Kg		18Kg	22Kg
STANDARDACCESSORIES
Power Cord(10A)	×1
Fuses	×2 (Including a spare containedin the fuse holder)
Hipot Test Lead , 1.5m(1101)	×1
Return Test Cable (1102)	×1
Hipot Return Lead , 1.8m(1103)	-	-	-	-	×1
Ground Bond Return Lead 30A,1.5m(1104)	-	-	-	-	×1
Hipot Output Link Lead , 1.5m(1109)	-	-	×8	-	-
RS232 Link Cable 1.5m(1130)	-	-	-	×1	×1
Disk (RS232 test program)	-	-	-	×1	×1