【EXTECH 华仪7742交直流耐压绝缘电阻测试仪】价格_厂家

EXTECH 华仪7742交直流耐压绝缘电阻测试仪

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中国深圳

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华仪

型号

7742

产品详细

自动提示讯息功能(Prompt)。
· 快速放电线路 (:104990)。
· 可设定校正日期-时间的预警功能。
· 内建50组程序记忆、每一组30个测试步骤，可于一次设定连续测试。
· 全范围电压输出稳压率在1%以内。
· 键盘锁定功能。
· 内含防高压触电线路Smart GFI (:169000)。
· 简单易懂的人机界面。
· 缓升上限(Ramp High)设定(:100859)。
· 充电下限(Charge Low)设定 (:106128)。
· 内建PLC Remote可程序遥控界面。
· 可外接标准GPIB/RS-232界面作控制。
· 备有小电流接地阻抗检查功能(Continuity)。
· 量测速度快，准确度高。
· Extech 7742 安规综合分析仪,:

产品规格:

SPECIFICATIONS
MODEL	7742
AC WITHSTAND VOLTAGE
	Range	Resolution	Accuracy
Output Voltage, ACV	0-5000	1	± (2% of setting + 5V)
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 + 5V), From no load to full load
SETTINGS
HI and LO-Limit (Total), current, mA	0.000-9.999 (0=OFF)	0.001	± (2% of setting + 2 counts)
HI and LO-Limit (Total), current, mA	10.00-40.00	0.01	± (2% of setting + 2 counts)
HI and LO-Limit (Real), current, mA	0.000-9.999	0.001	± (3% of setting + 50μA)
HI and LO-Limit (Real), current, mA	10.00-40.00	0.01	± (3% of setting + 50μA)
Ramp-Up Timer, second	0.1 - 999.9	0.1	± (0.1% + 0.05 sec)
Ramp-Down Timer, second	0.0-999.9
Dwell Timer, second	0, 0.4 - 999.9 (0=continuous)
Ground Continuity	Current: DC 0.1 A ± 0.01A, fixed
Ground Continuity	Max. Ground Resistance: 1 Ω ± 0.1Ω, fixed
Arc Detection	1 - 9 ranges (9 is the most sensitivity)
DC WITHSTAND VOLTAGE
Output Voltage, DCV	0 -5000	1	± (2% of setting + 5V)
DC Output Ripple	<4 % ( 5KV/20mA at Resistive Load )
SETTINGS
HI and LO-Limit, current, μA	0.0 - 999.9	0.1	± (2% of setting + 2 counts)
HI and LO-Limit, current, μA	1000 - 20000	1	± (2% of setting + 2 counts)
Ramp-Up Timer, second	0.4 - 999.9	0.1	± (0.1% + 0.05 sec)
Ramp-Down Timer, second	0.0, 1.0-999.9
Dwell Timer, second	0, 0.3 - 999.9 (0=continuous)
Ramp-HI, current	>20 mA peak maximum, ON/OFF User Selection
Charge-LO, current	0.0 - 350.0 μA DC or Auto Set
Discharge Time	< 200 msec
Maximum Capacitive Load DC Mode	1μF < 1KV 0.08μF < 4KV 0.75μF < 2KV 0.04μF < 5KV0.5μF < 3KV
Ground Continuity	Current: DC 0.1 A ± 0.01A, fixed Max. Ground Resistance: 1 Ω ± 0.1Ω, fixed
Arc Detection	1 - 9 ranges (9 is the most sensitivity)
INSULATION RESISTANCE
Output Voltage, DCV	50 - 1000	1	± (2% of setting + 2 counts)
Charging Current	Maximum >20mApeak
SETTINGS
HI and LO-Limit, resistance, MΩ	0.05 - 99.99 (HI – Limit: 0 = OFF)	0.01	Same as Resistance MEASUREMENT Accuracy
	100.0-999.9	0.1
	1000-50000	1
Ramp-Up Timer, second	0.1 – 999.9	0.1	± (0.1% + 0.05 sec)
Ramp-Down Timer, second	0=OFF, 1.0-999.9
Delay Timer, second	0, 1.0 - 999.9 (0=continuous)
Charge-LO, current, μA	0.000 - 3.500 or Auto Set
GROUND BOND
Output AC Current, AC(7742 )	1.00 – 40.00	0.01	± (2 % of setting + 2 counts)
Output Voltage, Vac	3.00 – 8.00	0.01	± (2 % of setting + 3 counts)
Output Frequency, Hz	50Hz/60Hz ±100ppm, User Selection
Output Regulation	± (1% of output + 0.02A), Within maximum load limits, and over input voltage range.
Maximum Loading	1.00–10.00A/0–600mΩ, 10.01–30.00A/0–200mΩ, 30.01–40.00A/0–150mΩ
SETTINGS
Lead Resistance Offset, mΩ	0-200	1	1.00-2.99A,± (3 % of setting + 3 counts )
HI and LO-Limit Resistance, mΩ	0 – 150 (30.01-40.00A)	1	3.00 - 30A,± (2 % of setting + 2 counts )
	0 – 200 (10.01-30.00A)		3.00 - 40A,± (2 % of setting + 2 counts )
	0 – 600 (1-10.00A)
Dwell Timer, second	0, 0.5 - 999.9	0.1	± (0.1% + 0.05 sec)
	(0 = continuous)
CONTINUITY TEST
Output Current, DC	0.1A ± 0.01A, fixed
SETTINGS
Lead Resistance Offset, Ω	0.00-2.00	0.01	± (3% of setting+2 counts)
HI and LO-Limit, Resistance, Ω	0.00 – 10.00 (0=OFF)
Dwell Timer, second	0,0.3-999.9	0.1	± (0.1% + 0.05 sec)
Opt.734 (0 - 10kΩ)
Output Current	DC 0.1A ± 0.01A,Max.
SETTINGS
Max-Lmt, Ω	0.00 – 9.99	0.01	± (1% of setting+5 counts)
	10.0 – 99.9	0.1	± (1% of setting+2 counts)
	100 – 999	1
	1000 – 9999	1
Min-Lmt, Ω	0.00 – 9.99	0.01	± (1% of setting+5 counts)
	10.0 – 99.9	0.1	± (1% of setting+2 counts)
	100 – 999	1
	1000 – 9999	1
Dwell Timer, second	0.0, 0.3 – 999.9 (0 = continuous)	0.1	± (0.1% + 0.05 sec)
Resistance Offset, Ω	0.00 – 2.00	0.01	± (1 % of reading + 5 counts)
MEASUREMENT
	Range	Resolution	Accuracy
Voltage, KV(AC/DC)	0.00-5.00	0.01	± (1.5 % of reading +1 count)
Voltage, Vdc (IR only)	0-1000	1	± (1.5% of reading + 2 counts)
AC Current (Total), mA	0.000-3.500	0.001	± (2% of reading + 2 counts)
AC Current (Total), mA	3.00-40.00	0.01	± (2% of reading + 2 counts)
AC Current (Real), mA	0.000-9.999	0.001	± (3% of reading + 50?A)
AC Current (Real), mA	10.00-40.00	0.01	All Ranges PF > 0.1 , V > 250VAC
DC Current, μA	0.0 - 350.0	0.1	± (2% of reading + 2 counts)
DC Current, mA	0.300 – 3.500	0.001
DC Current, mA	3.00-20.00	0.01
AC Current, A (G.B for 7742 only)	0.00-40.00	0.01	± (3 % of reading + 3 counts)
Resistance, MΩ (IR)	50-499V / 500-1000V		50 – 499V0.05–999.9, ±(7% of reading+2 counts)
	0.050-1.999 / 0.050-9.999	0.001	500 – 1000V
	2.00-19.99 / 0.050-9.999	0.01	0.10–999.9, ±(2% of reading+2 counts)
	20.0-199.9 / 100.0-999.9	0.1	1000–9999, ±(5% of reading+2 counts)
	200-50000 / 1000-50000	1	10000–50000, ±(15% of reading+2 counts)
Resistance, mΩ (GB)	0-600	1	1.0 – 2.99 A, ± (3 % of reading + 3 counts) 3.00 – 40.00 A, ± (2 % of reading + 2 counts)
Resistance, Ω (Continuity)	0.00-10.00	0.01	± (3 % of reading + 2 counts)
Resistance, Ω (Continuity) Opt.734	0.00 – 9.99	0.01	± (1% of reading+5 counts)
	10.0 – 99.9	0.1	± (1% of reading+2 counts)
	100 – 999	1
	1000 – 9999	1
GENERAL
Input Voltage AC	115/230Vac±15%, 50/60Hz ± 5%, Fuse 10A/250V Slow-Blow for 7742 Model
PLC Remote Control	Input : Test, Reset, Interlock, Recall File 1 through 10
PLC Remote Control	Output:- Pass, Fail, Test-in-Process
Memory	50 memories, 30 steps/memory
Graphic Display	320 x 240 Monographic LCD, 9 ranges contrast setting
Safety	Built-in Smart GFI circuit,GFI trip current 450μA max, HV shut down speed: <1mS
Interface	Standard RS232, Optional Printer Port with Date and Time Stamp or GPIB (IEEE-488.2).
Security	Programmable password lockout capability to avoid unauthorized access to test set-up program.
Alarm Volume Setting	Range: 0-9 ;0=OFF, 1 is softest volume, 9 is loudest volume.
Calibration	Software and adjustments are made through the front panel. Automatic Calibration alert function to signal operator when re-calibration is due.
Environment	0-40℃, 20-80%RH
Dimensions/Net Weight	430mm (W)×133mm(H)×500 mm(D)/30Kg for MODEL 7742
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(1101)	×1
Ground Bond Test Lead 40A,1.6m(1137)	×1
Ground Bond Return Lead 40A,1.6m(1138)	×1
RS232 Link Cable 1.5m (1130)	×1
MATRIX SCANNER MODULE (Opt.736 for 7742)
High Voltage Rating	5KVAC/5KVDC
High Current Rating	40 A
Number of HV Channel	8
Number of HA Channel	8
RUN TEST MODULE (Opt.738,Opt.739 for 7742)
MEASUREMENT
	Range	Resolution	Accuracy
Voltage, Vac	00.-277.0	0.1	± (1.5% of reading +2counts), 30.0-277.0V
Current, Aac	0.00-15.00	0.01	± (2.0% of reading + 2counts)
Power, Watts	0-4200	1	± (5% of reading + 3 counts)
Power, Factor	0.000-1.000	0.001	± (8% of reading + 2 counts)
Leakage Current, mA	0.00-10.00	0.01	± (2% of reading + 2 counts)
MD Circuit	Leakage Current measuring resistance = 2KΩ±1%
Timer, second	0.0-999.9	0.1	± (0.1% of reading + 0.05 sec)
SETTINGS
HI and LO Limit AC Voltage, V	0.0-277.0	0.1	± (1.5% of setting + 0.2 V), 30.0-277V
HI and LO Limit AC Current, A	0.00-15.00	0.01	± (2.0% of setting + 2 counts)
HI and LO Limit AC Power, W	0 - 4200	1	± (5.0% of setting + 3 counts)
HI and LO Limit Power Factor	0.000-1.000	0.001	± (8% of setting + 2 counts)
HI and LO Limit Leakage Current	0.00-10.00, Hi-Limit 0=OFF	0.01	± (2% of setting + 2 counts)
Delay Time, second	0.2-999.9	0.1	± (0.1% + 0.05 sec)
Dwell Time, second	0, 0.1-999.9 (0=continuous)
Cold Resistance	0~10KΩ
DUT POWER
AC Voltage	0 - 277.0V, Single phase unblance, 0 - 15.0A maximum
Power Rating	4200 W maximum
DUT Protection	Short circuit current 23A, <3 sec, Inrush Current 68A Response time 1m sec
STANDARD ACCESSORIES
Power Cord(15A)	×1
LLT Receptacle Adaptor Box 20A ,1.6m(1905)	×1
LINE LEAKAGE TEST MODULE (Opt.739 for 7742)
CURRENT MEASUREMENT
Frequency Range	DC-1MHz
Leakage Current Range (RMS)	Resolution	Accuracy (DC-100KHz)	Accuracy ( >100KHz to 1 MHz)
0.0μA - 999.9μA	0.1μA	±(1.5% of reading + 3counts)	±(5% of reading + 5μA)
1000μA - 6000μA	1μA	±(1.5% of reading + 3counts)
Leakage Current Range (Peak), Opt.739 Only	Resolution	Accuracy (DC-100KHz)	Accuracy ( >100KHz to 1 MHz)
0.0μA - 999.9μA	0.1μA	±(10% of reading + 2μA)	±(10% of reading + 2μA)
1000μA - 6000μA	1μA	±(10% of reading + 2μA)	±(10% of reading + 2μA)
LINE VOLTAGE MEASUREMENT
Range	0.0-277.0 VAC
Resolution	0.1 V
Accuracy	± (1.5% of reading +0.2V), 30.0-277.0V
DUT
DUT Input Power Rating	0-277V,AC@ 15Aac max
DUT Protection	Short circuit current 23A, <3 sec, Inrush Current 68A Response time 1m sec
SETTINGS
High/Low Limit, μA	Range 0.0 - 6000μA(0=OFF) , Resolution 0.1μA
Delay Time, second	Range 0, 1.0-999.9 (0=continuous), Resolution 0.1second
Compliance Standards	A UL544 Non Patient, UL484, IEC60598, UL1363
	B UL544 Patient Care
	C UL2601-1, IEC60601-1, EN60601-1
	D UL1563
	E UL60950, IEC60950, IEC61010-1, IEC60335-1, IEC60990 Fig4 U2
	F IEC60990 Fig5 U3
	G IEC60990 Fig3 U1
MD A - G components	Accuracy: Resistance ± 1% Capacitor ± 5%
MD Voltage Limit	Maximum 30V peak or 30VDC
STANDARD ACCESSORIES
Hipot Return Lead , 1.8m(1102)	×2

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