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产品品牌：华仪（Extech）
产品型号：7742
·全新六合一功能包含 (ACW,DCW,IR,GB,LLT,RUN TEST)。·超大型320×240 Graphic LCD 窗口。·可于同一画面下完整的显示所有的设定参数或量测数值。·测试功能确认设定(Verification)。·Extech 7742 安规综合分析仪,咨询电话:6/90040
安规综合分析仪的详细介绍
·自动提示讯息功能(Prompt)。·快速放电线路 (专利: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 (专利:169000)。·简单易懂的人机界面。·缓升上限(Ramp High)设定(专利:100859)。·充电下限(Charge Low)设定 (专利: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,咨询电话:6/90040
SPECIFICATIONS
AC WITHSTAND VOLTAGE
Resolution
Output Voltage, ACV
± (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
HI and LO-Limit (Total), current, mA
0.000-9.999 (0=OFF)
± (2% of setting + 2 counts)
10.00-40.00
HI and LO-Limit (Real), current, mA
0.000-9.999
± (3% of setting + 50&A)
10.00-40.00
Ramp-Up Timer, second
0.1 - 999.9
± (0.1% + 0.05 sec)
Ramp-Down Timer, second
Dwell Timer, second
0, 0.4 - 999.9
(0=continuous)
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)
DC WITHSTAND VOLTAGE
Output Voltage, DCV
± (2% of setting + 5V)
DC Output Ripple
&4 % （ 5KV/20mA at Resistive Load ）
HI and LO-Limit, current, &A
0.0 - 999.9
± (2% of setting + 2 counts)
1000 - 20000
Ramp-Up Timer, second
0.4 - 999.9
± (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 &A DC or Auto Set
Discharge Time
& 200 msec
Maximum Capacitive Load
1&F & 1KV 0.08&F & 4KV
0.75&F & 2KV 0.04&F & 5KV
0.5&F & 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
± (2% of setting + 2 counts)
Charging Current
Maximum &20mApeak
HI and LO-Limit, resistance, MΩ
0.05 - 99.99
Same as Resistance MEASUREMENT Accuracy
(HI – Limit: 0 = OFF)
100.0-999.9
± (0.1% + 0.05 sec)
Ramp-Up Timer, second
0.1 – 999.9
Ramp-Down Timer, second
0=OFF, 1.0-999.9
Delay Timer, second
0, 1.0 - 999.9
(0=continuous)
Charge-LO, current, &A
0.000 - 3.500 or Auto Set
GROUND BOND
Output AC Current, A(7742 )
1.00 – 40.00
± (2 % of setting + 2 counts)
Output Voltage, Vac
3.00 – 8.00
± (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
Lead Resistance Offset, mΩ
1.00-2.99A,± (3 % of setting + 3 counts )
HI and LO-Limit Resistance, mΩ
0 – 150 (30.01-40.00A)
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% + 0.05 sec)
(0 = continuous)
CONTINUITY TEST
Output Current, DC
0.1A ± 0.01A, fixed
Lead Resistance Offset, Ω
± (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% + 0.05 sec)
Opt.734 (0 - 10kΩ)
Output Current
DC 0.1A ± 0.01A,Max.
Max-Lmt, Ω
0.00 – 9.99
± (1% of setting+5 counts)
10.0 – 99.9
± (1% of setting+2 counts)
100 – 999
1000 – 9999
Min-Lmt, Ω
0.00 – 9.99
± (1% of setting+5 counts)
10.0 – 99.9
± (1% of setting+2 counts)
100 – 999
1000 – 9999
Dwell Timer, second
0.0, 0.3 – 999.9
± (0.1% + 0.05 sec)
(0 = continuous)
Resistance Offset, Ω
0.00 – 2.00
± (1 % of reading + 5 counts)
MEASUREMENT
Resolution
Voltage, KV(AC/DC)
± (1.5 % of reading +1 count)
Voltage, Vdc (IR only)
± (1.5% of reading + 2 counts)
AC Current (Total), mA
0.000-3.500
± (2% of reading + 2 counts)
3.00-40.00
AC Current (Real), mA
0.000-9.999
± (3% of reading + 50?A)
10.00-40.00
All Ranges PF & 0.1 , V & 250VAC
DC Current, &A
0.0 - 350.0
± (2% of reading + 2 counts)
DC Current, mA
0.300 – 3.500
3.00-20.00
AC Current, A (G.B for 7742 only)
0.00-40.00
± (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
500 – 1000V
2.00-19.99 / 0.050-9.999
0.10–999.9, ±(2% of reading+2 counts)
20.0-199.9 / 100.0-999.9
, ±(5% of reading+2 counts)
200-50000 /
1, ±(15% of reading+2 counts)
Resistance, mΩ (GB)
1.00 – 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
± (3 % of reading + 2 counts)
Resistance, Ω (Continuity) Opt.734
0.00 – 9.99
± (1% of reading+5 counts)
10.0 – 99.9
± (1% of reading+2 counts)
100 – 999
1000 – 9999
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
Output:- Pass, Fail, Test-in-Process
50 memories, 30 steps/memory
Graphic Display
320 x 240 Monographic LCD, 9 ranges contrast setting
Built-in Smart GFI circuit,GFI trip current 450&A max, HV shut down speed: &1mS
Standard RS232, Optional Printer Port with Date and Time Stamp or GPIB (IEEE-488.2).
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)
×2 (Including a spare contained in the fuse holder)
Interlock Disable Key(1505)
Hipot Test Lead ,1.5m(1101)
Ground Bond Test Lead 40A
,1.6m(1137)
Ground Bond Return Lead 40A
,1.6m(1138)
RS232 Link Cable 1.5m(1130)
MATRIX SCANNER MODULE (Opt.736 for 7742)
High Voltage Rating
5KVAC/5KVDC
High Current Rating
Number of HV Channel
Number of HA Channel
RUN TEST MODULE (Opt.738,Opt.739 for 7742)
MEASUREMENT
Resolution
Voltage, Vac
± (1.5% of reading +2counts), 30.0-277.0V
Current, Aac
0.00-15.00
± (2.0% of reading + 2counts)
Power, Watts
± (5% of reading + 3 counts)
Power, Factor
0.000-1.000
± (8% of reading + 2 counts)
Leakage Current, mA
0.00-10.00
± (2% of reading + 2 counts)
MD Circuit
Leakage Current measuring resistance = 2KΩ±1%
Timer, second
± (0.1% of reading + 0.05 sec)
HI and LO Limit AC Voltage, V
± (1.5% of setting + 0.2 V), 30.0-277V
HI and LO Limit AC Current, A
0.00-15.00
± (2.0% of setting + 2 counts)
HI and LO Limit AC Power, W
± (5.0% of setting + 3 counts)
HI and LO Limit Power Factor
0.000-1.000
± (8% of setting + 2 counts)
HI and LO Limit Leakage Current
0.00-10.00, Hi-Limit 0=OFF
± (2% of setting + 2 counts)
Delay Time, second
± (0.1% + 0.05 sec)
Dwell Time, second
0, 0.1-999.9 (0=continuous)
Cold Resistance
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)
LLT Receptacle Adaptor Box 20A ,1.6m(1905)
LINE LEAKAGE TEST MODULE (Opt.739 for 7742)
CURRENT MEASUREMENT
Frequency Range
Leakage Current Range (RMS)
Resolution
Accuracy (DC-100KHz)
Accuracy ( &100KHz to 1 MHz)
0.0&A - 999.9&A
±(1.5% of reading + 3counts)
±(5% of reading + 5&A)
1000&A - 6000&A
±(1.5% of reading + 3counts)
Leakage Current Range (Peak), Opt.739 Only
Resolution
Accuracy (DC-100KHz)
Accuracy ( &100KHz to 1 MHz)
0.0&A - 999.9&A
±(10% of reading + 2&A)
±(10% of reading + 2&A)
1000&A - 6000&A
LINE VOLTAGE MEASUREMENT
0.0-277.0 VAC
Resolution
± (1.5% of reading +0.2V), 30.0-277.0V
DUT Input Power Rating
0-277V,AC@ 15Aac max
DUT Protection
Short circuit current 23A, &3 sec, Inrush Current 68A Response time 1m sec
High/Low Limit, &A
Range 0.0 - 6000&A(0=OFF) , Resolution 0.1&A
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
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)
江苏众翔仪器商行
联系电话86-0 手机传真86-2
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