Đồng hồ vạn năng để bàn Keithley 2701
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Dải đo dòng điện:
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Dải đo điện áp:
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Chữ số hiển thị:
- Vui lòng liên hệ để kiểm tra tình trạng kho
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Hotline: 0906.988.447
Liên hệ: Hồ Chí Minh
- Điện thoại: (028).3977.8269
- Email: sales@lidinco.com
- Địa chỉ: 487 Cộng Hòa, Phường 15, Quận Tân Bình, TP. HCM
Liên hệ: Bắc Ninh, Hà Nội
- Điện thoại: (0222).730.0180
- Email: bn@lidinco.com
- Địa chỉ: 184 Bình Than, Phường Võ Cường, TP. Bắc Ninh
- Tư vấn kĩ thuật Miễn phí
- Miễn phí vận chuyển Đơn hàng trên 3 triệu
Độ phân giải 6 ½ số
Có khả năng mở rộng tối đa 200 kênh ( tương đương 05 module , tùy chọn thêm các module 7700 ..đến 7712)
Kết nối ngoại vi GPIB, RS232
Đo điện áp một chiều DC
Dải đo: 100mV/1V/10V/100V/1000V
Độ phân giải: 0.1µV / 1µV/ 10 µV/100 µV/ 1mV
Độ chính xác: ±( 30ppm reading + 5ppm range)
Đo điện áp xoay chiều AC
Dải do: 100mV/ 1V/ 10V/ 100V/ 750V
Độ phân giải: 0.1µV, 1µV/ 10 µV/100 µV/ 1 µV
Đo điện trở:
Dải đo: 1 Ω/ 10 Ω/100 Ω/ 1 kΩ/ 10 kΩ/ 100 KΩ/ 1MΩ/ 10 MΩ/ 100 MΩ
Độ phân giải: 1µΩ/ 10 µΩ/100 µΩ/1 mΩ/10 mΩ/100 mΩ/1 Ω/10 Ω/ 100 Ω/
Độ chính xác tốt nhất: ± (100ppm reading + 6ppm range)
Đo dòng điện một chiều DC
Dải đo: 20mA/ 100mA/1A/ 3A
Độ phân giải: 10nA/ 10nA/ 100nA/ 1µA/ 10µA
Đo dòng điện xoay chiều AC
Dải đo: 1A/3A
Độ phân giải: 1µA/ 10µA
Các chức năng khác của máy đo điện đa năng Keithley 2700: đo nhiệt độ; Đo tần số, kiểm tra ngắn mạch, Dry circuit test.
Nguồn nuôi: 100/120/220/240V AC ± 10%
Tần số 50/60Hz và 440hz
Kích thước: 89 x 485 x 370 mm
Trọng lượng 13 Kg
Phụ kiện kèm máy: HDSD, dây nguồn, que đo
Đồng hồ vạn năng độ chính xác cao Keithley 2701
Thông tin thiết bị:
- Combines functions of DMM, switch system, and datalogger
- True 6½-digit (22-bit) resolution
- Choice of 12 switch/control plug-in modules
- Up to 200 differential input channels (with 300V isolation) for measurement and control
- Convenient front panel inputs
- Free LabVIEW™, LabWindows/CVI, Visual Basic, C/C++, and TestPoint™ drivers (IVI style)
- Ethernet, RS-232 communications capabilities
- Free ExceLINX™ -1A datalogging software
Thông số kỹ thuật
GENERAL SPECIFICATIONS | ||
EXPANSION SLOTS | 5 | |
POWER SUPPLY | 100V / 120V / 220V / 240V | |
LINE FREQUENCY | 50Hz to 60Hz and 400Hz, automatically sensed at power-up | |
POWER CONSUMPTION | 80VA | |
OPERATING ENVIRONMENT | Specified for 0°C to 50°C. Specified to 80% RH at 35°C. Altitude up to 2000 meters | |
STORAGE ENVIRONMENT | -40°C to 70°C | |
BATTERY | Lithium battery-backed memory, 3 years @ 23°C | |
WARRANTY | 3 years | |
EMC | Conforms to European Union Directive 89/336/EEC EN61326-1 | |
SAFETY | Conforms to European Union Directive 73/23/EEC EN61010-1, CAT I | |
VIBRATION | MIL-PRF-28800F Class 3, Random | |
WARM-UP | 2 hours to rated accuracy | |
DIMENSIONS | Rack Mounting | 89mm high × 485mm wide × 370mm deep (3.5 in. × 19 in. × 14.563 in.) |
Bench Configuration (with handles and feet) | 104mm high × 485mm wide × 370mm deep (4.125 in. × 19 in. × 14.563 in.) | |
SHIPPING WEIGHT | 13kg (28 lbs) | |
DIGITAL I/O | 2 inputs, 1 for triggering and 1 for hardware interlock. 5 outputs, 4 for Reading Limits and 1 for Master Limit. Outputs are TTL compatible or can sink 250mA, diode clamped to 40V. | |
TRIGGERING AND MEMORY | Window Filter Sensitivity | 0.01%, 0.1%, 1%, 10%, or Full-scale of range (none) |
Reading Hold Sensitivity | 0.01%, 0.1%, 1%, or 10% of reading | |
Trigger Delay | 0 to 99 hrs (1ms step size) | |
External Trigger Delay | <1ms | |
Memory Size | 110,000 readings | |
MATH FUNCTIONS | Rel, Min/Max/Average/Std Dev/Peak-to-Peak (of stored reading), Limit Test, %, 1/x, and mX + b with user defined units displayed | |
REMOTE INTERFACE | GPIB (IEEE-488.2) and RS-232C. SCPI (Standard Commands for Programmable Instruments) | |
ACCESSORIES SUPPLIED | Model 1751 Safety Test Leads, Product Information CD-ROM, and hardcopy User’s Manual. Software CD-ROM with IVI/VISA drivers for VB, VC/C++, LabVIEW, TestPoint, and LabWindows/CVI, and free runtime startup software | |
ACCESSORIES AVAILABLE | 4288-7 Rack Mount Rear Support Kit 77XX Modules Extended Warranty ExcelLINX-1A (Excel add-in datalogger software) TestPoint TM Software Development Package | |
SOFTWARE | Windows 98, NT, 2000, ME, and XP compatible |
DC CHARACTERISTICS | ||||||||
CONDITIONS: MED (1 PLC) 2 or 10 PLC or MED (1 PLC) with Digital Filter of 10 | ||||||||
FUNCTION | RANGE | RESOLUTION | TEST CURRENT ±5% OR BURDEN VOLTAGE | INPUT RESISTANCE OR OPEN CKT. VOLTAGE | ACCURACY: ±(ppm of reading + ppm of range) (ppm = parts per million) e.g., 10ppm = 0.001%) | Temperature Coefficient 0°-18°C & 28°-50°C | ||
24 Hour 23°C±1° | 90 Day 23°C±5° | 1 Year 23°C±5° | ||||||
Voltage | 100.0000mV | 0.1 µV | >10 GΩ | 15+30 | 25+35 | 30+35 | (1 + 5)/°C | |
1.000000V | 1.0 µV | >10 GΩ | 15+6 | 25+7 | 30+7 | (1 + 1)/°C | ||
10.0000V | 10 µV | >10 GΩ | 10+4 | 20+5 | 30+5 | (1 + 1)/°C | ||
100.0000V | 100 µV | 10 MΩ ± 1% | 15+6 | 35+9 | 45+9 | (5 + 1)/°C | ||
1000.000V | 1mV | 10 MΩ ± 1% | 20+6 | 35+9 | 50 + 9 | (5 + 1)/°C | ||
Resistance | 1.000000Ω | 1 µΩ | 10 mA | 5.9 V | 80+40 | 80+40 | 100+40 | (8 + 1)/°C |
10.00000Ω | 10 µΩ | 10 mA | 5.9 V | 20+20 | 80+20 | 100+20 | (8 + 1)/°C | |
100.0000Ω | 100µΩ | 1mA | 12.2V | 20+20 | 80+20 | 100+20 | (8 + 1)/°C | |
1.000000kΩ | 1mΩ | 1mA | 12.2V | 20 + 6 | 80+6 | 100+6 | (8 + 1)/°C | |
10.00000kΩ | 10mΩ | 100µA | 6.8 V | 20 + 6 | 80+6 | 100+6 | (8 + 1)/°C | |
100.0000kΩ | 100mΩ | 10µA | 12.8 V | 20 + 6 | 80+10 | 100+10 | (8 + 1)/°C | |
1.000000MΩ | 1.0Ω | 10µA | 12.8 V | 20 + 6 | 80+10 | 100+10 | (8 + 1)/°C | |
10.00000MΩ | 10Ω | 0.7 µA //10MΩ | 7.0 V | 150+6 | 200+10 | 400+10 | (70+1)/°C | |
100.0000MΩ | 100Ω | 0.7 µA //10MΩ | 7.0 V | 800+30 | 2000+30 | 2000+30 | (385 + 1)/°C | |
Dry Circuit Resistance | 1.000000Ω | 1 µΩ | 10 mA | 20mV | 80+40 | 80+40 | 100+40 | (8 + 1)/°C |
10.00000Ω | 10 µΩ | 1 mA | 20mV | 25+40 | 80+40 | 100+40 | (8 + 1)/°C | |
100.0000Ω | 100 µΩ | 100 µΩ | 20mV | 25+40 | 90+40 | 140+40 | (8 + 1)/°C | |
1.000000kΩ | 1mΩ | 10µA | 20mV | 25+90 | 180+90 | 400+90 | (8 + 1)/°C | |
Continuity (2W) | 1.000kΩ | 100mΩ | 1 mA | 12.2 V | 40+100 | 100+100 | 100+100 | (8 + 1)/°C |
Current | 20.00000mA | 10nA | <0.2 V | 60+30 | 300+80 | 500+80 | (50+5)/°C | |
100.0000mA | 100nA | <0.1 V | 100+300 | 300+800 | 500+800 | (50+50)/°C | ||
1.000000A | 1.0µA | <0.5 V | 200+30 | 500+80 | 800+80 | (50+5)/°C | ||
3.000000A | 10 µA | <1.5 V | 1000+15 | 1200+40 | 1200+40 | (50+5)/°C | ||
Channel (Ratio) | Ratio Accuracy = Accuracy of selected Channel Range + Accuracy of Paired Channel Range | |||||||
Channel (Average) | Average Accuracy = Accuracy of selected Channel Range + Accuracy of Paired Channel Range |
TEMPERATURE | |||||
(Display in °C, °F, or K. Exclusive of probe errors.) Thermocouples (Accuracy based on ITS-90.) | |||||
Type | Range | Resolution | 90 Day/1 Year (23°C ±5°C) | Temperature Coefficient 0°-18°C & 28°-50°C | |
Relative to Simulated Reference Junction | Using 77xx Module | ||||
J | -200 to +760°C | 0.001°C | 0.2°C | 1.0°C | 0.03°C/°C |
K | -200 to +1372°C | 0.001°C | 0.2°C | 1.0°C | 0.03°C/°C |
N | -200 to +1300°C | 0.001°C | 0.2°C | 1.0°C | 0.03°C/°C |
T | -200 to +400°C | 0.001°C | 0.2°C | 1.0°C | 0.03°C/°C |
E | -200 to +1000°C | 0.001°C | 0.2°C | 1.0°C | 0.03°C/°C |
R | 0 to +1768°C | 0.1°C | 0.6°C | 1.8°C | 0.03°C/°C |
S | 0 to +1768°C | 0.1°C | 0.6°C | 1.8°C | 0.03°C/°C |
B | +350 to +1820°C | 0.1°C | 0.6°C | 1.8°C | 0.03°C/°C |
4-Wire RTD: (100? platinum [PT100], D100, F100, PT385, PT3916, or user type, Offset compensation On) | |||||
-200° to 630°C | 0.1°C | 0.6°C | 0.003°C/°C | ||
Thermistor: (2.2kΩ, 5kΩ, and 10kΩ) | |||||
-80° to 150°C | 0.01°C | 0.08°C | 0.002°C/°C |
DC SYSTEM SPEEDS | |
RANGE CHANGES | 50/s (42/s) |
FUNCTION CHANGES | 50/s (42/s) |
AUTORANGE TIME | <30ms |
ASCII READINGS TO RS-232 (19.2k BAUD) | 55/s |
MAX. INTERNAL TRIGGER RATE | 2000/s |
MAX. EXTERNAL TRIGGER RATE | 375/s |
DC MEASUREMENT SPEEDS | |||
Single Channel, 60Hz (50Hz) Operation | |||
Function | Digits | Readings/s | PLCs |
DCV, DCI, Ω (<10M), Thermocouple, Thermistor | 6.5 | 5 (4) | 10 |
6.5 | 35 (28) | 1 | |
6.5 | 45 (36) | 1 | |
5.5 | 150 (120) | 0.1 | |
5.5 | 300 (240) | 0.1 | |
5.5 | 500 (400) | 0.1 | |
4.5 | 2500 (2000) | 0.01 | |
4WΩ (<10M) | 6.5 | 1.4 (1.1) | 10 |
6.5 | 15 (12) | 1 | |
5.5 | 33 (25) | 0.1 | |
4W? 0Comp, RTD | 6.5 | 0.9 (0.7) | 10 |
6.5 | 8 (6.4) | 1 | |
5.5 | 18 (14.4) | 0.1 | |
Channel (Ratio), Channel (AVG) | 6.5 | 2.5 (2) | 10 |
6.5 | 15 (12) | 1 | |
5.5 | 25 (20) | 0.1 |
Multiple Channels Into Memory | |
7703 and 7710 Scanning DCV | 230/s |
7703 and 7710 Scanning with Limits or Time Stamp On | 230/s |
7703 and 7710 Scanning DCV alternating 2WΩ | 55/s |
7710 Scanning Temperature (T/C) | 90/s |
7700 and 7708 Scanning Temperature (T/C) | 50/s |
Multiple Channels Into and Out of Memory | |
7703 and 7710 Scanning DCV | 200/s |
7703 and 7710 Scanning with Limits or Time Stamp On | 200/s |
7703 and 7710 Scanning DCV alternating 2WΩ | 45/s |
7710 Scanning Temperature (T/C) | 85/s |
7702 Scanning DCV | 65/s |
7700 and 7708 Scanning Temperature (T/C) | 50/s |
DC SPEED vs. NOISE REJECTION | ||||||
Rate | Filter | Readings/s | Digits | RMS Noise 10V Range | NMRR | CMRR |
10 | 50 | 0.1 (0.08) | 6.5 | <1.2 µV | 110 dB | 140 dB |
1 | Off | 15 (12) | 6.5 | <4 µV | 90 dB | 140 dB |
0.1 | Off | 500 (400) | 5.5 | <22 µV | 80 dB | |
0.01 | Off | 2500 (2000) | 4.5 | <150 µV | 80 dB |
DC MEASUREMENT CHARACTERISTICS | |||
DC Volts | |||
A-D LINEARITY | 2.0 ppm of reading + 1.0 ppm of range | ||
INPUT IMPEDANCE | 100mV-10V Ranges | Selectable >10GΩ// with <400pF or 10MΩ ±1%. | |
100V, 1000V Ranges | 10MΩ ±1%. | ||
Dry Circuit | 100kΩ ±1% // <1µF | ||
INPUT BIAS CURRENT | <75pA at 23°C | ||
COMMON MODE CURRENT | <500nApp at 50Hz or 60Hz | ||
AUTOZERO ERROR | Add ±(2ppm of range error +5µV) for <10 minutes and ±1°C | ||
INPUT PROTECTION | 1000V, all ranges, 300V with plug-in modules | ||
Resistance | |||
MAX 4W? LEAD RESISTANCE | 80% of range per lead (Dry Ckt Mode). 5Ω per lead for 1Ω range, 10% of range for 10Ω, 100Ω and 1kΩ ranges; 1kΩ per lead for all other ranges | ||
OFFSET COMPENSATION | Selectable on 4WΩ, 1Ω, 10Ω, 100Ω, 1kΩ, and 10kΩ ranges | ||
CONTINUITY THRESHOLD | Adjustable 1 to 1000Ω. | ||
INPUT PROTECTION | 1000V, all Source Inputs, 350V Sense Inputs, 300V with plug-in modules | ||
DC Current | SHUNT RESISTORS | 100mA-3A, 0.1Ω. 20mA, 5Ω | |
INPUT PROTECTION | 3A, 250V fuse | ||
Thermocouples | CONVERSION | ITS-90 | |
REFERENCE JUNCTION | Internal, External, or Simulated (Fixed) | ||
OPEN CIRCUIT CHECK | Selectable per channel. Open >11.4k ±200Ω | ||
EARTH ISOLATION | 500V peak, >10GΩ and <300pF any terminal to chassis |
AC SPECIFICATIONS | ||||||||
FUNCTION | RANGE | RESOLUTION | Calibration Cycle | Accuracy: ±(% of reading + % of range), 23°C ±5°C | ||||
3 Hz- 10 Hz | 10 Hz- 20 kHz | 20 kHz- 50 kHz | 50 kHz- 100 kHz | 100 kHz- 300 kHz | ||||
Voltage | 100.0000mV | 0.1µV | 90 Days (all ranges) | 0.35+0.03 | 0.05+0.03 | 0.11+0.05 | 0.6+0.08 | 4.0+0.5 |
1.000000V | 1.0µV | |||||||
10.00000V | 10µV | 1 Year (all ranges) | 0.35+0.03 | 0.06+0.03 | 0.12+0.05 | 0.6+0.08 | 4.0+0.5 | |
100.0000V | 100µV | |||||||
750.000V | 1.0mV | |||||||
(Temp. Coeff.)/°C | 0.035 + 0.003 | 0.005 + 0.003 | 0.006 + 0.005 | 0.01 + 0.006 | 0.03 + 0.01 | |||
3 Hz-10 Hz | 10 Hz-3 kHz | 3 kHz-5kHz | ||||||
Current | 1.000000A | 1.0µA | 90 Day/1 Yr | 0.30+0.04 | 0.10+0.04 | 0.14+0.04 | ||
3.00000A | 10µA | 0.35+0.06 | 0.15+0.06 | 0.18+0.06 | ||||
(Temp. Coeff.)/°C | 0.035 + 0.006 | 0.015 + 0.006 | 0.015 + 0.006 | |||||
Accuracy ±(ppm of reading + offset ppm) (3 Hz-500 kHz) (333 ms-2 µs) | ||||||||
Frequency 4 and Period | 100mV to 750V | 0.333ppm | 90 Day/1 Yr | 80 ppm + 0.333 ppm (SLOW, 1s gate) | ||||
3.33ppm | 80 ppm + 3.33 ppm (MED, 100ms gate) | |||||||
33.3ppm | 80 ppm + 33.3 ppm (FAST, 10ms gate) |
Additional Uncertainty ±(% of reading) | ||||
Low Frequency Uncertainty | MED | FAST | ||
20Hz-30Hz | 0.3 | |||
30Hz-50Hz | 0 | |||
50Hz-100Hz | 0 | 1.0 | ||
100Hz-200Hz | 0 | 0.18 | ||
200Hz-300Hz | 0 | 0.10 | ||
>300Hz | 0 | 0 | ||
CREST FACTOR | 1–2 | 2–3 | 3–4 | 4-5 |
Additional Uncertainty | 0.05 | 0.15 | 0.30 | 0.40 |
Maximum Crest Factor | 5 at full-scale |
AC MEASUREMENT CHARACTERISTICS | ||
AC Volts | MEASUREMENT METHOD | AC-coupled, True RMS |
INPUT IMPEDANCE | 1MΩ ±2% // by <100pF | |
INPUT PROTECTION | 1000Vp or 400VDC, 300Vrms with plug-in modules | |
AC Current | MEASUREMENT METHOD | AC-coupled, True RMS |
SHUNT RESISTANCE | 0.1Ω | |
BURDEN VOLTAGE | 1A <0.5Vrms, 3A <1.5Vrms. Add 1.5Vrms when used with plug-in modules | |
INPUT PROTECTION | 3A, 250V fuse | |
AC General | AC CMRR | 70dB |
VOLT HERTZ PRODUCT | =8 × 10 Volt-Hz |
AC MEASUREMENT SPEEDS | ||||
Single Channel, 60Hz (50Hz) Operation | ||||
Function | Digits | Readings/s | Rate | Bandwidth |
ACV, ACI | 6.5 | 2s/Reading | SLOW | 3 Hz-300 kHz |
6.5 | 4.8 (4) | MED | 30 Hz-300 kHz | |
6.5 | 40 (32) | FAST | 300 Hz-300 kHz | |
Frequency, Period | 6.5 | 1 (1) | SLOW | 3 Hz-300 kHz |
5.5 | 9 (9) | MED | 30 Hz-300 kHz | |
4.5 | 35 (35)) | FAST | 300 Hz-300 kHz | |
4.5 | 65 (65) | FAST | 300 Hz-300 kHz |
Keithley 2701 Product Specifications Summary: (for full specs please see the full specs tab or the data sheet)
Multimeters Template | |
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Type | Digital |
Style | Bench |
Measures AC V | Yes |
Measures DC V | Yes |
Measures AC A | Yes |
Measures DC A | Yes |
True RMS What's This? | Yes |
Test Equipment General Attributes | |
Power Supply Voltage | 120V 50/60 Hz |
Phụ kiện
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