Comprehensive test and measurement service provider-Shenzhen Weike Electronic Technology Co.
The GDM-8261A is a 6 1/2-digit digital multimeter that supports dual-display measurements, 11 measurement functions and 10 arithmetic functions, and high accuracy (35 ppm DC voltage accuracy), making it suitable for parameter measurements in a wide range of applications.
The GDM-8261A features a scan card design that provides 16 V-Ch and 2 I-Ch, allowing multi-point measurements to be made on one or more devices, with all operations accomplished by keystrokes only. With multi-point measurement capability, the GDM-8261A can be viewed as a semi-automatic ATE system for increasing the amount of production testing, or as a data logger for long-term monitoring or characterization. Its PC software and DMM-Viewer support multi-channel panel setup and scan card data logging. In addition, the LabVIEW driver helps users create their own virtual instruments on the PC screen, greatly simplifying programming. For ATE system measurement or remote control applications, the GDM-8261A comes standard with USB and RS-232C interfaces, with optional GPIB or LAN interfaces.
The GDM-8261A is a 6 1/2-digit digital multimeter with very high DC voltage accuracy (35 ppm), dual-display measurements, 11 basic measurements and 10 advanced measurements. Supporting an external scan card, it can be switched between multiple measurement points, enabling effective short/long-term monitoring or characterization recording. For the system's own measurement or testing needs, the GDM-8261A can be used with RS-232C and the USB interface, which is becoming the mainstream with its cost-effectiveness, high-speed data acquisition, and ease of operation.
A. Operating platforms
All of the GDM-8261A's basic measurement functions fully satisfy engineers' needs for designing, developing and testing electronic circuits or products, including voltage, current, resistance, diode, and short-circuit tests, as well as frequency and temperature measurements. In addition, the GDM-8261A features 10 advanced measurement functions (dBm, dB, comparison functions and other math operations) so you don't have to worry about special measurement requirements.
B. Dual display measurement
Unlike other "dual-display" digital multimeters, the GDM-8261A's second display shows not only range information but also measurement values. This means that two attributes of the input signal can be displayed on the screen at the same time: the primary measurement and the secondary measurement item, making it suitable for almost any combination of measurements. The dual-display measurement function saves valuable time by avoiding multiple measurements at the same test point.
C. High measurement resolution & sampling rate
Mode Resolution Measuring speed
Fast 4 1/2 positions 2,400 cycles/sec.
Medium speed 5 1/2 positions 600 cycles/sec.
Slow 6 1/2 positions 30 times/sec.
The GDM-8261A's very high resolution: 0.1 μV voltage resolution, 100 pA DC current resolution, 1 nA AC current resolution, and 100 μΩ resistance resolution, is fully capable of meeting the user's requirements for accuracy. In addition, transmission speeds of 30 times/sec (6 1/2 bits) and 2,400 times/sec (4 1/2 bits) make the GDM-8261 more than adequate for the measurement requirements of today's market.
D. 2/4-wire resistance measurement
The GDM-8261A offers two methods of resistance measurement: 2-wire measurement and 4-wire measurement. 2-wire measurement is a common and simple connection method, especially suitable for 100Ω to 10kΩ resistors. 4-wire measurement is suitable for small resistance measurements (less than 100Ω), and automatically compensates for the test lead resistance and contact resistance during measurement.
E. Common Interface & Transmission Speed
To meet the application requirements of your system, the GDM-8261A provides a universal USB interface and a standard RS-232C interface. Connecting the USB interface can transfer information in ASCII format at speeds of up to 2,400 times/sec. A GPIB or LAN card is available as an optional accessory and can also be adapted to your existing system.
F. Multi-point measurement scanning card
The optional scanning card features a plug-in design with a complete set of multipoint measurement solutions that simplify multipoint measurement and data processing. This scanning method allows users to effectively measure multiple channels connected to the GDM-8261A.
GDM-8261A 8261USB Communicationhttps://v.youku.com/v_show/id_XNDYyMTc4NjQ3Mg==.html
Quick Selection
| model number | sampling rate | demonstrate | DCV Accuracy | Maximum current level | Rear Panel Inputs | Standard Interface |
| GDM-9060 | 1K/sec | 6½ Dual Display (1200000) | 0.0075% | 3A | NO | USB/RS-232/LAN/I/O |
| GDM-9061 | 10K/sec | 6½ Dual Display (1200000) | 0.0035% | 10A | YES | USB/RS-232/LAN/I/O |
| GDM-8261A | 2.4K/sec | 6½ Dual Display (1200000) | 0.0035% | 10A | NO | USB/RS-232/I/O |
Detailed specifications
| norm | ||||||
| functionality | ||||||
| Gear(3) | resolution (of a photo) | Input Impedance... etc. | 24 Hour 23°C± 1°C | 90 Day 23°C± 5°C | 1 Year 23°C± 5°C | Temperature Coefficient 0°~18°C /28°~55°C |
| dc voltage | ||||||
| 100.0000 mV | 0.1μV | 10MΩ or >10GΩ | 0.0030 + 0.0030 | 0.0040 + 0.0035 | 0.0050 + 0.0035 | 0.0005 + 0.0005 |
| 1.000000 V | 1μV | 10MΩ or >10GΩ | 0.0015 + 0.0004 | 0.0020 + 0.0005 | 0.0035 + 0.0005 | 0.0005 + 0.0001 |
| 10.00000 V | 10μV | 11.11MΩ±1% | 0.0020 + 0.0006 | 0.0030 + 0.0007 | 0.0048 + 0.0007 | 0.0005 + 0.0001 |
| 100.0000 V | 0.1mV | 10.1MΩ±1% | 0.0020 + 0.0006 | 0.0035 + 0.0006 | 0.0081 + 0.0006 | 0.0005 + 0.0001 |
| 1000.000 V | 1mV | 10.1MΩ±1% | 0.0025 + 0.0006 | 0.0044 + 0.0010 | 0.0090 + 0.0010 | 0.0005 + 0.0001 |
| Resistance (4) | ||||||
| 100.0000 Ω | 100μΩ | 1 mA | 0.0030 + 0.0030 | 0.008 + 0.004 | 0.010 + 0.004 | 0.0008 + 0.0005 |
| 1.000000 kΩ | 1mΩ | 1 mA | 0.0020 + 0.0005 | 0.008 + 0.001 | 0.010 + 0.001 | 0.0008 + 0.0001 |
| 10.00000 kΩ | 10mΩ | 100μA | 0.0020 + 0.0005 | 0.008 + 0.001 | 0.010 + 0.001 | 0.0008 + 0.0001 |
| 100.0000 kΩ | 100mΩ | 10μA | 0.0020 + 0.0005 | 0.008 + 0.001 | 0.010 + 0.001 | 0.0008 + 0.0001 |
| 1.000000 MΩ | 1μΩ | 3.5μA | 0.0020 + 0.0010 | 0.008 + 0.001 | 0.010 + 0.001 | 0.0010 + 0.0002 |
| 10.00000 MΩ | 10Ω | 350nA | 0.0150 + 0.0010 | 0.020 + 0.001 | 0.040 + 0.001 | 0.0030 + 0.0004 |
| 100.0000 MΩ | 100Ω | 350 nA//10 MΩ | 0.3000 + 0.0100 | 0.800 + 0.010 | 0.800 + 0.010 | 0.1500 + 0.0002 |
| direct current | ||||||
| 100.0000 μA | 100pA | < 0.015 V | 0.010 + 0.020 | 0.04 + 0.025 | 0.05 + 0.025 | 0.002 + 0.0030 |
| 1.000000 mA | 1nA | < 0.15 V | 0.007 + 0.005 | 0.03 + 0.005 | 0.05 + 0.005 | 0.002 + 0.0005 |
| 10.00000 mA | 10nA | < 0.07 V | 0.005 + 0.010 | 0.03 + 0.020 | 0.05 + 0.020 | 0.002 + 0.0020 |
| 100.0000 m A | 0.1μA | < 0.7 V | 0.010 + 0.004 | 0.03 + 0.005 | 0.05 + 0.005 | 0.002 + 0.0005 |
| 1.000000 A | 1μA | < 0.8 V | 0.050 + 0.006 | 0.08 + 0.010 | 0.10 + 0.010 | 0.005 + 0.0010 |
| 10.00000 A | 10μA | < 0.5 V | 0.100 + 0.008 | 0.12 + 0.008 | 0.15 + 0.008 | 0.005 + 0.0008 |
| short-circuit beeping | ||||||
| 1000.000 Ω | 0.001Ω | 1 mA | 0.002 + 0.030 | 0.008 + 0.030 | 0.010 + 0.030 | 0.001 + 0.002 |
| thyristor | ||||||
| 1.000000 V | 1μV | 1 mA | 0.002 + 0.010 | 0.008 + 0.020 | 0.010 + 0.020 | 0.001 + 0.002 |
| norm | ||||||
| functionality | ||||||
| Gear(3) | resolution (of a photo) | frequency | 24 Hour 23°C± 1°C | 90 Day 23°C± 5°C | 1 Year 23°C± 5°C | Temperature Coefficient 0°~18°C /28°~55°C |
| AC Voltage True RMS (6) | ||||||
| 100.0000 mV | 0.1μV | 3Hz - 5Hz | 1.00 + 0.03 | 1.00 + 0.04 | 1.00 + 0.04 | 0.100 + 0.004 |
| 100.0000 mV | 0.1μV | 5Hz - 10Hz | 0.35 + 0.03 | 0.35 + 0.04 | 0.35 + 0.04 | 0.035 + 0.004 |
| 100.0000 mV | 0.1μV | 10Hz - 20kHz | 0.04 + 0.03 | 0.05 + 0.04 | 0.06 + 0.04 | 0.005 + 0.004 |
| 100.0000 mV | 0.1μV | 20kHz - 50kHz | 0.10 + 0.05 | 0.11 + 0.05 | 0.12 + 0.05 | 0.011 + 0.005 |
| 100.0000 mV | 0.1μV | 50kHz - 100kHz | 0.55 + 0.08 | 0.60 + 0.08 | 0.60 + 0.08 | 0.060 + 0.008 |
| 100.0000 mV | 0.1μV | 100kHz -300kHz | 4.00 + 0.50 | 4.00 + 0.50 | 4.00 + 0.50 | 0.200 + 0.020 |
| 1.000000 V to 750.000 V(5) | 1μV ~ 1mV | 3Hz - 5Hz | 1.00 + 0.02 | 1.00 + 0.03 | 1.00 + 0.03 | 0.100 + 0.003 |
| 1.000000 V to 750.000 V(5) | 1μV ~ 1mV | 5Hz - 10Hz | 0.35 + 0.02 | 0.35 + 0.03 | 0.35 + 0.03 | 0.035 + 0.003 |
| 1.000000 V to 750.000 V(5) | 1μV ~ 1mV | 10Hz - 20kHz | 0.04 + 0.02 | 0.05 + 0.03 | 0.06 + 0.03 | 0.005 + 0.003 |
| 1.000000 V to 750.000 V(5) | 1μV ~ 1mV | 20kHz - 50kHz | 0.10 + 0.04 | 0.11 + 0.05 | 0.12 + 0.05 | 0.011 + 0.005 |
| 1.000000 V to 750.000 V(5) | 1μV ~ 1mV | 50kHz - 100kHz | 0.55 + 0.08 | 0.60 + 0.08 | 0.60 + 0.08 | 0.060 + 0.008 |
| 1.000000 V to 750.000 V(5) | 1μV ~ 1mV | 100kHz -300kHz | 4.00 + 0.50 | 4.00 + 0.50 | 4.00 + 0.50 | 0.200 + 0.020 |
| AC Current True RMS (6) | ||||||
| 1.000000 mA | 1nA | 3Hz - 5Hz | 1.00 + 0.04 | 1.00 + 0.04 | 1.00 + 0.04 | 0.100 + 0.006 |
| 1.000000 mA | 1nA | 5Hz - 10Hz | 0.30 + 0.04 | 0.30 + 0.04 | 0.30 + 0.04 | 0.035 + 0.006 |
| 1.000000 mA | 1nA | 10Hz - 5kHz | 0.10 + 0.04 | 0.10 + 0.04 | 0.10 + 0.04 | 0.015 + 0.006 |
| 1.000000 mA | 1nA | 5kHz - 10kHz | 0.20 + 0.25 | 0.20 + 0.25 | 0.20 + 0.25 | 0.030 + 0.006 |
| 10.00000 mA | 10nA | 3Hz - 5Hz | 1.10 + 0.06 | 1.10 + 0.06 | 1.10 + 0.06 | 0.200 + 0.006 |
| 10.00000 mA | 10nA | 5Hz - 10Hz | 0.35 + 0.06 | 0.35 + 0.06 | 0.35 + 0.06 | 0.100 + 0.006 |
| 10.00000 mA | 10nA | 10Hz - 5kHz | 0.15 + 0.06 | 0.15 + 0.06 | 0.15 + 0.06 | 0.015 + 0.006 |
| 10.00000 mA | 10nA | 5kHz - 10kHz | 0.35 + 0.70 | 0.35 + 0.70 | 0.35 + 0.70 | 0.030 + 0.006 |
| 100.0000 mA | 100nA | 3Hz - 5Hz | 1.00 + 0.04 | 1.00 + 0.04 | 1.00 + 0.04 | 0.100 + 0.006 |
| 100.0000 mA | 100nA | 5Hz - 10Hz | 0.30 + 0.04 | 0.30 + 0.04 | 0.30 + 0.04 | 0.035 + 0.006 |
| 100.0000 mA | 100nA | 10Hz - 5kHz | 0.10 + 0.04 | 0.10 + 0.04 | 0.10 + 0.04 | 0.015 + 0.006 |
| 100.0000 mA | 100nA | 5kHz - 10kHz | 0.20 + 0.25 | 0.20 + 0.25 | 0.20 + 0.25 | 0.030 + 0.006 |
| 1.000000 A | 1μA | 3Hz - 5Hz | 1.00 + 0.04 | 1.00 + 0.04 | 1.00 + 0.04 | 0.100 + 0.006 |
| 1.000000 A | 1μA | 5Hz - 10Hz | 0.30 + 0.04 | 0.30 + 0.04 | 0.30 + 0.04 | 0.035 + 0.006 |
| 1.000000 A | 1μA | 10Hz - 5kHz | 0.10 + 0.04 | 0.10 + 0.04 | 0.10 + 0.04 | 0.015 + 0.006 |
| 1.000000 A | 1μA | 5kHz - 10kHz | 0.35 + 0.70 | 0.35 + 0.70 | 0.35 + 0.70 | 0.030 + 0.006 |
| 10.00000 A | 10μA | 3Hz - 5Hz | 1.10 + 0.06 | 1.10 + 0.06 | 1.10 + 0.06 | 0.100 + 0.006 |
| 10.00000 A | 10μA | 5Hz - 10Hz | 0.35 + 0.06 | 0.35 + 0.06 | 0.35 + 0.06 | 0.035 + 0.006 |
| 10.00000 A | 10μA | 10Hz - 5kHz | 0.15 + 0.06 | 0.15 + 0.06 | 0.15 + 0.06 | 0.015 + 0.006 |
| 10.00000 A | 10μA | 5kHz - 10kHz | 0.35 + 0.70 | 0.35 + 0.70 | 0.35 + 0.70 | 0.030 + 0.006 |
| Frequency/period (7) | ||||||
| 100.0000mV to 750.000V(5) | - | 3Hz - 5Hz | 0.1 | 0.1 | 0.1 | 0.005 |
| 100.0000mV to 750.000V(5) | - | 5Hz - 10Hz | 0.05 | 0.05 | 0.05 | 0.005 |
| 100.0000mV to 750.000V(5) | - | 10Hz - 40Hz | 0.03 | 0.03 | 0.03 | 0.001 |
| 100.0000mV to 750.000V(5) | - | 40Hz -300kHz | 0.006 | 0.01 | 0.01 | 0.001 |
| Temperature (RTD)(8) | ||||||
| -200 °C ~ 600 °C | 0.001 °C | - | - | - | 0.06 °C (typical) | 0.005 °C / °C (typical) |
| Temperature (8) | ||||||
| -200 °C ~ + 1300 °C | 0.002 °C | e / j / t / k / n | - | - | 0.3 °C (typical) | 0.004 °C / °C (typical) |
| -50 °C ~ + 1820 °C | 0.01 °C | R / S / B | - | - | 1 °C | 0.14 °C / °C |
| monitor | ||||||
| Two-color VFD | ||||||
| standard interface | ||||||
| RS -232C, USB, Digital I/O | ||||||
| Using the power supply | ||||||
| AC 100 V / 120 V / 220 V / 240 V ±10%; 45 Hz to 66 Hz and 360 Hz to 440 Hz | ||||||
| power consumption | ||||||
| 25VA max. | ||||||
| Size & Weight | ||||||
| 265(W) x 107(H) x 350(D) mm; approx. 3.1 kg (without accessories) | ||||||
| Notes . | |||
| 1. All specifications are for a single display (main display). | |||
| 2. Accuracy : ± (% of reading + % of stops) | |||
| 3. Maximum display can exceed 20%, except for 1000Vdc, 750Vac and 10A. | |||
| 4. Resistance for 4-wire measurement specifications, or 2-wire measurement with REL on, in order to prevent the test from external noise, measurement of more than 500kΩ resistance, please use the test line with isolation. | |||
| 5. 750 V AC, 100 kHz maximum frequency | |||
| 6. The AC characteristic specification refers to the positive rotary wave input of more than 5%. | |||
| 7. For inputs >100mV,10mV~100mV inputs, multiply the percentage of reading error by 10 times. | |||
| 8. Specifications do not include probe accuracy and relate to analog contacts |
GDM-8261A 6 1/2 digit dual display programmable digital multimeter
Standard Accessories
User's manual × 1, power cord × 1, test cable GTL-207A × 1, and
USB cable GTL-247 × 1, CD × 1 (including full manual, upgrade program and PC software DMM Viewer), calibration part GDM-01 × 1 (for firmware upgrade)
optional
Opt.01 GDM-SC1A Scan Card (V x 16ch, I x 2ch)
Opt.02 GPIB card
Opt.03 LAN card
Note: GPIB and LAN cannot be installed on one GDM-8261A at the same time, choose 1 of the 2.
Optional accessories
GTL-108A 4-wire test lead
GTL-232 RS-232C connection cable, approx. 2M
GTL-248 GPIB connection cable, approx. 2M
GRA-422 Rack (19" 2U)
GTL-205A Temperature wire adapter + thermocouple (K type), approx. 1000mm
GDM-TL1 Test Lead Set (for all meter series)
GSC-014 Meter Accessory Kit
Ordering Information
GDM-8261A 6 1/2 digit dual display programmable digital multimeter
Standard Accessories
User's manual × 1, power cord × 1, test cable GTL-207 × 1, and
USB cable GTL-247 × 1, CD × 1 (including full manual, upgrade program and PC software DMM Viewer), calibration part GDM-01 × 1 (for firmware upgrade)
optional
Opt.01 GDM-SC1A Scan Card (V x 16ch, I x 2ch)
Opt.02 GPIB card
Opt.03 LAN card
Optional accessories
GTL-108A 4-wire test lead
GTL-232 RS-232C connection cable, approx. 2M
GTL-248 GPIB connection cable, approx. 2M
Recommended
