주요 특징

• 6 1/2 Digit Display：1,200,000 counts

• DCV Basic Accuracy：0.0035%

• Dual Measurements to perform two selected measurements simultaneously

• Bright Vacuum Fluorescent Display (VFD)

• Provide AC+DC Voltage or Current Measurement Functions

• 11 Measurement Functions & 10 Math Functions

• High Resolution: Up to 100pA with DCI and 1nA with ACI Measurements

• Temperature Measurement (RTD & Thermocouple) from -200°C ~ +1820°C

• High Transmission Speed: Up to 2,400 readings/sec through the USB

• Standard Interfaces : USB, RS232C, Digital I/O

• Optional Interfaces : GPIB or LAN

• Optional Scanner Card : GDM-SC1 (V ch x16, I ch x2)

• Free PC software : DMM Viewer , LabVIEW Driver

Boost Your Measurement Speed & Efficiency

The GDM-8261A is a high precision 6 ½ digit Digital Multimeter with dual measurement displays, 11 measurement functions and 10 math functions at high accuracy (35ppm DC voltage accuracy) to accommodate the most frequently performed parameter measurements in various application fields today.

The GDM-8261A adopts a scanner card, which carries 16 V-Channels and 2 I-Channels, to facilitate the measurements of multiple-test points on either a device or multiple devices all at a press of a button. With this multi-point measurement capability, the GDM-8261A can be used as a semi-auto ATE System to increase the throughput of manufacturing test or as a data logger to perform long term monitoring or characterization of a DUT. A PC Software, DMM-Viewer,is available with GDM-8261A to support multi-channel panel setting and data logging of the scanner card. Besides, a LabVIEW driver is also supported to help user create his/her own virtual instrument on the PC screen for easy programming. For ATE system measurements or remote control applications, both USB and RS-232 Interfaces are provided as standard, and either GPIB or LAN can be selected as optional interface for the GDM-8261A.

Ideal for Bench Assignments

The GDM-8261A includes all the basic measurement functions that are required for engineers to handle design, development and testing jobs for electronic circuits or products. The basic measurement functions include voltage, current, resistance, diode, continuity, frequency and temperature. Remarkably, the current measurement function covers a very wide range from 100uA to 10A for DC current (in 6 ranges) and from 1mA to 10A for AC current (in 5 ranges).In addition, the GDM-8261 features 10 Math functions (dBm, dB, compare and other mathematical operations) to accommodate specific measurement requirements and complex measurement applications.

Dual Measurements with Dual Displays

Unlike most of the “dual display” digital multimeters, which show test result on the primary display and range information on the secondary display, the GDM-8261A is able to perform two measurement functions simultaneously and shows the test results on primary display and secondary display respectively. The GDM-8261A supports an almost unlimited number of measurement combinations of dual measurement functions, besides the normal test result and rangeinformation displays, greatly increases the test speed of multi-function measurement tasks.

High Measurement Resolution & High Sampling Rate

The GDM-8261A offers an exceptionally high resolution of 0.1μV for voltage measurement, 100pA for DC current measurement, 1nA for AC current measurement, and 100μΩ for Resistance measurement. This level of resolution and accuracy becomes a must for the precision measurements in specific applications. In addition, the GDM-8261A is capable of acquiring 30 measurement readings/s at the display resolution of 6 ½ digits and 2,400 readings/s at thedisplay resolution of 4 ½ digits. The fast acquisition rate of the GDM-8261A adequately meets today’s measurement demands.

2/ 4 Wire Resistance Measurement

The GDM-8261A offers two methods, both 2-wire and 4-wire, for resistance measurements. The 2-wire measurement is most commonly used for resistance measurement in the range from 100Ω to 10kΩ. Whereas the 4-wire connection is normally applied for resistance measurement at a value lower than 100Ω. When applied, 4-wire measurement automatically compensates the test lead resistance and connector contact resistance to get an accurate measurement result.

Stroe/Recall Function

The GDM-8261A is able to acquire and record 2 ~ 9999 measurement readings for the “store” and “recall” functions. This allows an immediate observation of the maximum, minimum, average or standard deviation values of all the recorded data whenever the data acquisition stops.

Math Measurement

The “Math” function of GDM-8261A includes four mathematical operations for measurements: MX+B, 1/X, Percentage and Stats. “MX+B” multiplies the measurement reading (X) by a factor (M) and adds/subtracts an offset value (B) to calculate linear offsets or scales. The “1/X” function divides 1 by the measurement reading (X), calculating the inverse of the reading. The “Percentage” function calculates the ratio of the measured value to a target valueusing the following equation: (Reading X – Reference)/Reference x 100%. The “Stats” function makes statistical calculations continuously or by a user-defined measurement counts. The statistical calculations include Maximum, Minimum, Average and Standard deviation. With these mathematical operations, the GDM-8261A makes complex measurements quick and easy without the complexity of manual calculations.

Temperature Measurement

The GDM-8261A performs temperature measurement accommodating a wide range of temperature sensors of either thermocouples or RTD (Resistive Temperature Detectors). For thermocouples, the GDM-8261A uses voltage measurement terminals as the thermocouple input and calculates the temperature from the voltage fluctuation. Most of the popular thermocouple types are supported for temperature measurement on the GDM-8261A. For RTD sensors, the GDM-8261A calculatesthe voltage fluctuation arisen from the resistance variation due to temperature change. Either front panel terminals or scanner card terminals can be used as the input for temperature sensor.

Versatile Interfaces & Transmitted Speed

For system applications, the GDM-8261A provides USB interface and RS232 interface as standard. Up to 2,400 readings/s of data can be transferred over USB in ASCII format. Either GPIB or LAN interface is available as an option to support the ATE systems currently in use.

Multipoint Scanner Card Measurement

The optional scanner card, with a field-installable design, is a self-contained multipoint measurement solution. This approach eliminates the complexities of software development for multi-point measurement and data processing. The scanner allows users to effectively measure multiple channels connected to a single GDM-8261A.

Convenient PC Software

Control & Data Acquisition

Data Reload & Graph   

Panel Setting & Data Acquisition for All Scanner Channels

LabVIEW Driver

For the convenience of remote control and long time data acquisition, a free software, DMM-Viewer, is supported with the GDM-8261A. This software allows user to remotely control the GDM-8261A without the need to give commands or to develop programming software. DMM-Viewer’s human interface resembles the GDM-8261A front panel, which significantly shortens the user’s learning time. For the data capture through a PC, the software allows user to continuouslyobserve the measurement results before saving them into a file. Further more, the saved files can be loaded and viewed as a graph for data analysis. When GDM-8261A works with scanner card for multi-point measurements, the DMM-Viewer allows user to easily select the measurement function and range for each channel and start acquiring measurement data promptly. The GDM-8261A LabVIEW driver is also available for free download. With this driver, the user is able to create a virtue instrument on the PC for the instrumentcontrol. With DMM-Viewer & LabVIEW driver, the GDM-8261A becomes a high value semi-auto ATE system without further software/hardware investments.

제품 사양

기능

범위*1

분해능

테스트 전류/

24시간

90일 

1년

온도 계수 0~18℃/28~55℃

주파수 및 일반

23℃±1℃

23℃±5℃

23℃±5℃

DC 전압

100.0000mV

0.1uV

10MΩ or >10GΩ

0.0030+0.0030

0.0040+0.0035

0.0050+0.0035

0.0005+0.0005

1.000000V

1uV

10MΩ or >10GΩ

0.0015+0.0004

0.0020+0.0005

0.0035+0.0005

0.0005+0.0001

10.00000V

10uV

11.11MΩ±1%

0.0020+0.0006

0.0030+0.0007

0.0048+0.0007

0.0005+0.0001

100.0000V

0.1mV

10.1MΩ±1%

0.0020+0.0006

0.0035+0.0006

0.0081+0.0006

0.0005+0.0001

1000.000V

1mV

10.1MΩ±1%

0.0025+0.0006

0.0044+0.0010

0.0090+0.0010

0.0005+0.0001

저항*2

100.0000Ω

100uΩ

1mA

0.030+0.0030

0.008+0.004

0.010+0.004

0.0008+0.0005

1.000000kΩ

1mΩ

1mA

0.020+0.0005

0.008+0.001

0.010+0.001

0.0008+0.0001

10.00000kΩ

10mΩ

100uA

0.020+0.0005

0.008+0.001

0.010+0.001

0.0008+0.0001

100.0000kΩ

100mΩ

10uA

0.020+0.0005

0.008+0.001

0.010+0.001

0.0008+0.0001

1.000000MΩ

1Ω

3.5uA

0.020+0.0010

0.008+0.001

0.010+0.001

0.0010+0.0002

10.00000MΩ

10Ω

350nA

0.0150+0.0010

0.020+0.001

0.040+0.001

0.0030+0.0004

100.0000MΩ

100Ω

350nA//10MΩ

0.3000+0.0100

0.800+0.010

0.800+0.010

0.1500+0.0002

DC 전류

100.0000uA

100pA

<0.015V

0.010+0.020

0.04+0.025

0.05+0.025

0.002+0.0030

1.000000mA

1nA

<0.15V

0.007+0.005

0.03+0.005

0.05+0.005

0.002+0.0005

10.00000mA

10nA

<0.07V

0.005+0.010

0.03+0.020

0.05+0.020

0.002+0.0020

100.0000mA

0.1uA

<0.7V

0.010+0.004

0.03+0.005

0.05+0.005

0.002+0.0005

1.000000A

1uA

<0.8V

0.050+0.006

0.08+0.010

0.10+0.010

0.005+0.0010

10.00000A

10uA

<0.5V

0.100+0.008

0.12+0.008

0.15+0.008

0.005+0.0008

도통 테스트

1000.000Ω

0.001Ω

1mA

0.002+0.030

0.008+0.030

0.010+0.030

0.001+0.002

다이오드 테스트*3

1.000000V

1uV

1mA*4

0.002+0.010

0.008+0.020

0.010+0.020

0.001+0.002

True RMS AC 전압*5

100.0000mV

0.1uA

3Hz~5Hz

1.00+0.03

1.00+0.04

1.00+0.04

0.100+0.004

5Hz~10Hz

0.35+0.03

0.35+0.04

0.35+0.04

0.035+0.004

10Hz~20kHz

0.04+0.03

0.04+0.04

0.06+0.04

0.005+0.004

20kHz~50kHz

0.10+0.05

0.11+0.05

0.12+0.05

0.011+0.005

50kHz~100kHz

0.55+0.08

0.60+0.08

0.60+0.08

0.060+0.008

100kHz~300kHz*7

4.00+0.50

4.00+0.50

4.00+0.50

0.200+0.020

1.000000V~

1uV~

3Hz~5Hz

1.00+0.02

1.00+0.03

1.00+0.03

0.100+0.003

750.000V*6

1mV

5Hz~10Hz

0.35+0.02

0.35+0.03

0.35+0.03

0.035+0.003

10Hz~20kHz

0.04+0.02

0.05+0.03

0.06+0.03

0.005+0.003

20kHz~50kHz

0.10+0.04

0.11+0.05

0.12+0.05

0.011+0.005

50kHz~100kHz

0.55+0.08

0.60+0.08

0.60+0.08

0.060+0.008

100kHz~300kHz*7

4.00+0.50

4.00+0.50

4.00+0.50

0.200+0.020

True RMS AC 전류*5

1.000000mA

1nA

3Hz~5Hz

1.00+0.04

1.00+0.04

1.0+0.04

0.100+0.006

5Hz~10Hz

0.30+0.04

0.30+0.04

0.3+0.04

0.035+0.006

10Hz~5kHz

0.10+0.04

0.10+0.04

0.1+0.04

0.015+0.006

5kHz~10kHz

0.20+0.25

0.20+0.25

0.2+0.25

0.030+0.006

10.00000mA

10nA

3Hz~5Hz

1.10+0.06

1.10+0.06

1.10+0.06

0.200+0.006

5Hz~10Hz

0.35+0.06

0.35+0.06

0.35+0.06

0.100+0.006

10Hz~5kHz

0.15+0.06

0.15+0.06

0.15+0.06

0.015+0.006

5kHz~10kHz

0.35+0.70

0.35+0.70

0.35+0.70

0.030+0.006

100.0000mA

100nA

3Hz~5Hz

1.00+0.04

1.00+0.04

1.0+0.04

0.100+0.006

5Hz~10Hz

0.30+0.04

0.30+0.04

0.3+0.04

0.035+0.006

10Hz~5kHz

0.10+0.04

0.10+0.04

0.1+0.04

0.015+0.006

5kHz~10kHz

0.20+0.25

0.20+0.25

0.2+0.25

0.030+0.006

1.000000A

1uA

3Hz~5Hz

1.00+0.04

1.00+0.04

1.00+0.04

0.100+0.006

5Hz~10Hz

0.30+0.04

0.30+0.04

0.30+0.04

0.035+0.006

10Hz~5kHz

0.10+0.04

0.10+0.04

0.10+0.04

0.015+0.006

5kHz~10kHz

0.35+0.70

0.35+0.70

0.35+0.70

0.030+0.006

10.00000A

10uA

3Hz~5Hz

1.10+0.06

1.10+0.06

1.10+0.06

0.100+0.006

5Hz~10Hz

0.35+0.06

0.35+0.06

0.35+0.06

0.035+0.006

10Hz~5kHz

0.15+0.06

0.15+0.06

0.15+0.06

0.015+0.006

5kHz~10kHz

0.35+0.70

0.35+0.70

0.35+0.70

0.030+0.006

주파수 주기*8

100.0000mV~

-

3Hz~5Hz

0.1

0.1

0.1

0.005

750.0000V*6

5Hz~10Hz

0.05

0.05

0.05

0.005

10Hz~40Hz

0.03

0.03

0.03

0.001

40Hz~300kHz

0.006

0.01

0.01

0.001

온도 (RTD)*9

-200~+600℃

0.002℃

-

-

-

0.06℃ (typ.)

-

온도 (써모커플)*9

-200~+1372℃

0.003℃

J/K/N/T/E 타입

-

-

0.2℃ (typ.)

0.004℃/℃ (typ.)

-50~+1870℃

0.01℃

R/S/B 타입

-

-

1.0℃ (typ.)

0.14℃/℃

일반

디스플레이

VFD, 2컬러 디스플레이

인터페이스

RS-232, USB, 디지털 I/O

AC 입력 전원

AC 100V/120V/220V/240V±10%, 45Hz~66Hz &360Hz~440Hz

소모 전력

최대 25VA

치수 및 무게

265(W) x 107(H) x 350(D) mm, 약 3.1kg

*1 1000Vdc/750Vac, 10A 및 도통 테스트를 제외한 모든범위에서 20% over-range.

*2 상기 사양은 REL 기능을 사용한 4선또는 2선 기능에 대한 것입니다.

*3 정확도 사양은 입력 단자에서 측정된 전압에 대한 것입니다.

*4 전류원의 변동은 다이오드접합에 걸리는 전압 강하의 변동을 발생시킵니다.

*5 정현파 입력이 해당범위의 5% 이상일 때의 사양입니다.

*6 750Vac 범위는 100kHz로 제한됩니다.

*7 측정 값 오류 : 30%@ 1MHz, typ.

*8 입력 100mV 이상; 입력 10mV~100mV인 경우, 측정 값 오류 %x 10

*9 상기 사양은 프로브와접점에 의한 정확도를 포함하지 않습니다.

기본 액세서리

퀵 스타트 가이드 x 1, 전원 코드 x 1, 테스트 리드 GTL-207 x 1, USB 케이블 GTL-247 x 1, 사용 설명서 CD x1, 

캘리브레이션 키 GDM-01 x 1 (펌웨어 업그레이드 용)

옵션

옵션.01

GDM-SC1 스캐너카드 (V CH x 16, I CH x 2)

옵션.02

GPIB 카드

옵션.03

LAN 카드

* GPIB 카드와 LAN 카드를 동시에 설치할 수 없습니다.

옵션 액세서리

GTL-108A

4선 타입테스트 리드

87,000원

GTL-232

RS-232 케이블, 9핀(암)-9핀, 널 모뎀,2m

11,000원

GTL-248

GPIB 케이블, 2m

195,000원

GRA-422

랙 어댑터패널 (19”, 2U)

53,000원

GTL-128J

연장 케이블 (J 타입)

215,000원

GTL-128T

연장 케이블 (T타입)

215,000원

GTL-128K

연장 케이블 (K타입)

215,000원

GTL-205

온도 프로브어댑터 (써모커플, K 타입)

33,000원

주문 정보

GDM-8261A

6 ½ 디지트 듀얼 측정 멀티미터

견적요청

옵션

옵션.01

GDM-SC1 스캐너카드 (V CH x 16, I CH x 2)

견적요청

옵션.02

GPIB 카드

견적요청

옵션.03

LAN 카드

견적요청

* GPIB 카드와 LAN 카드를 동시에 설치할 수 없습니다.