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■ 14 decade range, resolution from 1 μΩ
■Custom units and time sequences
■ No residual resistance
■ 20 ppm accuracy / 5 W load capacity
■ Six different languag
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M642 高精度程控電阻箱 精度30ppm、M642 高精度程控電阻箱 精度30ppm、
M632 and M642 are programmable real-resistance decades with far-reaching ranges and very fine resolutions. While the M642 is rather an industrial decade with its 0.1 Ω - 20 MΩ range (22 MΩ upgrade available) and 5 W load capacity, the M632 is 20 ppm reference instrument for calibration laboratories and flagship of Meatest's resistance calibration. Containing some of the most stable (and expensive) foil resistors available, the M632 has just 1 ppm/°C temperature coefficient. Decades can be used for AC application as well, see datasheet for typical frequency responses.
Languages: English, German, Spanish, French, Russian, Czech
User comfort
M6xx series was made to make resistance calibration as easy as it gets. Large LCD shows all related parameters including total accuracy. And there is no residual resistance or hidden absolute error so you don't have to calculate it by yourself, accuracy you see is what you get. And that's not the only thing that firmware sorts out for you. Would you like the resistance shown in temperature units? Distance? Force? RTD and user function will do this for you. Complete recalibration? Ten minutes and off you go.
Connectivity
All decades' functions can be remoy controlled via RS232, USB, LAN or GPIB interface. This way you can introduce calibration/test stage directly into production line of any resistance based sensor and reduce time required for final quality tests dramatically.
Versions & Options:
| M632-V1000 | precision wide range decade with and RS232 |
| M642-V1000 | industrial wide range decade with and RS232 |
| M6xx-V2xxx | GPIB, USB and Ethernet interface extension |
| M642-Vx2xx | 22 MΩ range extension for M642 |
| M6xx-Vxx1x | 19" rack version, height 3HE |
| All Meatest instruments are available with 3, 4 and 5-year extended warranties. Delivered with EU plug. Can be swapped for other types on demand. | |
Accessories
| GPIB cable | IEEE488-IEEE488 cable, 2m |
| RS232 adapter | RS232-USB generic adapter |
| RS232 cable | male-female RS232 cable, 2m |
M632
| Resistance | 1 ? - 1.2 M?, resolution from 10 u? max dissipation power 0.25 W ± 20 ppm / year |
| Temperature | RTD ± 0.01°C / year |
M642
| Resistance | 100 m? - 20 M? (22 M?), resolution from 1 u? max dissipation power 5 W ± 200 ppm / year |
| Temperature | RTD ± 0.1°C / year |