Comprehensive test and measurement service provider-Shenzhen Weike Electronic Technology Co.
● Newly released 24bit high-resolution digital voltmeter unit MR8990! High-speed, high-precision measurements can be realized without a scanner.
:: Suitable for multi-channel testing (MR8740: 54ch, MR8741: 16ch)
● Insulated input (insulation between each input channel and between enclosures: maximum rated voltage to ground AC, DC 300V)
:: High-speed sampling (maximum 20 MS/s, maximum 32 ch simultaneous sampling for 54 ch models)
● Suitable for assembly in a rack (within 4U-180mm high, no display, rectangular)
:: Remote measurement via LAN communication (data transfer to memory, computer operation at a location far from the measurement site)
Basic parameters
| model number | MR8740 | MR8741 |
|---|---|---|
| channel number | [Module I: 16 analog units] Analog 32ch + Logic Standard 8ch~ [Module I: 13 analog units + 3 logic units] Analog 26ch + Logic 56ch (Logic standard 8ch + Logic unit 48ch) [Module II: 11 analog units] Analog 22ch + Logic Standard 8ch ~ [Module II: 8 analog units + 3 logic units] Analog 16ch + Logic 56ch (Logic Standard 8ch + Logic Unit 48ch) ※ 2 Module Components for Module I and Module II ※ Module I and Module II start at the same time by synchronized triggering (internal setting) |
[8 analog units] Analog 16ch + Logic Standard 16ch~ [5 analog units + 3 logic units] Analog 10ch + Logic 64ch (Logic standard 16ch + Logic unit 48ch) |
| ※Analog unit channels are isolated from the host computer, and all logic unit channels and standard logic port channels are grounded to the host computer. | ||
| measuring range (20div full scale) |
5mV~20V/div, 12 ranges, resolution: 1/100 of range (when using 8966) 5mV~50V/div, 5 ranges, resolution: 1/50000 of range (when using MR8990) | |
| Maximum Input Voltage | DC 400V (safe voltage between input ports when using 8966) | |
| Maximum rated voltage to ground | AC, DC300V (insulation between inputs and mainframe, between input channels ~ enclosure, upper limit voltage between each input channel) | |
| frequency characteristic | When using 8966: DC~5MHz (-3dB) | |
| Timeline (when stored) | 5μs~5min/div, 26 ranges, time axis resolution 100 points/div, time axis zoom in: 3 segments of ×2~×10, zoom out: 13 segments of 1/2~1/20,000 | |
| measurement function | Storage (High Speed Recording), FFT | |
| storage capacity | 16MW/ch (fixed) for a total of 864MW | 16MW/ch (fixed) for a total of 256MW |
| external storage | USB flash drive (USB 2.0) | |
| Display section | None (digital DVI port, 1 per module, 800 x 600 dots) | None (1 digital DVI port, 800 x 600 dots) |
| external interface | [LAN] 100BASE-TX (DHCP, applicable DNS, FTP server, HTTP server) [USB] USB2.0 series A socket × 2 (mouse operation) | |
| power supply | AC100~240 V, 50/60 Hz (250 VA max.) | AC100~240 V, 50/60 Hz (120 VA max.) |
| Volume and weight | 426W × 177H × 505D mm, 10.8 kg (main unit only) | 350W × 160H × 320D mm, 5.4 kg (main unit only) |
| attachment (email) | Instruction manual × 1, Application CD-ROM (Waveform view Wv/Communication command table) × 1, Power cord × 1 | |
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