The M-131 is a RS-232 convertor for use with Maynuo electronic loads and programmable power supplies.
- amazon_main_image: https://www.thedebugstore.com/images/product/Lg-Maynuo-M-131-01.jpg
- amazon_browse_node: 428655031
- mpn: M-131
- backorder_label: Check Availability before Ordering
- google_product_category: 262
- condition: new
- custom_product: false
- mpn: M-131
- google_product_category: Electronics
- custom_label_0: Electronic Load Accessory
- warranty: 12 months
- brand: Maynuo
- manufacturer: Maynuo Electronic Co Ltd
- badge: The M-131 adapter bridges the communication gap between modern PCs and Maynuo test equipment, converting TTL signal levels to RS-232 standard. Essential for remote control, automated testing, and data acquisition applications.
All Maynuo electronic loads and programmable power supplies feature TTL-level DB9 ports that require voltage level conversion for PC compatibility. The M-131 includes galvanic isolation to prevent ground loops and protect both instruments during measurement operations.
Professional engineers rely on the M-131 for production testing, battery characterisation, and power supply validation across automotive, renewable energy, and electronics manufacturing sectors.
Compatible with standard serial communication software and includes LED status indicators for real-time TX/RX monitoring. For USB connectivity requirements, consider the Maynuo M-133 USB adapter as an alternative.
- key_feature_1: Essential RS-232 interface cable for PC communication with Maynuo electronic loads and power supplies
- key_feature_2: TTL to RS-232 level conversion
- key_feature_2_tooltip: {"type":"root","children":[{"type":"paragraph","children":[{"type":"text","value":"Converts +5V TTL signals to ±12V RS-232 for PC compatibility"}]}]}
- key_feature_3: Galvanic isolation protection
- key_feature_3_tooltip: {"type":"root","children":[{"type":"paragraph","children":[{"type":"text","value":"Prevents ground loops and protects instruments during testing"}]}]}
- key_feature_4: Visual TX/RX status indicators
- key_feature_4_tooltip: {"type":"root","children":[{"type":"paragraph","children":[{"type":"text","value":"LED indicators show real-time communication activity"}]}]}
- key_feature_5: 1.2m professional grade cable
- key_feature_5_tooltip: {"type":"root","children":[{"type":"paragraph","children":[{"type":"text","value":"Flexible cable length for convenient workbench positioning"}]}]}
- key_feature_6: DB9 male to female connectors
- key_feature_6_tooltip: {"type":"root","children":[{"type":"paragraph","children":[{"type":"text","value":"Standard 9-pin D-sub connectors for universal compatibility"}]}]}
- key_feature_7: Compatible with all Maynuo instruments
- key_feature_7_tooltip: {"type":"root","children":[{"type":"paragraph","children":[{"type":"text","value":"Works with M97, M98, M88, and M983X series equipment"}]}]}
- key_feature_8_tooltip: {"type":"root","children":[{"type":"paragraph","children":[{"type":"text","value":"Tooltip: Enables SCPI programming and data logging applications"}]}]}
- key_feature_8: Essential for automated testing
- why_people_choose_3_title: Cost-Effective Solution
- why_people_choose_2_title: Automated Testing Capability
- why_people_choose_1_title: Essential PC Connectivity
- why_people_choose_1: Only way to connect Maynuo instruments to computer serial ports safely
- why_people_choose_3: Much cheaper than replacing instruments lacking native USB connectivity
- why_people_choose_2: Enables programmatic control for production line and research applications
- 1572413: What is the M-131 adapter used for?***SIMP***The M-131 converts TTL voltage levels from Maynuo electronic loads and power supplies to RS-232 levels compatible with PC serial ports, enabling remote control and data logging.
- 1572414: Can I connect my Maynuo instrument directly to a PC without the M-131?***SIMP***No, never connect the instrument's TTL DB9 port directly to a PC RS-232 port. The voltage levels are incompatible and may damage your equipment. The M-131 level conversion is essential.
- 1572415: Which Maynuo instruments are compatible with the M-131?***SIMP***All Maynuo electronic loads (M97, M98, M983X series) and programmable power supplies (M88 series) with DB9 communication ports work with the M-131 adapter.
- 1572416: Does the M-131 require external power?***SIMP***No, the M-131 is powered from the DTR and RTS signals from your PC's serial port, eliminating the need for external power adapters.
- 1572417: What communication speeds does the M-131 support?***SIMP***The adapter supports standard baud rates from 4800 to 38400 bps, with 9600 bps being the most commonly used setting for Maynuo instruments.
- 1572419: Can I use the M-131 with USB-to-serial adapters?***SIMP***Yes, the M-131 works perfectly with quality USB-to-serial adapters that provide proper DTR/RTS signals for power and full RS-232 voltage levels.
- 1572420: What's the difference between M-131, M-132, and M-133 adapters?***SIMP***M-131 provides RS-232 output, M-132 offers RS-485 communication, and M-133 converts directly to USB. Choose based on your PC connectivity requirements.
- 1572421: Does the M-131 include galvanic isolation?***SIMP***Yes, the adapter provides galvanic isolation to prevent ground loops and protect both your instrument and PC during measurements.
- 1572422: What software works with the M-131 adapter?***SIMP***Use Maynuo's free PC software, standard serial terminal programs, or custom applications using SCPI commands for automated testing and data acquisition.
- 1572423: How long is the M-131 cable?***SIMP***The cable length is 1.2 metres, providing sufficient reach for typical workbench configurations while maintaining signal integrity.