Key facts
- Manuals
- 11
- Languages
- ZH
- Last added
- 2011-11-04
Featured Sanxin manuals

Sanxin MP512 Precise pH Meter User Manual
This manual describes the features, specifications, and operation of the Sanxin MP512 precise pH meter. It covers hardware description, LCD indicators, key functions, data storage, RS232 communication, and accessories included with the instrument.
Detailed procedures for pH measurement, mV/ORP measurement, electrode calibration, parameter settings, and troubleshooting are provided, along with warranty information and safety certifications. This manual is written in Chinese.
Covers: Overview · Technical Specifications · Instrument Description · pH Measurement · mV and ORP Measurement · Instrument Accessories
Sanxin MP526 Conductivity/Dissolved Oxygen Measuring Instrument User Manual
The MP526 is a dual‑parameter laboratory instrument for measuring conductivity and dissolved oxygen. It features automatic calibration, temperature, salinity and pressure compensation, RS232 data output and a 600‑record storage capacity.
The manual provides detailed instructions on setup, electrode calibration, measurement procedures, parameter settings, and maintenance, along with technical specifications and safety certifications. This manual is written in Chinese.
Covers: Overview · Technical Parameters · Instrument Description · Conductivity Measurement · Dissolved Oxygen Measurement · Smart Stirrer Usage

Sanxin MP521 Laboratory pH/Conductivity Instrument User Manual
The MP521 is a laboratory instrument for measuring pH, mV/ORP and conductivity of water solutions. It features automatic calibration, temperature compensation, data storage, RS232 output and an IP54‑rated enclosure.
The manual provides detailed instructions on device overview, technical specifications, operation keys, measurement procedures, data storage, communication setup and warranty information. This manual is written in Chinese.
Covers: Overview · Technical Specifications · Instrument Description · pH Measurement · mV and ORP Measurement · Conductivity Measurement
Sanxin MP522 pH/Conductivity Instrument User Manual
This manual introduces the MP522 precise pH/conductivity instrument, describing its features, specifications, and intended applications in laboratories, industry, and research. It outlines the instrument’s LCD display, operation keys, data storage, RS232 communication, and safety certifications.
Detailed sections cover pH measurement procedures, mV/ORP testing, conductivity measurement, electrode calibration, parameter settings, and troubleshooting. The document also provides RS232 interface instructions, accessory descriptions, and warranty information. This manual is written in Chinese.
Covers: Overview · Technical Specifications · Instrument Description · pH Measurement · mV and ORP Measurement · Conductivity Measurement
Latest Sanxin manuals
Sanxin MP512 Precise pH Meter User Manual
User Manual 24 pages · ZHThe Sanxin MP512 Precise pH Meter User Manual provides operation, calibration, and technical specifications for accurate pH, mV, and ORP measurements.
Sanxin MP526 Conductivity/Dissolved Oxygen Measuring Instrument User Manual
User Manual 28 pages · ZHUser manual for the Sanxin MP526 instrument covering operation, calibration, specifications and RS232 communication.
Sanxin MP521 Laboratory pH/Conductivity Instrument User Manual
User Manual 22 pages · 637 KB · ZHUser manual for the Sanxin MP521 laboratory pH and conductivity meter, covering operation, calibration, storage and RS232 communication.
Sanxin MP522 pH/Conductivity Instrument User Manual
User Manual 27 pages · ZHThe Sanxin MP522 manual provides operation, calibration, and maintenance instructions for the precise pH and conductivity instrument.
Sanxin MP515 Precision Conductivity Instrument User Manual
User Manual 20 pages · 565 KB · ZHThe Sanxin MP515 precision conductivity instrument user manual provides overview, technical specifications, operation, calibration, data storage, and…
Sanxin SX731 pH/ORP/Conductivity Meter User Manual
User Manual 28 pages · ZHThe Sanxin SX731 manual provides operating instructions, calibration steps, and specifications for the pH, ORP, and conductivity meter.
Sanxin SX723 pH/mV/Conductivity Meter User Manual
User Manual 28 pages · ZHThe Sanxin SX723 manual provides operating instructions, technical specifications, and calibration procedures for the portable pH, mV, and conductivity meter.
Sanxin MP523 pH/Ion Concentration Measuring Instrument User Manual
User Manual 28 pages · 883 KB · ZHUser manual for the Sanxin MP523 pH and ion concentration measuring instrument, covering operation, calibration, and RS‑232 communication.
Sanxin SX711 pH/mV Meter User Manual
User Manual 20 pages · 401 KB · ZHThe Sanxin SX711 is a portable pH/mV meter with IP57 protection, AA battery power, and up to 200 stored measurements.
Sanxin SX712 ORP Meter User Manual
User Manual 12 pages · ZHUser manual for the Sanxin SX712 portable ORP meter, covering specifications, operation, and maintenance.
Sanxin SX721 pH/ORP Meter User Manual
User Manual 20 pages · ZHThe Sanxin SX721 is a portable pH/ORP meter with detailed operating instructions, specifications, and calibration procedures.
Which document do I need?
User Manual
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in Sanxin manuals
What is the pH measurement accuracy of the MP512?
The instrument provides a pH accuracy of ±0.002 pH when using the supplied electrode.
How many measurement records can the MP526 store?
The instrument can store up to 600 groups of measurement data (300 groups per measurement mode).
From: Sanxin MP526 Conductivity/Dissolved Oxygen Measuring Instrument User Manual
What communication port does the MP526 provide?
The MP526 includes an RS232 communication interface.
From: Sanxin MP526 Conductivity/Dissolved Oxygen Measuring Instrument User Manual
How many measurement records can be stored?
The instrument can store up to 300 records per measurement mode (pH, mV, conductivity), for a total of 900 records.
From: Sanxin MP521 Laboratory pH/Conductivity Instrument User Manual
What communication interface does the MP521 provide?
The MP521 includes an RS232 communication port for data transfer to a PC.
From: Sanxin MP521 Laboratory pH/Conductivity Instrument User Manual
How do I calibrate the pH electrode?
Press the <CAL> key to enter calibration mode, then follow the three‑point calibration steps using pH 6.86, 4.00 and 9.18 buffer solutions as described.
