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Gerui Manuals & User Guides

User manuals, setup guides, troubleshooting help, and repair information for Gerui products.

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Gerui manuals

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GERUI LK89 Pulse Oximeter User Manual

LK89 • February 10, 2026

Comprehensive user manual for the GERUI LK89 Pulse Oximeter, providing instructions for setup, operation, maintenance, and troubleshooting to ensure accurate blood oxygen saturation (SpO2) and pulse rate measurements.

GERUI ESP32 38-Pin Breakout Board User Manual

ESP32 kaifaban • January 29, 2026

Comprehensive user manual for the GERUI ESP32 38-Pin Breakout Board, featuring Bluetooth and WiFi. Learn about setup, operation, and specifications for your microcontroller development projects.

GERUI Words Game Instruction Manual

X001 • September 10, 2025

Instruction manual for the GERUI Words Game, a quick word think alphabet letters game with timer stop for family parties, designed for adults and kids.

Electric Cigarette Rolling Automatic Roller Maker Mini Machine (Blue) - Instruction Manual

GR-12-005 • July 6, 2025

Comprehensive instruction manual for the GERUI Electric Cigarette Rolling Automatic Roller Maker Mini Machine (Blue), model GR-12-005. Learn about setup, operation, maintenance, and troubleshooting for efficient cigarette rolling.

GERUI LK89 Finger-Clip Pulse Oximeter User Manual

LK89 • July 2, 2025

Comprehensive user manual for the GERUI LK89 Finger-Clip Pulse Oximeter, covering setup, operation, maintenance, troubleshooting, and technical specifications for accurate SpO2, heart rate, and PI measurements.