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MS3

MS3 Temperature Sensor

System: MOCREO Smart System

The MS3 is a wireless temperature sensor with a Segment LCD display and an external NTC probe, designed for 24/7 temperature monitoring in refrigerators, freezers, and similar cold-storage spaces.

It supports up to 24 hours of offline storage and automatically syncs historical data when the connection is restored.

Appearance and Function Description

MS3_02

System Operation Diagram

MS3_01

Specifications

Model MS3 Sensor
Wireless Connection Bluetooth Low Energy (BLE)
Communication Range Up to 230 ft/70 m (Line-of-Sight)
Display Segment LCD
Battery 3 x AAA batteries (Replaceable)
Cable Length 4.9 ft (1.5 m)
Probe Type External NTC probe
Probe Measuring Range -40°F to 158°F (-40°C to 70°C)
Temperature Accuracy ±0.9°F (±0.5°C)
Offline Storage Up to 24 hours

Button Functions

Operation Function Description LED Indicator Status
Power on Device starts up Blue LED flashes once per second for 3 min
Single press Send data once Blue LED flashes once
Double press Switch display unit (°C/°F) -
Press and hold 3-10 s Enter setup mode Red LED flashes rapidly
Press and hold > 10 s Reset to factory settings Purple LED stays on for 3 s

Other

Troubleshooting & FAQs:

  1. Setup & Connectivity (Critical)

  2. Data Accuracy & Probes

  3. Battery & Power

  4. Alerts & General