YJJ TB200B-ES4-CO-1000 Solid Polymer Electrochemical Carbon Monoxide Sensor Mine Safety Monitoring Instruments

Product Description:

YJJ TB200B-ES4-CO-1000 Solid Polymer Electrochemical Carbon Monoxide Sensor Mine Safety Monitoring Instruments

Features:

Product Overview

Original Model: TB200B-ES4-CO-1000-01

Sensing Probe: ES4-CO-1000 Solid-state Electrochemical Element

Detected Gas: CO - Carbon Monoxide

Core Principle: Solid-state polymer electrochemical technology, module includes built-in main control chip, temperature and humidity sensing unit, factory calibration and verification, TTL-UART/I2C dual-channel digital output, plug-and-play, suitable for IoT device integration

Comparison between ES4 and ES1: The probe cavity is deeper, more resistant to interference and poisoning

Sensing Performance Parameters

Detection Range: 0 - 1000 ppm

Overload Upper Limit: 2000 ppm

Resolution: 0.1 ppm

Full-scale Accuracy: ≤ ±5% FS

Repeatability Error: < 2%

Response Time: T50 < 10s; T90 < 30s

Power-on Stability Time: Clean air < 120s, polluted environment < 240s

Zero Point Drift: < 5% / Year

Expected Service Life: > 5 Years (Solid-state Electrolyte has no leakage risk)

Electrical and Communication Specifications

Power Supply Voltage: DC 3.3 - 5.5V

Working Current: < 5mA; 5V Overall Power Consumption ≈ 25mW

Communication Interface: TTL-UART (3.3V), I2C, supports question-and-answer mode, active upload mode

UART Default Parameters: Baud Rate 9600, 8-bit data, 1 stop bit, no parity

Equipped with sleep low-power mode, compatible with battery-powered IoT devices

Integrated Independent Temperature and Humidity Sensor

Temperature Range: -40℃ ~ +85℃, Temperature Measurement Accuracy ±0.2℃

Humidity Range: 10 - 95% RH, Humidity Accuracy ±2% RH

Environmental Operating Conditions

Standard Working Temperature: -40℃ ~ +55℃; Optimal Working Range 20 - 35℃

Working Humidity: 15 - 95% RH, Prohibit Condensation Water Vapor

Applicable Atmospheric Pressure: Standard Atmospheric Pressure ±10%

Physical Dimensions

Circuit Board Body: 40 × 30 × 5.6 mm

Complete Module (Equipped with ES4 Probe): 40 × 30 × 22.45 mm

Module Net Weight: < 25g

Warranty Period: 12 months after shipment Product advantages

Solid-state electrolytes do not leak, are resistant to hydrogen sulfide poisoning, immune to electromagnetic interference, have excellent zero-point stability, come with built-in temperature and humidity compensation, eliminate the need for external signal conditioning circuits, and support low-power sleep mode.

Application scenarios

CO ventilation linkage control system for underground garages, gas monitoring in highway tunnels, boiler rooms, metallurgical workshops, fire precursor warning for lithium battery compartments, safety detectors for mines, exhaust gas monitoring in industrial plants, basements, underground pipe galleries, portable toxic gas alarms, IoT air monitoring equipment, risk control devices for parking lots, oil depots, and fuel combustion condition monitoring equipment.

Specifications: