YJJ GS+7CO Carbon Monoxide Electrochemical Sensor 0-1000ppm for Safety Mining

Product Specification

Product Description:

YJJ GS + 7CO Carbon Monoxide Electrochemical Sensor 0-1000ppm for Safety in Mining Underground Operations

Features:

GS + 7CO Carbon Monoxide Electrochemical Sensor

I. Product Overview

Brand: DD Scientific (DDS, same specification as Citytech 7 Series general packaging)

Model: GS+7CO

Principle: Three-electrode electrochemical fuel cell

Packaging: Standard 7Series circular industrial probe, 3 signal pins + 1 positioning pin, can be directly replaced with 7EF, CO-BF and other equivalent CO sensors

Positioning: Special CO probe for industrial fixed-type detection instrument, high stability, wide temperature range industrial grade

II. Core Performance Parameters

1. Gas Detection Indicators

Detected Gas: CO Carbon Monoxide

Measurement Range: 0 - 1000 ppm

Maximum Overload Tolerance: 2000 ppm (short-term impact does not damage)

Sensitivity: 100 ± 20 nA/ppm

Baseline Zero Point (Clean Air): < ±2 ppm CO Equivalent Drift

T90 Response Time: < 30s; Recovery Speed is Fast

Linearity: Full-range linear, error < ±1% FS

Repeatability: < ±1% Signal Value

Resolution: < 0.5 ppm ( standard operational amplifier circuit)

Bias Voltage: 0V (No additional bias voltage required, circuit design is simple)

2. Electrical Supporting Parameters

Recommended Load Resistance: 10 Ω

Maximum Open Circuit Voltage: 1.3 V

Maximum Short Circuit Current: < 1 A

Output Type: Weak Current Analog Signal, requires external I/V conversion circuit to convert voltage / 4-20mA

3. Environmental Adaptability Parameters

Continuous Working Temperature: -30℃ to +50℃

Short-time Maximum: 55℃

Working Humidity: 15% - 90% RH, no condensation

Air Pressure Applicable Range: 800 - 1200 mbar (common industrial environment)

Storage Conditions: Original factory sealed packaging, 0 - 20℃, protected from light, storage life 6 months

4. Lifespan and Stability

Expected Lifespan in Air: > 24 months

Long-term Annual Drift: < 5% Signal Attenuation

Original Factory Warranty: 24 months (calculated from shipment)

5. Mechanical Dimensions

Standard 7Series Packaging, outer diameter φ32mm, height approximately 16mm, universal industrial gas detector base, plug-in and replacement without calibration base.

III. Core Advantages

Industrial Wide Temperature Range: Available at -30℃ low temperature, suitable for northern outdoor, cold storage, underground workshops

High Stability: Small annual drift, equipment does not need frequent calibration during long-term operation

General Interchangeability: 7Series standard pins, compatible with most fixed-type gas alarms on the market

Resistant to Environmental Interference: Basic filtering for a small amount of SO₂, NOₓ, H₂S, better tolerance to industrial exhaust environment than civilian sensors

Wide Range Coverage: 0 - 1000 ppm suitable for CO leakage in boilers, internal combustion engines, smelting, etc.

IV. Main Application Scenarios

1. Metallurgy / Steel Industry

CO leakage monitoring in blast furnaces, heat treatment furnaces, steelmaking workshops, coke ovens, prevention of personnel poisoning and suffocation.

2. Mining Underground Safety

CO online monitoring in coal mines, metal mine tunnels, diesel locomotive exhaust, excessive alarm linkage for ventilation.

3. Boiler Rooms, Thermal Power Rooms

Monitoring CO leakage from gas boilers, fuel boilers, diesel generator rooms, monitoring incomplete combustion.

4. Underground Enclosed Spaces

Underground garages, civil defense basements, tunnels, pipe galleries, CO concentration monitoring in internal combustion engine exhaust, linkage with ventilation fans.

5. Engineering Machinery / Ship Engine Rooms

Ship engine room, forklifts, loaders, diesel generator sets, exhaust safety monitoring.

6. Chemicals, Painting Workshop

CO detection in combustion processes, drying furnaces, heat treatment carbonization furnaces.

7. Industrial Fixed-Type Gas Detector OEM It is equipped with 4-20mA transmitters and RS485 bus alarm hosts, which are used to establish safety interlocks with PLC and DCS systems.

Specifications: