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Technical datasheet and experimental results for the Grove Multichannel Gas Sensor V2, including sensor characteristics, electrical specifications, measured gas types, and standard testing procedures.
Year:
2019
Device Type:
Gas sensor module
Model:
GM-102B, GM-302B, GM-502B, GM-702B
Interface:
Grove I2C
MCU:
STM32F030
Measured Gases:
CO, NO2, Ethyl alcohol, VOCs
Package:
Ceramic
Measurement Type:
Qualitative
Operating Voltage:
3.3V~5V
Response Time:
≤30s
Recovery Time:
≤60s
Preheat Time:
<48hrs
Test Conditions:
VH=2.5V, VC=3.3V, 20℃±2℃, 55%±5%RH
Data Type:
Voltage output across load resistance, resistance values
Calibration:
Standard test circuit
Manufacturer:
Seeed Studio
Price: 8 / 10 USD
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The product description is provided for reference. Actual content and formatting may differ slightly.
Year:
2023
Region / City:
CEPT
Topic:
Wireless Multichannel Audio Systems (WMAS), ERC Recommendation 70-03 Annex 10
Document Type:
Meeting Summary
Organization / Institution:
WG FM, SRD/MG, ETSI
Author:
WG FM, SRD/MG
Target Audience:
CEPT administrations, audio PMSE stakeholders
Period of Validity:
2023-2024
Approval Date:
20 November 2023
Date of Changes:
June 2024
Description:
This document summarizes discussions from the SRD/MG #91 meeting on proposed changes to the ERC Recommendation 70-03 Annex 10 regarding Wireless Multichannel Audio Systems (WMAS), focusing on power limit adjustments and harmonization.
Year:
2024
Region / City:
Durham, North-East England
Theme:
Environmental research, coastal resilience, marine biology
Document Type:
Invitation to Tender
Organization:
Durham Wildlife Trust
Author:
Durham Wildlife Trust
Target Audience:
Potential vessel providers
Period of Action:
May 2024 – March 2026
Approval Date:
N/A
Amendment Date:
N/A
Year:
2020
Region / City:
-
Topic:
Gas Detection, Electronics
Document Type:
Technical Manual
Organization / Institution:
Weihai Jingxun Changtong Electronic Technology Co., Ltd.
Author:
-
Target Audience:
Engineers, Technical Specialists
Effective Period:
-
Approval Date:
-
Amendment Date:
-
Year:
2022
Region / City:
Vancouver
Topic:
Poultry health, welfare, and food safety
Document Type:
Workshop proposal
Organization / Institution:
North Carolina State University, Wageningen University & Research, University of California Cooperative Extension, University of Montreal
Author:
Dr. Edgar O. Oviedo-Rondón, Dr. Rocio Crespo, Simon Cohen, Suresh Neethirajan, Dr. Maurice Pitesky, Jean Pierre Vaillancourt, Gustavo Machado
Target Audience:
Veterinarians, poultry industry professionals
Period of Validity:
Not specified
Approval Date:
Not specified
Date of Changes:
Not specified
Year:
2023
Region / City:
Loveland, CO
Topic:
Conductivity Sensor Specifications
Document Type:
Technical Specification
Organization:
Hach Company
Author:
Hach Company
Target Audience:
Engineers, Contractors, Technicians
Period of Validity:
Not specified
Approval Date:
Not specified
Date of Changes:
Not specified
Note:
Year
Region / city:
Gif-sur-Yvette
Theme:
Greenhouse gases, sensor testing, field campaigns
Document type:
Job description
Organization / institution:
Laboratory of Climate Sciences and the Environment (LSCE)
Author:
Felix Vogel, Gregoire Broquet
Target audience:
Potential job candidates
Period of validity:
9 months
Description:
Job description for a short-term position focused on sensor testing and field campaigns in greenhouse gas measurement.
Year:
2026
Region / City:
Global
Subject:
Industrial instrumentation, liquid level measurement
Document Type:
Technical datasheet
Organization:
WXH-2Q01 Sensor Manufacturing
Author:
R&D Department
Target Audience:
Industrial engineers, instrumentation specialists
Measurement Range:
300–5000 mm (customizable)
Temperature Range:
-40 to +85°C (sensor), -20 to +70°C (meter)
Power Supply:
+12VDC to +24VDC
Output:
Two-wire 4–20 mA DC
Safety Features:
Explosion-proof, intrinsically safe
Year:
2023
Region / city:
Singapore
Topic:
Protein detection, biosensors, electrophoresis
Document type:
Research paper
Author(s):
Patthara Kongsuphol, Gary C.F. Lee, Sunil K. Arya, Su Yin Chiam, Mi Kyoung Park
Institution:
Institute of Microelectronics, Agency for Science Technology and Research (A*STAR)
Target audience:
Researchers, professionals in biosensors and protein detection
Period of validity:
N/A
Approval date:
N/A
Modification date:
N/A
Year:
2025
Region / City:
Maumee River drainage basin
Theme:
Environmental Data Quality
Document Type:
Quality Assurance/Quality Control Guidelines
Organization:
WMP
Author:
Ishfaq Rahman
Target Audience:
Data Managers, Environmental Researchers
Period of Validity:
Ongoing
Approval Date:
2025-11-14
Date of Changes:
N/A
Authors:
Aaron McConville; James Davis
Affiliation:
School of Engineering, Ulster University, Jordanstown, Northern Ireland, BT37 0QB
Institution:
Ulster University
Document Type:
Scientific research article
Field:
Electrochemical sensing; Biomedical engineering; Materials science
Keywords:
palladium; composite; microneedle; transdermal; sensing array
Total Words:
3107
Text Words:
2954
Figures:
3
References:
47
Materials Investigated:
Palladium powder; Polystyrene; Polycarbonate; L-cysteine; Potassium ferrocyanide; Calcium alginate
Methodology:
Solvent casting of metal particle–polymer mixtures into silicone microneedle moulds
Application Area:
Transdermal electroanalysis
Experimental Model:
Calcium alginate hydrogel skin mimic with ferrocyanide redox probe and Parafilm™ barrier
Array Configuration:
10 × 10 pyramidal microneedles (200 × 200 × 350 µm)
Year:
2026
Region / City:
Thuwal, Saudi Arabia
Field:
Materials Science, Sensors
Document Type:
Research Paper
Institution:
King Abdullah University of Science and Technology (KAUST)
Authors:
Tutku Beduk, Abdellatif Ait Lahcen, Nouran Tashkandi, Khaled Nabil Salama
Target Audience:
Researchers in the fields of electrochemistry, material science, and sensors
Approval Date:
2026-02-20
Modification Date:
N/A
Year:
2015
Region / City:
Rochester, NY
Field:
Physics, Electronics, Chemistry, Biology
Document Type:
Product Manual
Organization:
NeuLog
Author:
NeuLog
Target Audience:
Educational Institutions, Science Experimenters
Period of Use:
Indefinite
Approval Date:
2015
Date of Updates:
V2015.5
Year:
2026
Region / City:
N/A
Topic:
Scientific Equipment, pH Sensor Deployment
Document Type:
User Manual
Author:
Kaitlyn Lowder, Kim Currie, Christopher Sabine, Abed El Rahman Hassoun, Maribel I. García-Ibáñez, Melissa Meléndez, Sophie Chu, Katherina Schoo, Regina Easley
Target Audience:
Researchers, Technicians in Environmental Science and Engineering
Date of Publication:
2026
Date of Changes:
N/A
Purpose:
Guideline for deploying, preparing, and recovering the iSAMI pH sensor.
Year:
2023
Region / City:
Loveland, Colorado, Berlin, Germany
Theme:
Measurement instruments
Document type:
Technical specifications
Organization / Institution:
Hach Company, Hach Lange GmbH
Author:
Hach Company
Target audience:
Engineers, contractors, technical professionals
Period of validity:
Not specified
Approval date:
Not specified
Amendment date:
Not specified
Certifications:
CE, UL, CSA, EMC, Safety: UL/CSA 61010-1, EMC Immunity EN 61326-1
Performance requirements:
Yes
Environmental requirements:
Temperature range: -20°C to 60°C, Relative humidity: 0-95%, non-condensing
Warranty:
2 years from shipment
Maintenance service:
Yes
Manufacturer:
Hach Company, Hach Lange GmbH
Product features:
AC and DC powered, menu-driven, equipped with data logger and security features
Installation requirements:
Mounting hardware for wall, pipe, and panel
Accessories:
Weather protection shield, sun screen, MODBUS output card, PROFIBUS DP card, etc.
Dimensions:
144 x 144 x 180 mm
Weight:
1.6 kg
Year:
2026
Region / City:
Loveland, Colorado, Berlin, Germany
Theme:
Water Quality Monitoring
Document Type:
Technical Specification
Organization / Institution:
Hach Company, Hach Lange GmbH
Author:
Not specified
Target Audience:
Engineers, Contractors
Effective Period:
Not specified
Approval Date:
Not specified
Modification Date:
Not specified
Year:
2023
Region / City:
Not specified
Theme:
DIY Electronics / Interactive Toys
Document Type:
Project Guide / Prototype Instructions
Organization / Institution:
ArduinoArts.com
Author:
ArduinoArts Team
Target Audience:
Hobbyists and Makers
Period of Activity:
Prototype development stages described in document
Hardware Used:
IKEA lamps (OLEBY and 5€ lamp), Grove Toy Kit, Seeeduino board, servos, sensors, audio accessory
Software Used:
Arduino IDE
Key Components:
Motion sensor, noise sensor, 3-axis accelerometer, servos, LED lamp, audio playback system
Project Steps:
Disassembly, servo installation, sensor integration, coding for auto and manual modes
External References:
www.youtube.com/arduinoarts, SeeedStudio.com
Note:
Year
Document Type:
Bid Proposal
Organization / Institution:
Cosumnes Community Services District
Target Audience:
Contractors, Subcontractors
Year:
1984
Region / City:
United States
Topic:
Title IX, Civil Rights, Gender Equality
Document Type:
Court Case Summary
Organization / Institution:
United States Supreme Court
Author:
Not specified
Target Audience:
Legal professionals, students of law, educators
Period of Action:
1972–1988
Date of Approval:
June 23, 1972
Date of Amendments:
March 22, 1988
Year:
2023
Region / City:
Concord
Theme:
Homeownership, Affordable Housing
Document Type:
Informational flyer
Organization / Institution:
BAAHA
Author:
Not specified
Target Audience:
Concord residents and workforce
Period of Validity:
Not specified
Approval Date:
Not specified
Modification Date:
Not specified
Contextual Description:
Informational flyer detailing the availability of a Below Market Rate (BMR) home in Bancroft Grove, Concord, and the associated First Time Homebuyer Program.
Year:
2026
Region / City:
Bentley, IP9 2BZ
Subject:
Planning Appeal, Solar Farm Proposal
Document Type:
Planning Appeal Core Documents
Organization:
Planning Inspectorate
Author:
Unknown
Target Audience:
Planning Authorities, Local Government, Public
Validity Period:
Ongoing Appeal
Approval Date:
19.01.26
Amendment Date:
09.07.2024