Overview
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- Excellent accuracy and stability
- For harsh environments
- Diffusion and flow-through models
- Wide operating temperature and humidity ranges
- Compensation options for temperature, pressure, humidity and oxygen
- Low power consumption and heat emission
- Short warm-up time
- Compact and light
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Technical Specifications
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Performance |
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Measurement range options
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0 ... 1000 ppm, 0 ... 2000 ppm
0 ... 3000 ppm, 0 ... 4000 ppm
0 ... 5000 ppm, 0 ... 2 %
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Accuracy (excluding noise) at 25 °C (77 °F) and 1013 hPa after factory calibration with 0.5% accurate gases with different range options |
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0 ... 1000 ppm |
± (3 ppm + 1 % of reading) |
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0 ... 2000 - 0 ... 2 %
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± (5 ppm + 2 % of reading)
* Accuracy below 200 ppm CO2 not specified for 2 % range option |
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Sensor |
Vaisala CARBOCAP® |
Operating environment |
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Temperatures operations |
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continuous |
-40 ... +60 °C (-40 ... +140 °F)
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storage |
-40 ... +70 °C (-40 ... +158 °F) |
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Pressure |
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operating range |
0 ... 5 bar |
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pressure compensation range |
700 ... 1300 hPa |
Inputs and outputs |
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Operating voltage
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11... 36 VDC |
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Power consumption |
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without heating |
< 1 W |
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with heating |
max. 3.5 W |
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Analog outputs
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current output range |
4 ... 20 mA |
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voltage output range |
0 ... 2.5 V, 0 ... 5 V |
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Digital outputs |
RS-485, RS-232 |
Mechanics |
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Dimensions |
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length |
180 mm (7.1 inches) |
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diameter
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55 mm (2.2 inches)
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Weight (probe only)
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360 g |
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Material |
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body |
anodized aluminum |
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filter cover |
PC plastic |
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Housing classification |
IP66/IP67 |
Options and accessories |
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Wall mount bracket |
GMP343BRACKET
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Mounting flange |
GMP343FLANGE |
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Filter kit (Filter cover and dust filter) |
GMP343 FILTER |
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Calibration adapter |
GMP343ADAPTER |
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Junction box |
JUNCTIONBOX-8 |
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Probe cable, 2 m |
GMP343Z200SP |
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Probe cable, 6 m |
GMP343Z600SP |
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Probe cable, 10 m |
GMP343Z1000SP |
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PC connection cable, 2 m
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213379 |
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USB adapter (USB-D9) |
219686 |
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MI70 measurement indicator |
DRW216050SP |
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MI70 connection cable, 2 m |
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For complete specifications, please see the brochure or user guide in "Documents".
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Related Services
- Service Center Calibration
Regular calibration ensures that your Vaisala equipment continues to provide accurate, high-quality data. We offer traceable, standards-compliant calibration services for almost all Vaisala products and partner with world-class couriers for rapid, trouble-free return of your equipment.- Repair Services
Vaisala repair services include fault tracing and repair or replacement of failed components, as well as final testing to ensure your equipment is functioning properly. Repairs can be carried out on site or at one of our service centers.- Spare Parts
Get rapid access to the spare parts you need to maximize the uptime of your equipment and ensure reliable and accurate operation. In addition to standard spare part delivery, we also offer an express service where parts are shipped within one business day.- Warranty
All Vaisala products and services are covered by a 12-month warranty as standard, with selected products covered for up to 24 months. During this period you benefit from free repair or replacement of faulty equipment. With Vaisala’s extended warranty, you get free repair or replacement for five years.
Documents
- Equilibrium sampling in soil, snow and aquatic ecosystem measurements (pdf, 831KB)
- Wiring Junction Box for GMP343 (pdf, 348KB)
- GMP343製品カタログ (pdf, 1311KB)
- GMP343 Fiche technique en français (pdf, 232KB)
- GMP343 Ficha técnica em português (pdf, 235KB)
- GMP343 产品技术指标 (pdf, 484KB)
- GMP343 Datasheet in English (pdf, 261KB)
- GMP343 Datenblatt auf deutsch (pdf, 272KB)
- GMP343 Order Form Global (pdf, 40KB)
- GMP343 Order Form USA (pdf, 11KB)
- GMP343 選定明細書 (pdf, 180KB)
- GMP343選定明細書(Option) (pdf, 62KB)
- 215520 Soil Adapter Kit for Vertical Positioning of GMP343 (pdf, 405KB)
- 215519 Soil Adapter Kit for Horizontal Positioning of GMP343 (pdf, 420KB)
- Vaisala CARBOCAP® Sensor Technology for Stable Carbon Dioxide Measurement (pdf, 480KB)
- GMP343 取扱説明書 (pdf, 1415KB)
- GMP343 User Guide in English (pdf, 1507KB)
- A Perfect Combination of Old and New (pdf, 108KB)
- Extend Your Measurement Range (pdf, 179KB)
- Studying the Changing Climate in Controlled Environment Chambers (pdf, 194KB)
- A New Type of Carbon Dioxide Probe for Ecological Measurements (pdf, 800KB)
- Meeting the Challenge of Outdoor Carbon Dioxide Measurements (pdf, 246KB)
- Free Air CO2 Enrichment Experiment in Northern Japan (pdf, 205KB)
- From the Woods and into the Air (pdf, 192KB)
- Outdoor plant growth experiments in Elevated CO2 Atmospheres (pdf, 166KB)
- Greenhouse Gases and Global Warming (pdf, 1557KB)
- Surge in studies on Carbon Cycles of the Ecosystems of the World (pdf, 95KB)
- Diffusion-Based Soil Respiration Measurements (pdf, 81KB)
- GMP343 Wiring Diagram in English (pdf, 278KB)
- GMP343 外形図 (pdf, 328KB)
- GMP343 Flange 外形図 (pdf, 51KB)
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