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Vaisala GM70 CARBOCAP® Hand-Held Carbon Dioxide Meter
Our Price: $840.00 (+$900.00)
Item Number: GM70D
Manufacturer: Vaisala
Part Number: GM70D
Product Options
Vaisala GM70 Software Option
Vaisala GM70 Transmitter Calibration Cable Option
Vaisala GM70 Sampling Method
Vaisala GM70 Measurement Range Option
Vaisala GM70 Probe Accessories
Vaisala GM70 Carry Case Option
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Vaisala GM70 CARBOCAP® Hand-Held Carbon Dioxide Meter
Features:
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Two optional sampling methods: diffusion or pump aspiration
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User-friendly meter with multilingual user interface
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Numerical and graphical display of measurements
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Data can be logged and transferred to PC via MI70 Link software
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Wide selection of measurement ranges
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Suitable for field checking of fixed CO2 instruments
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Multi-probe operation; dewpoint and relative humidity probes can also be connected
The Vaisala GM70 Hand-Held Carbon Dioxide Meter is a user-friendly meter for demanding spot measurements in laboratories, greenhouses and mushroom farms. The meter can also be used in HVAC and industrial applications, and as a tool for checking fixed CO2 instruments. The GM70 has a short warm-up time and is ready for use almost immediately. It has a menu-based interface, a graphical LCD display and data logging capability. The optional MI70 Link Windows® software in combination with a USB connection cable provides an easy way to handle data in a PC environment.
The GM70 incorporates the advanced Vaisala CARBOCAP® sensor that has unique reference measurement capabilities. The measurement accuracy is not affected by dust, water vapor or most chemicals. The GM70 has a two-year recommended calibration interval.
The handle is for hand-held diffusion sampling. The GM70 pump enables pump-aspirated sampling from locations difficult to access otherwise. It is also ideal for comparisons with fixed CO2 transmitters. The GM70 uses the same probes as Vaisala CARBOCAP® Carbon Dioxide Transmitter Series GMT220 and Modules Series GMM220. By plugging different probes into the handle or pump, the user can easily change the measurement range of the GM70.
The meter can also be used as a calibration check instrument for Vaisala’s GM20 and series, GMT/M220 fixed CO2 instruments. GMP220 probes can even be adjusted by using the GM70 meter. The GM70 has two probe inputs. Vaisala’s relative humidity and dewpoint probes can also be used simultaneously with CO2 measurement.
Technical Specifications
Carbon dioxide concentration measurement
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Measurement range options
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GMP221
probe
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0 ... 2 %, 0 ... 3 %, 0 ... 5 %, 0 ... 10%, 0 ... 20 %
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GMP222 probe
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0 ... 2000 ppm, 0 ... 3000 ppm, 0 ... 5000 ppm,
0 ...7 000ppm, 0 ...
10000 ppm
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Accuracy (incl. repeatability,
non-linearity and calibration uncertainty at +25 °C (+77 °F) and 1013
hPa
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GMP221
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± (1.5 % of range + 2% of reading)
(applies for concentrations
above 2% of full scale)
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GMP222
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± (1.5 % of range + 2% of reading)
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Sensor
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Vaisala CARBOCAP®
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Operating environment
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Temperature
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-20 ... +60 °C for probe
-10
... +40 °C for indicator
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Relative humidity
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0. .. 100 %RH non-condensing
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Pressure
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700 ... 1300 hPa
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Flow range
(diffusion sampling)
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0 ... 10 m/s
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Indicator
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Menu languages
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English, French, Spanish, German, Swedish, Finnish, Russian, Japanese,
Chinese
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Display
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LCD with backlight, graphic trend display of any quantity
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Probe inputs
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1 or 2 probes measuring
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Data logging capacity
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Simultaneously, 2700 points
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