Royal Eijkelkamp. Technical data can be amended without prior notification. Royal Eijkelkamp is not responsible for (personal) damage due to (improper) use of the product. Royal Eijkelkamp is interested in your reactions and remarks about its products and operating instructions.
The set consists of a soil air probe (probe cone with handle and silicone hose, art. nr.: 143501), a digital soil oxygen system type GX-8000 (art. nr.: 143515) with a gas sampling hose and a probe (see Figure 1). The accessories of the GX-8000 meter consist of: •...
Installing the batteries in the GX-8000 meter The batteries (3 pieces 1.5V AA type) are installed in the battery compartment at the bottom side of the meter. This compartment can be opened by turning the screw (1) in the lid to the left with a screwdriver. When inserting the batteries, make sure that the polarity of the batteries is correct (see markings in the meter) and that the lid (2) is properly closed afterwards.
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Measurements can now be carried out in the soil phase. The meter contains a motor that sucks in the air itself. The various parts of the GX-8000 meter are shown in the next figure. Not all parts are relevant for the GX- 8000 supplied with oxygen sensor.
LCD Display Fig. 5 LCD Display Pos. Function Parameter to be measured (oxygen) Numerical display and bar display measurement result % Pump driving indicator Clock display Battery level icon The meanings of battery level icons are as follows: : Sufficient : Low : Needs recharging If the battery level is lower than the above, the inside of the battery icon starts to blink..
The operation of the pump motor can now be heard. During start up, the meter display will alternate several times before displaying the detection mode screen. During the start-up procedure, the screen of the GX-8000 meter 02 briefly shows in succession the screens with: •...
The oxygen measuring cell works according to an electrochemical measuring principle and lasts approximately two years. The cell must be replaced by Royal Eijkelkamp. Indications for a deteriorated performance are: deviations when measuring in fresh air (the oxygen value must be in the region of 20.9%) and / or unstable values when performing measurements in a homogeneous gas.
5.1.1 Fresh air calibration Press and hold the AIR switch. The message Adj - Hold Air is displayed on the screen. Release the AIR switch when RELEASE is displayed on the screen. There is no 30 second countdown for this meter with only an oxygen sensor. When the adjustment procedure is finished, the meter returns to detection mode Note: In the detailed manual Air adjustment is also referred to as Zero...
• Insert the probe from the GX-8000 meter into the silicone tube of the soil probe and draw air up until the meter shows a constant reading (usually after several tens of seconds).
Air pressure If the air pressure changes (mountains, mine shafts), recalibrate to 20.9%. 7.2. Temperature The oxygen measuring cell is temperature compensated. This compensation differs slightly per cell. It is recommended that you recalibrate the meter again to 20.9% to fresh air when entering an area with a significantly different temperature.
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