Handheld ph / orp-meter with data logger (20 pages)
Summary of Contents for GHM Greisinger GFTB 200
Page 1
H62.0.21.6C-05 Operating manual Precision Hygro-/Thermo-/Barometer with alarm function GFTB 200 as of version 2.1 Please carefully read these instructions before use! Please consider the safety instructions! WEEE-Reg.-Nr. DE 93889386 Please keep for future reference! GHM GROUP - Greisinger GHM Messtechnik GmbH | Hans-Sachs-Str.
3. When connecting the device to other devices the connection has to be designed most thoroughly as internal connections in third-party devices (e.g. connection GND with protective earth) may lead to undesired voltage potentials that can lead to malfunctions or destroying of the GFTB 200 and the connected devices.
H62.0.21.6C-05 Operating manual GFTB 200 page 4 of 12 _____________________________________________________ _____________________________________________________________________________ Do not use these products as safety or emergency stop devices or in any other application where failure of the product could result in personal injury or material damage.
H62.0.21.6C-05 Operating manual GFTB 200 page 5 of 12 _____________________________________________________ _____________________________________________________________________________ 4.3 Switching on The device is switched-on by shortly pushing the button After segment test the device shortly displays information on its configuration: P_OF if auto-off function is activated. If this function is deactivated the device is in continuous operating mode.
H62.0.21.6C-05 Operating manual GFTB 200 page 6 of 12 _____________________________________________________ _____________________________________________________________________________ 4.6 Display of min-/max- value memory For all measuring values the lowest and highest measured value since the switch-on of the device will be stored. display switching between ‘Lo’ and MIN value...
H62.0.21.6C-05 Operating manual GFTB 200 page 7 of 12 _____________________________________________________ _____________________________________________________________________________ 5.3 Relative humidity The device measures the relative humidity F of the air. The unit is % RH This unit shows how much water the air contains relatively. 100% corresponds with that amount of water the air can maximally contain at the current temperature.
H62.0.21.6C-05 Operating manual GFTB 200 page 8 of 12 _____________________________________________________ _____________________________________________________________________________ 6 Additional Functions and Information 6.1 Hiding unwanted display values By means of the configuration of the value a binary coded mask for hiding any of the display values can be entered.
H62.0.21.6C-05 Operating manual GFTB 200 page 9 of 12 _____________________________________________________ _____________________________________________________________________________ 8 Configuration of the device To configure the device functions proceed as follows: Switch off the device. Press and keep button pressed. Switch on device (press shortly).
H62.0.21.6C-05 Operating manual GFTB 200 page 10 of 12 _____________________________________________________ _____________________________________________________________________________ 9 Offset- (Zero point) and Slope Adjustment The pressure, temperature and humidity measuring values can be readjusted by the following settings. However, please consider that the integrated sensors are very precise and readjustment is very rarely needed.
H62.0.21.6C-05 Operating manual GFTB 200 page 11 of 12 _____________________________________________________ _____________________________________________________________________________ 10 Interface 10.1 Selection of base address ADR. Up to 10 measuring devices can be operated via one interface. All devices must have different base addresses 01, 11, 21 ...91. Select base address: se chapter 8.
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