YT-72900 - Measuring equipment Yato - Free user manual and instructions
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USER MANUAL YT-72900 Yato
- housing
- display
- function buttons
- power switch
- battery compartment
- measuring probe
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Read the operating instruction
This symbol indicates that waste electrical and electronic equipment (including batteries and storage cells) cannot be disposed of with other types of waste. Waste equipment should be collected and handed over separately to a collection point for recycling and recovery, in order to reduce the amount of waste and the use of natural resources. Uncontrolled release of hazardous components contained in electrical and electronic equipment may pose a risk to human health and have adverse effects for the environment. The household plays an important role in contributing to reuse and recovery, including recycling of waste equipment. For more information about the appropriate recycling methods, contact your local authority or retailer.
The paint thickness gauge is used to measure the thickness of paint layer on ferromagnetic and non-ferromagnetic metal surfaces. The measurement result is presented on the LCD. The product is battery powered and its small dimensions and light weight ensure high mobility. The product is not designed for commercial use.
Before using the product, read the entire instructions manual and keep it for future reference.
ATTENTION! This product is not a measuring instrument within the meaning of the Trade Metrology Act.
TECHNICAL SPECIFICATION
| Parameter Unit Value | ||
| Measurement range [um] 0 – 1300 | ||
| Measurement accuracy 3% ± 2 um | ||
| Grain [um] 0.1 | ||
| Minimum measured surface convex curvature radius | [mm] 1.5 | |
| Minimum measured surface concave curvature radius | [mm] 25 | |
| Minimum measured surface diameter [mm] 6 | ||
| Minimum Fe / NFe measured surface thickness | [mm] 0.5 / 0.3 | |
| Supply voltage [V DC] 3 | ||
| Battery type 2 x AAA | ||
| Dimensions [mm] 105 × 52 × 25 | ||
| Weight (without batteries) | [g] 100 | |
| Operating conditions | T: 0°C - 40 °C Rh 20% ~ 80% | |
| Storage conditions | T: -10°C - 50 °C Rh <80% |
The product is not waterproof and should always be kept dry. Do not expose to precipitation. Do not immerse in water or other liquids.
Do not allow contamination of the measuring probe. If dirty, do not clean with sharp objects.
The product is used only to measure the paint layer thickness on ferromagnetic (iron, steel) and non-ferromagnetic (aluminium, copper, brass) metal surfaces. Measurement will not be possible on surfaces made of precious metals, and on surfaces made of wood and wood-based materials, as well as plastics.
If the battery symbol appears on the display, it means that the batteries must be replaced immediately. Be sure to maintain proper polarity when replacing. In case of storage of the product for an extended time (over one month), remove the batteries from the product.
If the product has been stored in conditions beyond the operating conditions, wait until the product reaches the operating conditions automatically before use.
The product is not intended to be handled by children. Make sure that children do not treat the product as a toy.
PRODUCT OPERATION
Installing and the replacing batteries
Open the battery compartment cover. If the batteries are already installed in the compartment, remove them. Install the new batteries observing the correct polarity. Replace the battery compartment cover.
Starting and stopping the product
Before starting the product, make sure that the measuring probe of the gauge is not in contact with any object.
Press the power switch for approx. 1 second, the product will turn on, which will be confirmed by all messages being shown on the display and the countdown start, during which the automatic test of the product will be performed. Once the countdown is over, the product is ready for use. When turning the product on its measuring probe should not come into contact with any object.
There are two ways to turn the product off. Press and hold the power switch for approx. 2 seconds to turn the product off. If the product does not detect any metal surface or no button is pressed, the product will turn off automatically after approx. 5 minutes.
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Performing the measurement
Place the gauge at least 10 cm from any object that can be measured. Switch the product on. The display will show “- - - -”.
Use the “Units” function button to select the measurement unit. The symbol of the selected unit will be shown on the display. Micrometre – “um” or thousandths of an inch – “mil”.
Use the “MODE” function button to select the measurement mode. The symbol of the selected mode will be shown on the display. Single measurement mode – “SNG” or continuous measurement mode – “CON”.
Place the gauge's measuring probe perpendicular to the surface to be measured. The display should indicate the thickness of the paint layer. If the display continues to show “- - - -”, it means that the product has not detected the metal surface required for proper measurement.
If the single mode is selected, to perform another measurement the probe must be lifted at least 10 cm from the surface and then placed back perpendicular to the surface to be measured. A short sound signal will be emitted when measurement is successful. The measurement result will be visible on the screen until the product shuts down automatically or another measurement is taken. Single mode measurements are saved sequentially in the measurement memory. To read the measurements taken, follow the instructions in the “Measurement memory” section of the manual.
If continuous mode is selected, the gauge will continue measuring as long as the measuring probe is in contact with the surface to be measured.
During the measurement, the gauge will automatically identify the metals which the test surface is made of. The metal group symbol will be shown on the display.
Ferromagnetic metals – “Fe” or non-ferromagnetic metals – “NF”.
Notes on measurement
The measured surface should be clean. Dirt particles can cause measurement errors. If the temperature changes during measurement, turn the product off, turn it on again and take the measurement immediately after turning it on. Only such a procedure will ensure proper measurement accuracy.
Different metal surfaces have different magnetic properties and different conductivity. Measurement results on different surfaces can vary even if the paint layer thickness is the same. Measurement accuracy on steel surfaces cannot be guaranteed.
Measurement memory
Each single mode measurement is saved sequentially in the product's memory.
The last 20 measurements can be saved in the gauge's memory. The saved meas-
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urement is assigned a memory slot number shown on the display next to the "NO.". To read the saved measurements, briefly press the function button marked "Read" and then use the "MODE" or "Units" function button to select the slot number where the value has been saved and read it. When the measurement reading is completed, press the "Read" function button to return to the measurement mode.
Product calibration
Minor wear and tear of the measuring probe or long periods when the product is not in use are some of the factors that affect accuracy. The gauge must be properly calibrated to ensure high accuracy. Place one of the calibration metal plates supplied with the product on a hard, level and fl at surface.
To calibrate the zero point, start the product and select the continuous measurement mode using the "MODE" function button. Press and hold the "ZERO" function button for approx. 2 seconds, and then release pressure on the button. The display should show the "CAL" symbol. Place the measuring probe of the gauge perpendicular to the calibration plate. The gauge should indicate "0.0 um". If anything different is displayed, press the "ZERO" button briefly to calibrate.
After the zero point calibration is completed, perform spot calibration using film plates. To do this, place the 50 um thick film supplied with the product on a metal calibration plate. Place the measuring probe of the gauge perpendicular to the calibration plate. The gauge should indicate "50.0 um". If anything different is displayed, press the "ZERO" button briefly to calibrate. Calibrate subsequent points in the same manner using 100 um, 250 um, 500 um, 1000 um thick film, and then perform the whole calibration process from the beginning using the second metal calibration plate supplied with the product. After calibration, press and hold the "ZERO" function button for approx. 2 seconds, and then release pressure on the button.
Caution! If calibration is incorrect, reset the gauge as described further on in this manual, and then repeat the calibration process.
Product reset
It is possible to reset the product if incorrect calibration or operation is performed. To do this, press and hold the “Units” function button until two sound signals are emitted, and then release pressure on the button.
Maintenance and storage
The product does not require any special maintenance. Clean the housing and measuring probes with a soft, slightly damp cloth. Then wipe the product dry or leave it to dry. Store the product in the conditions specified in the table. Do not store the product together with other tools, e.g., in a toolbox. Protect the product from moisture, dust, direct sunlight and exposure to strong magnetic fields.
