+8615280858852
+8615280858852
1.No difference in nozzle pressure difference or sample differential pressure value or excessive value ▲Check if the motherboard sensor is loose. If it is loose, please insert it firmly. ▲Whether the Air Permeability Tester is not turned on, please click the clear button on the work interface. 2.There was no significant increase in pressure during the experiment. ▲Is the air tube before the sensor...
1. Friction head for plastic products, have been finished friction before going out factory, should no gap with stainless steel plate, friction head should be touched directly with sandpaper when uses. It is easy friction head to wear rather than flat. Larger gap with steel plate results in uneve pressure from the samples and impacting on testing results. 2. The speed of friction head has been adj...
If the testing salt liquid is not used more than one week, please do not use, so as not to affect the quality of the test. If time interval is long away from the next test, clean laboratory interior after the test, and water emission inside the heating pentrough. Water emission of heating tank --------------- open drain valve. Water emission of isolated sink --------------- Intermedi...
1. The shell of the Drying Oven shall be well grounded to guarantee the safe use. 2. The Drying Oven shall be placed inside one well-ventilated room, surrounding which no inflammable and explosive articles are available. 3. The Drying Oven has no explosion-proof device, so never place inflammable and explosive articles inside for drying. 4. The articles in the cabinet shall not be too crowded. Cer...
1. Lay out the composite specimen smooth in a flat bottomed dish and cover with the solution. Thoroughly wet one composite specimen in the alkaline solution at a liquor ratio of 50:1 and allow it to remain in the solution for 30 minutes. Press and move it from time to time to ensure good and uniform penetration of the liquor. 2. After this time interval pour off the solutions and wipe the excess l...
1. How can I elongate the use life of lamp? The use life of lamp is decided by actual use time and use time. For example, in case user need to use lamp for long time and power on and off lamp and switch functions in a day for many times, the use life of lamp is reduced. When you want power on and off lamp cabinet for several times in an hour, don`t power off the lamp cabinet. Generally, powering o...
1. Wash fastness tester instrument leaking ▲Check if the drain connector or drain valve is secure ▲Whether it is the connection of the heating pipe joint, the water level gauge, the rotating shaft, it is tightened or the gasket needs to be replaced. ▲Excessive water levels can also cause water leaks. 2.After installation, power on the work interface and click “Rotate”. The mot...
1. Sample Preparing Every sample should be put in the environment with temperature 20~250℃ and humidity 20~70% for more than 4 hours. 2. Testing Procedure 2.1. Keep the sample shape and static without moving. 2.2. Remove the test part from the entire toy in order the Toy Safety Sharp Edge Tester can touch it, but must keep the original rigidity. 2.3. The beginning and end of the PTFE tape can be c...
AG38 Fabric Stretch & Recovery Tester Operating specification Prepare test pieces 1. sampling Samples are taken - one roll of fabric is used as a sampling unit, and one roll is randomly selected from the available raw materials, or samples agreed by the buyer and the seller are taken. Specimens - Two sets of three 65 mm x 560 mm specimens were cut from the end of a roll of cloth 1 m, and the l...
The type of test is divided into dry test and wetting test. 1. Dry Friction a) Flatly put sample on the friction apparatus placing sandpaper, make the length of the specimen is in line with the direction of the moving track of the Rubbing Fastness Tester, and fix sample on the pressuring plate, the folder should be flat. b) Standard friction small white cloth fix on the friction head, clamp it tig...
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