Shandong Haiying Wuzhou Instrument Co., Ltd.
Shandong Haiying Wuzhou Instrument Co., Ltd.
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TD4 TFT-LCD True Color Display Accurate Speed Low Speed Centrifuge
A laboratory centrifuge is an instrument that uses the centrifugal force generated by a rotating rotor to separate substances of different densities and different particle sizes in a suspension or emulsion, or to perform analysis while separating. It has a wide range of applications and is suitable for laboratory use in chemical, food, pharmaceutical, environmental protection, mining, teaching and other laboratories.
TD4 TFT-LCD True Color Display Accurate Speed Low Speed Centrifuge Characteristic:
1. It has multiple early warning functions such as over-speed, over-temperature, unbalance, etc., and a special combination of damping devices makes the motor run smoothly and safely, preventing sample resuspension, and achieving excellent centrifugal effect.
2. TFT-LCD true color display, dual operation modes of touch screen buttons and physical buttons, with dedicated keys for centrifugal force display, and display setting parameters and operating parameters at the same time. Parameters can be changed at any time during operation without stopping the machine. The operation interface is intuitive, Simple and easy to use;
3. The operating menu can provide multi-language versions (Chinese, English, Russian, Portuguese).
4. Biological safety airtight angle rotor adopts silicon rubber integral sealing ring, which can avoid aerosol overflow and fully guarantee the safety of staff and laboratory environment.
| Host technical parameters | |
| product name | TD4 |
| Speed accuracy | ±50r/min (can be customized according to requirements, multiples of 10) |
| Timing range | 1-99h59min/continuous/short time centrifugation |
| noise | ≤60dB |
| power | 120W |
| power supply | AC220V 50Hz |
| Weight (with rotor) | 18 Kg |
| Dimensions (length×width×height) | 380×260×310 mm |
TD4 Low Speed Centrifuge Common Failure Analysis
1. After the power is turned on, the control panel displays normal, and the cooling fan works normally. When the start button is pressed, the intermediate relay does not work and the centrifuge does not work. According to the analysis of the fault phenomenon, the power supply part should be normal, and the fault should be in the control board and the circuit to the motor, carbon brush and motor. Turn on the centrifuge, use a multimeter to measure the continuity of the circuit from the control board to the carbon brush, and then measure the continuity of the carbon brush to the motor rotor, and the measured motor coil is normal. After starting up, use a multimeter to measure the non-voltage output of the wire from the control board to the motor. It can be judged that the fault should be on the control board. The intermediate relay does not work. The fault should be on the control circuit that controls the intermediate relay. Eliminate one by one, and find C9013 on the control board. The triode breakdown, the new C9013 triode is worse, troubleshooting.
