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1. Measuring range: 0.00~14.002. Power supply: 9V battery (not included)3. Widely used in industry, electric power, agriculture, medicine, food, water quality testing, scientific research and environmental protection and other fields4. Large-screen LCD display, accurate and clear handwriting5. Reserve the bracket port, which can be used by hand or bracket, which is convenient and practical6. PH composite electrode probe, fast, convenient, accurate and easy to deal with various environments7. Connected electrode interface, portable8. Weight: 205 grams9. Dimensions: 159x66x31mmSpecification: Package Weight One Package Weight 0.25kgs / 0.56lb One Package Size 17cm * 10cm * 6cm / 6.69inch * 3.94inch * 2.36inch Qty per Carton 118 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 118 pcs = 20886 pcs40HQ: 412 cartons * 118 pcs = 48616 pcs

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1. Voltage: DC12V (applicable range: DC 7-14V); DC24V (applicable range: DC5-28V)2. Power: 30W3. Flow: 17L/min4. Head: 8M5. No maintenance required, small size, high efficiency, low power consumption, strong anti-interference ability, stable operation6. No carbon brushes, no pollution, electronic commutation, long life7. The bottom mounting plate of the water pump can be replaced with shock-absorbing silicone to absorb vibration and reduce noise. The position of the silicone can be adjusted for easy installation8. The stator and circuit board of the motor are encapsulated with epoxy resin and completely isolated from the rotor, which solves the leakage problem caused by long-term submersion of the motor-type DC water pump and is completely waterproof9. Solve a series of problems such as water pump stuck in complex environment and water pump suddenly not startingThe water pump shaft adopts high-performance ceramic (zirconia) (stainless steel shaft can be selected to reduce cost), with high precision and good wear resistance. Due to the precise matching of high-precision sleeve and ceramic shaft10. Water pump parameters, voltage, head, etc. can be adjusted according to requirements, the volume remains unchanged, and wide voltage operation can be achieved11. Optional speed regulation function (PWM speed regulation, 0~5V analog signal speed regulation, potentiometer speed regulation)12. Amphibious (installation position is lower than the liquid level when used outdoors)13. Application range of water pump: electric vehicle cooling system, water circulation of automation equipment, water refrigeration and other electrical appliances, water dispensers, sanitary products, paper shredders, soilless cultivation, water-heated mattresses, air conditioning pumping, aquariums, desktop crafts, footbaths, water-heated mattresses, water heaters, computer water cooling, water-cooled fans, medical equipment, pharmaceutical systems, chemicals, circulation systems, cooling and heat dissipation systems, refrigeration systems, water-cooled air conditioners, water-cooled fans, mobile showers, solar fountains, solar circulation systems, home booster systems, villa water supply systems, small irrigation systems, water treatment systems, small water supply systems, automobile circulation systems, automobile heating systems, machine tools, household appliances, kitchen appliances, sanitary products, hot water circulation systemsPrecautions:1. This water pump is a submersible centrifugal water pump. The water pump must be immersed in water, or when the pipeline is connected, the horizontal surface of the external water source must be lower than the water inlet of this water pump, so that the air is discharged after the water enters the water inlet cavity of the water pump, and the water pump can pump water normally2. The flow rate of the water pump is the horizontal flow rate, that is, the flow rate of horizontal pumping3. This water pump cannot work without water for a long timeAccessories include:- Submersible pump x 1- Water pipe adapter (4-point to 6-point threaded port) x 2- Stainless steel clamp (diameter 14-27mm) x 2- Waterproof heat shrink tube terminal x 2Specification: Package Weight One Package Weight 0.32kgs / 0.71lb One Package Size 13cm * 7cm * 10cm / 5.12inch * 2.76inch * 3.94inch Qty per Carton 50 Carton Weight 17.00kgs / 37.48lb Carton Size 41cm * 36cm * 25cm / 16.14inch * 14.17inch * 9.84inch Loading Container 20GP: 722 cartons * 50 pcs = 36100 pcs40HQ: 1677 cartons * 50 pcs = 83850 pcs

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1. pH Measurement Range: 0.0~14.0pH2. Portable pH meter, high accuracy, stable operation. It measures the pH value of a solution and displays the temperature of the liquid being measured. Widely used in: industry, power, agriculture, medicine, food, scientific research, and environmental protection.3. When the pH value is below 3.5, the red backlight illuminates as an alarm, indicating that the liquid is approaching strong acidity; when the pH value is above 12.5, the red backlight illuminates as the liquid is approaching strong alkalinity.4. Automatic temperature compensation from 0 to 70 degrees Celsius; temperature has a certain impact on pH measurement, and the impact is even greater if high accuracy is required. Therefore, a high-precision pH meter with intelligent temperature compensation is essential.5. The instrument features a dual-color alarm and a night backlight, which can intuitively display the measured value. In measurement mode, if the measured value exceeds the range, the white light changes to a red over-value warning light, easily handling dark environments.6. This instrument features a three-point pH calibration function with automatic recognition and a simple, quick calibration process.7. A high-precision pH probe ensures faster and more accurate measurements, safeguarding precise water quality testing.8. Powered by two 1.5V AAA batteries, it is durable and easy to replace.9. The replaceable probe design with an insert-type mechanism makes replacement quick and easy.10. Ergonomically designed with anti-slip features on both sides for ease of use.11. Dimensions: 43x43x176mm12. Weight: 88gSpecification: Package Weight One Package Weight 0.10kgs / 0.23lb One Package Size 20cm * 6cm * 6cm / 7.87inch * 2.36inch * 2.36inch Qty per Carton 60 Carton Weight 7.10kgs / 15.65lb Carton Size 42cm * 38cm * 32cm / 16.54inch * 14.96inch * 12.6inch Loading Container 20GP: 522 cartons * 60 pcs = 31320 pcs40HQ: 1212 cartons * 60 pcs = 72720 pcs

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1. Voltage: DC12V (applicable range: DC 7-14V) / DC24V (applicable range: DC 5-28V)2. Power: 20W3. Flow: 13L/min4. Head: 5.5M / 3M5. No maintenance required, small size, high efficiency, low power consumption, strong anti-interference ability, stable operation6. No carbon brushes, no pollution, electronic commutation, long life7. The bottom plate of the water pump can be replaced with shock-absorbing silicone to absorb vibration and reduce noise. The position of the silicone can be adjusted for easy installation8. The stator and circuit board of the motor are encapsulated with epoxy resin and completely isolated from the rotor, which solves the leakage problem caused by long-term submersion of the motor-type DC water pump and is completely waterproof9. Solve a series of problems such as water pump stuck in complex environment and water pump suddenly not startingThe water pump shaft adopts high-performance ceramic (zirconia) (stainless steel shaft can be selected to reduce cost), with high precision and good wear resistance. Due to the precise matching of high-precision sleeve and ceramic shaft10. Water pump parameters, voltage, head, etc. can be adjusted according to requirements, the volume remains unchanged, and wide voltage operation can be achieved11. Optional speed regulation function (PWM speed regulation, 0~5V analog signal speed regulation, potentiometer speed regulation)12. Amphibious (installation position is lower than the liquid level when used outdoors)13. Application range of water pump: electric vehicle cooling system, water circulation of automation equipment, water cooling and other electrical appliances, water dispensers, sanitary products, paper shredders, soilless cultivation, water-heated mattresses, air conditioning pumping, aquariums, desktop crafts, footbaths, water-heated mattresses, water heaters, computer water cooling, water-cooled fans, medical equipment, pharmaceutical systems, chemicals, circulation systems, cooling and heat dissipation systems, refrigeration systems, water-cooled air conditioners, water-cooled fans, mobile showers, solar fountains, solar circulation systems, home booster systems, villa water supply systems, small irrigation systems, water treatment systems, small water supply systems, automobile circulation systems, automobile heating systems, machine tools, household appliances, kitchen appliances, sanitary products, hot water circulation systemsPrecautions:1. This water pump is a submersible centrifugal water pump. The water pump must be immersed in water, or when the pipeline is connected, the water level of the external water source must be lower than the water inlet of this water pump, so that the air is discharged after the water enters the water inlet cavity of the water pump, and the water pump can pump water normally2. When selecting a water pump, be sure to give the use environment: such as continuous working time, water temperature, medium, etc. Water pumps with power exceeding 24W are not suitable for long-term continuous operation at water temperatures above 65 degrees.3. The above current is the opening current of the water pump, that is, the current when the water pump is directly placed in the water without connecting to any system. When the water pump is connected to the system, the working current of the water pump will be reduced to 70%-85% of the load current.4. The flow rate of the water pump is the horizontal flow rate, that is, the flow rate of horizontal pumping.5. This water pump cannot work without water for a long time.Accessories include:- Submersible pump x 1- Water pipe adapter (4-point to 6-point threaded port) x 2- Stainless steel clamp (diameter 14-27mm) x 2- Waterproof heat shrink tube terminal x 2Specification: Package Weight One Package Weight 0.25kgs / 0.56lb One Package Size 13cm * 8cm * 6cm / 5.12inch * 3.15inch * 2.36inch Qty per Carton 80 Carton Weight 20.00kgs / 44.09lb Carton Size 41cm * 36cm * 25cm / 16.14inch * 14.17inch * 9.84inch Loading Container 20GP: 722 cartons * 80 pcs = 57760 pcs40HQ: 1677 cartons * 80 pcs = 134160 pcs

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1. Working voltage: 5v2. Working current: 1A3. Number of nozzles: 24. Size: 8x10x3.5cm5. Features: smart timing, exquisite and compact6. Weight: 0.6kg7. Pipeline length: 5 meters8. Power: less than or equal to 5w9. Power supply mode: USB plug-in use10. Timing mode: cycle timingSpecification: Package Weight One Package Weight 0.63kgs / 1.40lb One Package Size 20.5cm * 21.5cm * 7cm / 8.07inch * 8.46inch * 2.76inch Qty per Carton 36 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 36 pcs = 6372 pcs40HQ: 412 cartons * 36 pcs = 14832 pcs

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1. Beautiful modeling, can be used to decorate fish tanks, desks2. Resin material, environmental protection and durable, easy to clean3. Realistic modeling, fast scenery4. Non-toxic and harmless, soak in water does not lose color, can be used without worry5. Can be used as a pet sunbed, feeding, exercise breathing, when hiding cave use6. Size: GT026: about 23.5 x 17.5 x 9cm, GT023: about 16 x 14 x 2cm, GT149: about 10.5 x 18 x 9.5cm, GT001: about 15 x 8 x 7.5cm, GT013S:: about 14 x 8.5 x 6.5cm, GT013M: about 17 x 10 x 8cm7. Weight: GT026: about 530g, GT023: about 493g, GT149: about 313.5g, GT001: about 147.5g, GT013S: about 142.5g, GT013M: about 230gSpecification: Package Weight One Package Weight 0.33kgs / 0.72lb One Package Size 17.5cm * 11.5cm * 11cm / 6.89inch * 4.53inch * 4.33inch Qty per Carton 92 Carton Weight 29.00kgs / 63.93lb Carton Size 55cm * 48cm * 35cm / 21.65inch * 18.9inch * 13.78inch Loading Container 20GP: 288 cartons * 92 pcs = 26496 pcs40HQ: 669 cartons * 92 pcs = 61548 pcs

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This refractometer is used in salt solution testing, seawater control industry and aquariums, oceans, fisheries, farms in the salt content of seawater, and low concentrations of salt in processed foods, or used to detect the specific gravity of the salt solution. Can also be used for medical institutions, university research and so on.If you grow your own fruit and vegetables to produce homemade pickles or to freeze, this refractometer will give you the information that you need to ensure your end products quality.Vital if you need to check salt levels when preparing sea food and other ocean by-products.Healthy fish are happy fish! Ensure the percentage of salinity in your aquarium or pond is just how your fish like it.Essential piece of equipment used in research and clinical laboratories for checking and maintaining stock solutions and dilutionsVital for students of Oceanography for determining the soil quality, research and clinical laboratories and marine industry It is equipped with Automatic Temperature Compensation (ATC), so that the fractometer is automatically adjusted to correct temperature discrepancies of environment temperature. 2 in 1 design to measure the Specific gravity (sg) of the salt solution and concentration of Nacl Easy to use, sturdy design, compact in size and light in weight, convenient to keep up and carry arround. With Built-in ATC (Automatic Temperature Compensation) from 10~30 degree Celsius. Soft Rubber eyepiece for comfortable viewing Equipped with scale measurement which provides direct reading Accurate testing results guaranteed Durable and bulit to last long Adjustable manual focusing Use ambient light only which means battery or power source is not required We provide Manual in English, French, German, Spanish, Italian, Japanese, Russian .Specification: Package Weight One Package Weight 0.29kgs / 0.63lb One Package Size 20cm * 15cm * 7cm / 7.87inch * 5.91inch * 2.76inch Qty per Carton 59 Carton Weight 15.00kgs / 33.07lb Carton Size 77cm * 58cm * 27cm / 30.31inch * 22.83inch * 10.63inch Loading Container 20GP: 221 cartons * 59 pcs = 13039 pcs40HQ: 513 cartons * 59 pcs = 30267 pcs

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1. Shell material: gray ABS flame-retardant plastic shell2. Refrigeration control output delay protection3. Switch the mode between cooling and heating4. Resolution: 0.1, accuracy: ±1 degrees Celsius5. Measuring and controlling temperature range: -50～+110 degrees Celsius6. After turning off the power, all parameter settings can be saved7. Control the temperature by setting the temperature setting value and the difference value8. Alarm when the temperature exceeds the temperature limit or the sensor is wrong9. Sensor h type: imported NTC sensor, cable length 1 meter10. Please connect the power supply according to the parameters and wiring diagram, and connect the cooling or heating equipment to the output terminal11. Relay output contact capacity: heating: 10A/240VAC, cooling: 10A/240VCA12. The OUT indicator on the panel: flashing indicates the delay of the cooling or heating start, and the constant light indicates the output13. Long press set, 5 seconds to enter the internal parameter setting, press up and down to switch P0...P8, press Rst to confirm and return14. Enter the internal settings to select heating (enter P0 to select H) or cooling (enter P0 to select C) mode according to needs15. It can be used in household freezers, water tanks, refrigerators, industrial chillers, steamers, industrial equipment and other temperature control applications16. Digital tube: display LLL for sensor open circuit; display HHH for exceeding the measuring range and the thermostat will be forced to power off; display --- high temperature alarm17. P0 cooling and heating mode, P1 hysteresis setting, P2 setting range: setting temperature does not exceed this value, P3 setting range: setting temperature not lower than this value, P4 temperature correction, P5 delay Start-up time unit: minutes, P6 high temperature alarm, P7 data lock function, turn on the data lock, P8 restores factory settings18. Product size: 75x34.5x85mm19. Net weight: 120gSpecification: Package Weight One Package Weight 0.10kgs / 0.22lb One Package Size 9cm * 10cm * 5cm / 3.54inch * 3.94inch * 1.97inch Qty per Carton 100 Carton Weight 15.00kgs / 33.07lb Carton Size 52cm * 47cm * 27cm / 20.47inch * 18.5inch * 10.63inch Loading Container 20GP: 404 cartons * 100 pcs = 40400 pcs40HQ: 938 cartons * 100 pcs = 93800 pcs

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1. Series: portable PH test pen2. Working temperature: 0-60 degree C3. Measurement range: 0.00-14.00PH4. Resolution / accuracy: 0.01PH5. Battery: 2x1.5V (LR44) button batteries6. Calibration method: (4.01 / 6.86 / 9.18) three-point calibration7. Scope of application: domestic water, food PH, aquarium water quality, aquaculture and other fields8.Features: highly sensitive measuring probe, automatic temperature compensation function, three-point calibration function, automatic calibration function, easy to use, large screen display9. Product accessories:- 1xPH test pen- 1xPH 4.01 25 degree C PH Buffer Powder- 1xPH 6.86 25 degree C PH Buffer Powder- 1x user manual- 1x packaging box10. Product size / weight: 15.5x3.1x1.7cm / 49g11. Note: Some customers report that the product has data jumps, which is normal. (When using this product: After being placed in water, the data will always change slowly from the last decimal point, this is because the PH meter needs to adapt to the test environment. The data will be stable for about 1 minute when it is still, and this the final test data. In addition, if the water surface shakes, the data will also jump, so the test must ensure that the water surface is still.)Specification: Package Weight One Package Weight 0.20kgs / 0.45lb One Package Size 17cm * 6cm * 3cm / 6.69inch * 2.36inch * 1.18inch Qty per Carton 146 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 146 pcs = 25842 pcs40HQ: 412 cartons * 146 pcs = 60152 pcs

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1. Test the pH level and temperature of solution/water with data hold function.2. Pocket size, lightweight and portable with switchable backlight & large LCD display for clear reading.3. Replaceable pH sensor probe - The electrode probe can be replaced with insert type design for convenient and fast replacement.4. ATC function (automatic temperature compensation), automatic calibration and IP65 fully waterproof design.5. Apply in water sources, soil-free growing, aquariums, hydroponics, laboratory, spas, swimming pools and other water systems.6. Power: 2 x AAABattery (Not Included)Specification: Package Weight One Package Weight 0.25kgs / 0.54lb One Package Size 20cm * 6cm * 6cm / 7.87inch * 2.36inch * 2.36inch Qty per Carton 50 Carton Weight 11.00kgs / 24.25lb Carton Size 42cm * 32cm * 32cm / 16.54inch * 12.6inch * 12.6inch Loading Container 20GP: 620 cartons * 50 pcs = 31000 pcs40HQ: 1439 cartons * 50 pcs = 71950 pcs

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1.This is a digital TDS meter tester to test the filter water quality purity, to check the performance of your water filter, to check for hardness to make sure you always drink pure water.Saves measurements for convenient reading and recording New Arrival 2.Auto-off function: turns off meter after 5 minutes of non-use to conserve batteries 3.Automatic temperature compensation 4.Shift between TDS and conductivity 5.Can be used in : Water purifiers and filters, food(vegetable, fruit)& drink quality monitoring, pools and spas, aquarium, hydroponicsSpecification: Package Weight One Package Weight 0.08kgs / 0.18lb One Package Size 12cm * 6cm * 4cm / 4.72inch * 2.36inch * 1.57inch Qty per Carton 100 Carton Weight 11.60kgs / 25.57lb Carton Size 40cm * 30cm * 26cm / 15.75inch * 11.81inch * 10.24inch Loading Container 20GP: 854 cartons * 100 pcs = 85400 pcs40HQ: 1984 cartons * 100 pcs = 198400 pcs

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1. Easy-to-use. Just put the test pen into the water you want to test and press the button, then the TDS(total dissolved solids) of water shows on the display. 2. Superb technique, accurate data. Measure water purity accurately, pay close attention to families'health and safety. The lower the TDS the higher purity water has. 3. Extensively application. You can use it to test the purity of running water, plain boiled water, barreled pure water, cell water, filtered water, aquarium water, and so on. 4. lowenergy and intelligent. The tester has IPX6 waterproof body and lowenergy chip, it will auto off above 2 minutes nonuse. 5. 2 changeable button batteries are built in it. 6. Test range: 0-9990.Specification: Package Weight One Package Weight 0.06kgs / 0.13lb One Package Size 20cm * 5cm * 2cm / 7.87inch * 1.97inch * 0.79inch Qty per Carton 200 Carton Weight 12.80kgs / 28.22lb Carton Size 40cm * 40cm * 30cm / 15.75inch * 15.75inch * 11.81inch Loading Container 20GP: 555 cartons * 200 pcs = 111000 pcs40HQ: 1289 cartons * 200 pcs = 257800 pcs

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