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Friday, August 16, 2019

Quantity : 80000Pcs - Price : 3-50USD

- Specification of JH-238 Pocket Body Worn Hearing Aid Hearing Amplifier - Max Sound Output 130 ± 5dB Voltage 1.5V Sound Gain ≥50dB/51.5 Battery size AA Total Harmonic ≤5% Battery capacity/Mah 2400 Wave Distortion Operation ≤4mA Operation current/mA 6.9 Current...

Friday, August 16, 2019

Quantity : 80000Pcs - Price : 3-50USD

JH-233 Body Worn Pocket Ear Sound Amplifier / Body Level Hearing Aid - Specification of JH-233 Body Worn Pocket Ear Sound Amplifier Hearing Aid - Max Sound Output 131 ± 5dB Voltage 1.5V Sound Gain ≥55dB/58.9 Battery size AA Total Harmonic ≤5% Battery capacity/Mah ...

Friday, August 16, 2019

Quantity : 80000Pcs - Price : 3-50USD

- Specification of JH-116 Personal Sound Amplifier Behind The Ear Hearing Aid - Max Sound Output 130 ± 5dB Voltage 1.5V Sound Gain ≥45dB/44 Battery size LR754 Total Harmonic ≤5% Battery capacity/Mah 68 Wave Distortion Operation ≤4mA Operation current/mA 4.5 Current...

Tuesday, August 13, 2019

Laboratory vacuum filtration equipment is specially designed for laboratory workers to maintain solid-liquid separation of liquid samples. Operation Procedures of Diaphragm Vacuum Pump 1. Put the glass filter flask on the stainless steel workbench, and insert the silica gel plug of...

Friday, August 09, 2019

Vacuum pump use precautions The function of the vacuum pump is to remove gas molecules from the vacuum chamber and reduce the gas pressure in the vacuum chamber to achieve the required vacuum. In general, there is a large range from atmospheric to very high vacuum, and so far no vacuum...

Friday, July 12, 2019

Note on the filter paper box that when using the quantitative and qualitative analysis filter paper to filter the precipitate: 1. Generally uses natural filtration, using the filter paper body and the ability to retain solid particles to separate the liquid and solid; 2. Because the...

Thursday, July 11, 2019

1. Aspiration and drainage Vertical aspiration; the tip of the tip is immersed in the liquid surface below 3mm. The tip of the tip is pre-flushed in the liquid before the aspiration; slow suction and slow release; if the amount is small when the liquid is discharged, the tip of the...

Monday, July 08, 2019

The feature of JH-D03 BTE FM Balanced Armature Loudspeaker Open Fit Hearing Aid Hearing Amplifier 1. Modeling exquisite, the button is obvious, easy to operate; 2. Open fit hearing aid can change the ear tube as you need, comfortable wear; 3. Corresponding uncomfortable threshold...

Monday, July 01, 2019

- High Performance Silicone Adhesive/heat resistant waterproof Sealant - 3334 - - FEATURES OF GOLOHO-3334 - Convenient: one-part, deoximation, rapid cure at room temperature Neutral, no corrosion to metal, anti-yellowing. Excellent adhesive to hard bonding materials without prime Use at...

Monday, July 01, 2019

- Thermally Conductive Silicone Adhesive - 2752 - - FEATURES OF GOLOHO-2752 - GOLOHO-2741 is a high performance rtv grease silicone thermally conductive adhesive· Excellent thermal conductive, heat dissipation and adhesion·Small power heater can be directly bonded on the radiator...

Monday, July 01, 2019

- Low VOC Silicone Modified Polyurethane Conformal Coating - L325 - - FEATURES OF GOLOHO-L325 - ·Convenient to use: organic silicon modified polyurethane type, good waterproof, easy to repair. ·Neutral, no corrosion for many metals, anti-yellowing. Outstanding bond strength for...

Monday, July 01, 2019

This is a useful weapon for experimental analysts to filter micro-samples quickly and effectively, such as sample pre-filtration, clarification, and filtration of particles, liquids, and gases sterilizing, etc. The structure of Hawach syringe filter The structure of Hawach syringe...

Tuesday, June 18, 2019

The main components of Wuxi Top Asia with German import parts, excellent performance, fast temperature rise, good reliability, is ideal for the equipment of the environmental testing laboratory. At present, the company's products have been sold well in Britain, Germany and France...

Saturday, June 15, 2019

Price : USD44,000 to USD17,0

Sany 46 meters concrete pump, Isuzu chassis, RZ type, classical 5 booms, high working stability. Manufacture Date is April of the year 2011 and pumping Volume is 124400cmb and Mileage is 35100km. Comprehensive maintenance, direct to the construction site. Overview of equipment: Five-section...

Wednesday, June 12, 2019

Hawach introduces pipettes from the pipetting speed of the pipette and precautions during storage. First, the rate of liquid absorption. It is often seen in the laboratory that in order to “improve efficiency”, the user quickly releases the thumb during aspiration, which causes the...

Friday, June 07, 2019

Pipettes are common and necessary laboratory equipment in the laboratory, and the experimenter must be very cautious about their daily use. However, many people will ignore the related maintenance and maintenance of the pipette after use. Precautions for maintenance: 1. Regularly...

Wednesday, June 05, 2019

The conventional membrane filter device comprises vacuum manifolds filtration system, joint flask, and the vacuum source. Conspicuously, the essential part is the filtration system, which consists of three glass filter holders with respective values and two handles placed on both sides...

Monday, June 03, 2019

Features of JH-351R BTE RIC FM Rechargeable Hearing Aid Hearing Amplifier 1. 2 hours continuous use with a full charge 2. Super mini in the ear, invisible in the ear. 3. Wide frequency range, high quality sound. 4. Open fit hearing aid, no blockage effect, improving wear comfort...

Monday, June 03, 2019

Features of JH-908 ITE Mini Digital Hearing Aid Hearing Amplifier 1. Hot-selling worldwide for this item and well known; 2. Merely the smallest CIC model in this price level, comfortable in the ear; 3. Suitable for patients of all ages 4. Good and steady sound performance, balanced...

Monday, May 06, 2019

CLW Group is one of the top five hundred private enterprises in China, and we specialize in different special trucks like lpg skid station. With movable function, LPG skid station consists of different valves, pumps, storage tank, etc single part and steel base. Less cost, operating simply...

Saturday, December 01, 2018

Quantity : 100 - Price : Contact me

As the development of LED technology continues to grow and diversify, the need for consistent and standardized testing procedures for LED has become more prevalent than ever. SHNEZHEN Southern LCS Compliance Testing Laboratory Ltd. is an NIST NVLAP Accredited testing for LM-79 (NVLAP Lab Code...)

Wednesday, August 22, 2018

Quantity : 80000Pcs - Price : 3-50USD

- Specification of JH-361 Rechargeable Portable BTE Hearing Aid Hearing Amplifier - Frequency Range: 200-6000Hz Total Harmonic Wave Distortion: 500Hz <= 0% 70dB</td> 800Hz <= 1% 70dB</td> 1600Hz <= 0.8% 65dB</td> Reference Test Gain: Target 43...

Wednesday, August 22, 2018

Quantity : 80000Pcs - Price : 3-50USD

- Specification of JH-116 Personal Sound Amplifier Behind The Ear Hearing Aid - Max Sound Output 130 ± 5dB Voltage 1.5V Sound Gain ≥45dB/44 Battery size LR754 Total Harmonic ≤5% Battery capacity/Mah 68 Wave Distortion Operation ≤4mA Operation current/mA 4.5 Current...

Wednesday, August 22, 2018

Quantity : 80000Pcs - Price : 3-50USD

- Specification of JH-233 Body Worn Pocket Ear Sound Amplifier Hearing Aid - Max Sound Output 131 ± 5dB Voltage 1.5V Sound Gain ≥55dB/58.9 Battery size AA Total Harmonic ≤5% Battery capacity/Mah 2400 Wave Distortion Operation Current ≤4mA Operation current/mA 6...

Wednesday, August 22, 2018

Quantity : 80000Pcs - Price : 3-50USD

- Specification of JH-238 Pocket Body Worn Hearing Aid Hearing Amplifier - Max Sound Output 130 ± 5dB Voltage 1.5V Sound Gain ≥50dB/51.5 Battery size AA Total Harmonic ≤5% Battery capacity/Mah 2400 Wave Distortion Operation ≤4mA Operation current/mA 6.9 Current...

Wednesday, August 22, 2018

Quantity : 80000Pcs - Price : 3-50USD

- Specification of JH-909 Rechargeable ITE Hearing Aid Hearing Amplifier - Highest sound pressure level for input SSPL 90dB 126 ± 3dB Equivalent input noise level: ≤32dB Max. Output sound level gain: 35±5dB Reference Test Gain: 30±5dB Average Saturation Output(HF-Average SSPL 90)...

Wednesday, August 22, 2018

Quantity : 80000Pcs - Price : 3-50USD

- Specification of JH-905 Rechargeable ITE Hearing Aid Hearing Amplifier - Max Sound Output 125 ± 5dB Voltage 1.2V Sound Gain ≥35dB Battery size Total Harmonic ≤5% Battery capacity/Mah 40 Wave Distortion Operation ≤3mA Operation current/mA 1.2 Current Frequency...

Wednesday, August 22, 2018

Quantity : 80000Pcs - Price : 3-50USD

- Specification of JH-238 Pocket Body Worn Hearing Aid Hearing Amplifier - Product name Rechargeable ITE hearing aids sound amplifier Title of commodity/item number Rechargeable hearing aid/JH335 Color Beige/optional colors Frequency range 200Hz-7000Hz Total harmonic wave...

Wednesday, August 22, 2018

Quantity : 80000Pcs - Price : 3-50USD

- Specification of JH-907 ITE Mini Hearing Aid Hearing Amplifier - Max Sound Output 120 ± 5dB Voltage 1.5V Sound Gain ≥35dB/28 Battery size A10 Total Harmonic Wave Distortion ≤5% Battery capacity/Mah 100 Operation Current ≤6mA Operation current/mA 3.5 Frequency...

Wednesday, August 22, 2018

Quantity : 80000Pcs - Price : 3-50USD

- Specification of JH-900a ITE Hearing Aid Hearing Amplifier - Max Sound Output 130 ± 5dB Voltage 1.5V Sound Gain ≥45dB/49.4 Battery size A312 Total Harmonic Wave Distortion ≤5% Battery capacity/Mah 160 Operation Current ≤4mA Operation current/mA 1.6 Frequency...