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Find Verified Dsm501B Dust Sensor Module (Air Quality Monitor) Suppliers, Manufacturers and Wholesalers

Jun-15-17
DSM501B Dust Sensor Module (Air Quality Monitor)

Dsm501B Dust Sensor Module (Air Quality Monitor)

(1.1)
$1
MOQ: Not Specified
  Week Technology Ltd.
Supplier From Shenzhen, Nanshan, China
Supplier Of Electronic Sensors
 
Dust sensor module dsm501b description
Dust sensor module: dsm501 series detects the level of indoor airborne dust, particles, and pollen, and ideal for use in stand-alone air cleaner or iaq monitor. Pwm output of the sensor can be directly connected to î¼-com to control fan speed or ventilation and also to display the level of particles. Detectable size of particle is limited to minimum 0.7 um, and the application for smoke or fire alarm is prohibited.

Dust sensor module dsm501b type:
Dsm501a : 2mm pitch connector type (20010wr-05).
Dsm501b : 2.5mm pitch connector type (s5b-eh).

Dust sensor module dsm501b electrical characteristics:
Supply voltage: dc510%
Power consumption: 90ma
Operating temperature range: -10~ +65'c
Operating humidity range: 95%rh or less (without dew condensation)
Recommend storage condition: -20 ~ +80'c
Dimension: w59 * h45 * d20 (mm)
Detectable particle size: approx. 1um (minimum)
Detectable range of concentration: 0 - 1.4mg/m3
Output signal: pwm (pulse width modulation)
Time for stabilization: 1 minute after power turned on
Sensor characteristics: to be maintained in between the upper limit and lower limit of the standard dust sensor unit

Dust sensor module dsm501b features:
* pwm output
* easy installation
* single power supply
* compact size and lightweight

Dust sensor module dsm501b application:
* ventilator etc
* air conditioner
* air quality monitor
* air cleaner or air purifier
Jul-22-17
DSM501B Dust Sensor for Air Quality Monitor

Dsm501B Dust Sensor For Air Quality Monitor

(1.0)
$1
MOQ: Not Specified
  Week Technology Ltd.
Supplier From Shenzhen, Guangdong, China
Supplier Of Electronic Sensors
 
Dust Sensor Module DSM501B Description
Dust Sensor Module: DSM501 series detects the level of indoor airborne dust, particles, and pollen, and ideal for use in stand-alone air cleaner or IAQ monitor. PWM output of the sensor can be directly connected to μ-com to control fan speed or ventilation and also to display the level of particles. Detectable size of particle is limited to minimum 0.7 μm, and the application for smoke or fire alarm is prohibited.

Dust Sensor Module DSM501B Type:
DSM501A : 2mm pitch connector type (20010WR-05).
DSM501B : 2.5mm pitch connector type (S5B-EH).

Dust Sensor Module DSM501B Electrical characteristics:
Supply voltage: DC5V +/- 10%
Power consumption: 90mA
Operating temperature range: -10~ +65'C
Operating humidity range: 95%RH or less (without dew condensation)
Recommend storage condition: -20~ +80'C
Dimension: W59 * H45 * D20 (mm)
Detectable particle size: approx. 1um (minimum)
Detectable range of concentration: 0 ~ 1.4mg/m3
Output signal: PWM (pulse width modulation)
Time for stabilization: 1 minute after power turned on
Sensor characteristics: To be maintained in between the upper limit and lower limit of the standard dust sensor unit

Dust Sensor Module DSM501B Features:
* PWM output
* Easy installation
* Single power supply
* Compact size and lightweight

Dust Sensor Module DSM501B Application:
* Ventilator etc
* Air conditioner
* Air quality monitor
* Air cleaner or Air purifier
GOLD Member
VERIFIED
Jun-12-19
Zinc

Zinc

(5.0)
Ask for price
MOQ: Not Specified
  Simportex Limited
Supplier From Navi Mumbai, Maharashtra, India
Supplier Of Zinc
 
We offer a wide plethora of Zinc in many forms including LME registered
and non registered Special High Grade Ingots and Jumbos, cathodes,
dust, foil, granules, powder, pieces, anodize activated powder, shot,
and a mossy form.
Zinc is a bluish-white, lustrous metal. It is brittle at ambient temperatures but is
malleable at 100 to 150°C. It is a reasonable conductor of electricity, and burns in air
at high red heat with evolution of white clouds of the oxide. Plating thin layers of zinc
on to iron or steel is known as galvanizing and helps to protect the iron from corrosion.
GOLD Member
VERIFIED
Nov-02-18
(4.8)
Supplier From Semarang, Central Java, Indonesia

Snack, chips, biscuits, beverage, crackers, confectionery, food, chocolate, milk, candy, wafer, soap, shampoo, body wash, hair care, detergent, fabric care, toothpaste, conditioner, dishwashing, personal care, toiletries, household, oral care, consumer goods, diapers, hygiene, instant noodle, food, beverage, powder drink.Product sourcing, quality checking, regulatory compliance, document provision, shipping

Supplier Of Health Products   |   Beverages   |   Chips   |   Wafers   |   Hygiene Products   |   Candies   |   Chocolates   |   Toothpick, Toothbrush, Toothpaste   |   Diapers   |   Hair Conditioners   |   Snacks   |   Noodles & Pasta

Service Provider Of Buying & Sourcing Agents   |   Biscuits   |   Shampoo   |   Shipping, Air, Cargo & Railways   |   Hand Sanitizer   |   Soaps & Detergents   |   Quality Control Services
GOLD Member
Jun-13-25
Premium Quality Vietnam Air Dried Mango Slices

Premium Quality Vietnam Air Dried Mango Slices, A

(4.8)
$4 - $4.50 / Kilogram (FOB)
MOQ: 1000  Kilograms
Sample Available
  99 Gold Data Processing Trading Company Limited
Supplier From Ho Chi Minh, Viet Nam
Supplier Of Dehydrated Fruits
 
Specification: Dried
Shelf Life: 12 months
Manufacturer: 99 Gold Data
Ingredients: Mango
Place of Origin: Vietnam
Payment & Delivery Terms:
Payment: T/T (50% in advance, balance negotiable)
Delivery: Fast and reliable shipping with secure packaging
21421 Dsm501B Dust Sensor Module (Air Quality Monitor) Suppliers
Short on time? Let Dsm501B Dust Sensor Module (Air Quality Monitor) sellers contact you.
GOLD Member
Feb-26-18
Apple

Apple

(4.9)
Ask for price
MOQ: Not Specified
  Mao Lv Yuan Co., Ltd.
Supplier From Huizhou, Guangdong, China
Supplier Of Apple
 
Apple :

Apple is beauty to share, both to lose weight, but also make the skin smooth and soft. Apple is a low-calorie food, every 10 green apple 0 grams only produce 60 kcal calories; apple nutrient soluble, easy to be absorbed by the body, it is "living water," said, is conducive to dissolving sulfur elements, so that the skin lubrication soft The There are copper, iodine, manganese, zinc, potassium and other elements, the human body such as the lack of these elements, the skin will dry, easy to crack, itchy.

Vitamin C in the apple is the protective element of the cardiovascular, the health element of the heart disease.
Eat more apples than those who do not eat or eat less apples cold risk is lower So, there are scientists and physicians called the apple "all-round health fruit" or called "general practitioner". Air pollution is more serious, eat apples can improve the respiratory system and lung function, protect the lungs from the dust and dust in the air.
GOLD Member
Jan-08-18
Calcium Chloride

Calcium Chloride

(4.9)
$150
MOQ: 20  Meters
Sample Available
  Lianyungang Huaihua International Trade Co., Ltd.
Supplier From Lianyungang, Jiangsu, China
Supplier Of Chemicals & Allied Products
 
Commodity: Calcium chloride
Molecular formula CaCl2
H.S code 28272000

Product feature
Calcium chloride is an inorganic salt, which exists as solid or liquid. Solid calcium chloride is a white, crystal substance in the form of flake, granule, pellet or powder. With different crystallized water contents, it can be dihydrate or anhydrous.

Liquid calcium chloride is a colorless, clear solution. As calcium chloride has such properties as quick dissolving, exothermic ability, attracting moisture from the air and surroundings, dissolving at very low temperature,

Specifications:
Analysis Item Standard
Calcium chloride (CaCl2) 74%min,77% min,94%min
Total Chlorinated Alkali: (NaCl) 5.0%max
Magnesium Chloride(MgCl2) 0.5%max
Insoluble matter in water 0.25%max
Calcium Sulfate (CaSO4): 0.2%max
Ferric Oxide (Fe2O3) 0.025%max
Heavy Metal as Cu., Pb., Cd., Cr., Hg., As 0.005%max

Application
Mainly used in drying, melting snow for airport express and street, concrete desiccant and concreting fast, removing dust and oil industry.

Exporting Packing :Plastic woven bag with PE ,25kg/50kg/1000kgs net weight or 25kg x 40 bags into one big bag or 40 bags on a pallet with shrink-wrapped

Means of transportation :in containers or by bulk vessel with large quantity
GOLD Member
Aug-06-22
2 - Naphthol

2 - Naphthol

(4.9)
$2.30K
MOQ: Not Specified
  Lianyungang Huaihua International Trade Co., Ltd.
Supplier From Lianyungang, Jiangsu, China
Supplier Of Industrial Chemicals
 
2-Naphthol Basic information
Chemical Properties Application Preparation
Product Name: 2-Naphthol
Synonyms: c.i.37500;c.i.azoiccouplingcomponent1;c.i.developer5;Developer A;Developer AMS;Developer BN;developera;developerams
CAS: 135-19-3
MF: C10H8O
MW: 144.17
EINECS: 205-182-7
Product Categories: Fluorescent;Naphthalene;pigments;alcohol;MICROCIDIN;Color Former & Related Compounds;Developer;Functional Materials;Intermediates;Aromatic Compounds;Alphabetical;Bioactive Small Molecules;Biochemicals and Reagents;Building Blocks;C9 to C20+;Cell Biology;Chemical Synthesis;Fluorescent Indicators and Probes;Fluorescent Probes;Labels;N;Organic Building Blocks;Oxygen Compounds;Particles and Stains;pH Sensitive Probes and Indicators;Phenols;Dyestuff Intermediates;Aromatics
Mol File: 135-19-3.mol


2-Naphthol Chemical Properties
Melting point 120-122 C(lit.)
Boiling point 285-286 C(lit.)
density 1,28 g/cm3
vapor density 4.97 (vs air)
vapor pressure 10 mm Hg ( 145.5 C)
refractive index 1.5762 (estimate)
Fp 153 C
storage temp. Refrigerator
solubility methanol: soluble1g/10 mL, clear, colorless to light yellow
pka 9.51(at 25C)
form Powder, Crystals or Granules
color White
PH Range Non& uorescence (8.5) to blue & uorescence (9.5)
Water Solubility 1 g/L (20 C)
�»max 226nm, 265nm, 275nm, 286nm, 320nm, 331nm
Merck 14,6384
BRN 742134
Stability: Stable. Combustible. Dust may form explosive mixture with air. Incompatible with strong oxidizing agents, phenol.
Major Application Display device, semiconductors, photoimaging materials, inks, toner, chalk, security paper, molding materials, tin plating method, rubber, adhesive, leather, detergent, hair dyes, antimitotic drug, anticancer agent, antiinflammatory agent, treatment of acne vulgaris (pimples) and other dermal ailments (rashes, scratches, blemishes, hair loss), disorders
InChIKey JWAZRIHNYRIHIV-UHFFFAOYSA-N
CAS DataBase Reference 135-19-3(CAS DataBase Reference)
NIST Chemistry Reference 2-Naphthalenol(135-19-3)
EPA Substance Registry System 2-Naphthalenol (135-19-3)

Safety Information
Hazard Codes Xn,N
Risk Statements 20/22-50
Safety Statements 24/25-61
RIDADR UN 3077 9/PG 3
WGK Germany 2
RTECS QL2975000
F 8
Autoignition Temperature 430 C
TSCA Yes
HazardClass 9
PackingGroup III
HS Code 29071590
Hazardous Substances Data 135-19-3(Hazardous Substances Data)
Toxicity LD50 orally in Rabbit: 1960 mg/kg LD50 dermal Rabbit > 10000 mg/kg


2-Naphthol Usage And Synthesis

2-Naphthol Preparation Products And Raw materials
GOLD Member
Feb-02-18
Sodium Bisulfite

Sodium Bisulfite

(4.9)
$360
MOQ: 20  Tons (UK)
  Lianyungang Huaihua International Trade Co., Ltd.
Supplier From Lianyungang, Jiangsu, China
Supplier Of Chemicals & Allied Products
 
Commodity: Sodium Bisulfite
Molecular Formula: NaHSO3
Molecular Weight: 104.06

Properties: White monoclinic crystalline powder with sulfur dioxide odor; relative density: 1.49; very easily soluble in water; can be decomposed when heated; slightly soluble in ethanol; aqueous solution is acidic; has strong reducing property; can be oxidized in the air or loose sulfur dioxide.

Quality Standard: HG/T3492-80
Technical Indicator High-purity grade Acrylic grade Food grade Refined grade Industrial grade 1
NaHSO3 % 99.5
Insol. in water % 0.003, 0.005, 0.03, 0.04, 0.05
Chloride(Cl) % 0.003, 0.004
Iron(Fe) % 0.001 0.002 0.005
Heavy metal(Pb) 0.001
Arsenic(As) % 0.0001
Clarity test Qualified

Use: It is used in the bleaching of cotton textiles; as reducing agent in dyes, paper-making, leather, chemical synthesis; in the manufacture of pharmaceutical intermediates, developer, food bleacher, antiseptic and anti-oxidants.

Packing: In PP woven bag lined with PE bag; paper-plastic composite bag, and kraft paper bag etc.

Net wt.: 25/50/1000 kgs/bag or upon clients' request.
GOLD Member
Feb-02-18
Sodium Bicarbonate

Sodium Bicarbonate

(4.9)
$260
MOQ: 20  Tons (UK)
  Lianyungang Huaihua International Trade Co., Ltd.
Supplier From Lianyungang, Jiangsu, China
Supplier Of Chemicals & Allied Products
 
Commodity: Sodium bicarbonate
Synonym: Baking Soda; Bicarbonate of soda; Sodium acid carbonate; Monosodium carbonate; Sodium hydrogen International CHEMTREC , carbonate; Carbonic acid monosodium salt
Molecular formula:NaHCO3
Molecule Weight:84.01
H.S code:28363000
CAS:144-55-8

Characteristics: White powder or tiny crystalls, nodorousand salty, easily soluble in water,insoluble in alcohol, presenting slightly alkalinity, decomposed when heating. Decomposed slowly when exposed to moist air.



Quality Standard
Item The National Standard
The Total Alkalinity Content(NaHCO3)% 99.0, 100.5
Loss on Dring% 0.20
PH Value(10g/1) Solution, 8.6
Arsentic Content% 0.0001
Heavy Metal Content, 0.0005
Ammonium Salt pass
Clearness pass

Uses: food fermentation, feed addive, detergent ingredient, carbon dioxide foamer, pharmacy, leather, ore milling and metallurgy, detergent for wool, extinguisher and metal heat-treating, fiber and rubber industry, etc.

Packing:25kgs or 50kgs plastic woven bags lined with one layer polythene bag.
(We can meet with all your demands according with your need.)
GOLD Member
VERIFIED
May-18-21
Vanilla Beans

Vanilla Beans

(4.8)
$135 - $250
MOQ: 5  Kilograms
Sample Available
  PT Jaffarindo Internasional Indonesia
Supplier From Central Jakarta, Central Jakarta, Indonesia
Supplier Of Vanilla
 
Vanilla Beans Grade A & B
(Price includes Shipping Globally and documents needed to clear your custom.)

Our Vanilla Beans are well prepared and packed using professional chamber vacuum sealers. The entire product is placed inside of a vacuum chamber, the air is removed from the chamber, and the bag is sealed. Before export, we manually triple check the pack to ensure you received the freshest quality of natural vanilla beans
GOLD Member
VERIFIED
Jan-02-23
KF94 Color Face Mask

Kf94 Color Face Mask

(4.8)
$0.13
MOQ: 10000  Pieces
Sample Available
  HTJ International
Supplier From Seoul, South Korea (Republic Of Korea)
Supplier Of Medical Face Masks
 
Good Feeling 2D KF94 Quarantine Mask is a quality product approved by the Korean Ministry of Food and Drug Safety.
 Respiratory protection from harmful particulate matter such as yellow dust, fine dust, and infectious sources

 1. V-Fit thin face design
With thin face visual effect. The inside does not touch the lips for a comfortable fit.

2. High-specification MB filter
The Korean-made high-standard MB filter can block more than 94% of particulate harmful substances
such as sandstorms, fine dust (PM2.5), and infection sources.

3. High elastic ear straps
Use high elastic ear straps for comfortable wearing

Mask size (unopened): 13 (w) x 14.5 (h) cm
GOLD Member
VERIFIED
Oct-04-21
KF94 Face Mask

Kf94 Face Mask

(4.8)
$0.15
MOQ: 10000  Pieces
Sample Available
  HTJ International
Supplier From Seoul, South Korea (Republic Of Korea)
Supplier Of Medical Face Masks
 
EZ Well KF94 Quarantine Mask is a quality product approved by the Korean Ministry of Food and Drug Safety. In addition to this, has both FDA and CE certified

Respiratory protection from harmful particulate matter such as yellow dust, fine dust, and infectious sources

1. The three-dimensional quadruple structure certified by the Korean Ministry of Food and Drug Safety securely blocks the outside (4 Layer using a melt-blown filter)
2. A fine dust mask that is comfortable to breathe because it does not touch your mouth! Excellent breathability.
3. It adheres smoothly along the face line and prevents fogging with the nose wireframe and ear wireframe.
4. It has an Excellent Mark from DermaTest in German which did not lead to toxic-irritative intolerance reactions in patch testing carried out in accordance with international guidelines
GOLD Member
Aug-18-21
Water Hyacinth Cushion Pad

Water Hyacinth Cushion Pad

(4.8)
$10.20
MOQ: 1000  Pieces
Sample Available
  99 Gold Data Processing Trading Company Limited
Supplier From Ho Chi Minh, Viet Nam
Supplier Of Cushions & Pillows
 
Ottoman/ Cushion Pad is 100% Handwoven from natural Water hyacinth or Sea Grass material by local artisan in Vietnam with love and care. It is eco-friendly, flexible and strong. With high-quality hardware, it is more convenient and long-lasting.
Material: Water Hyacinth Size: 60x30, 50x20, 40x20 cm Feature: Anti-Static, Anti Dust Mite, Therapy, Magnetic, Flame Retardant,... Weight: >5 kg Shape: Round Use: Home, Hotel, Massage Technics: Woven
GOLD Member
Jul-22-24
Dried Soft Passion Fruit

Dried Soft Passion Fruit

(4.8)
$2.80
MOQ: 1 container 20ft  Kilograms
Sample Available
  99 Gold Data Processing Trading Company Limited
Supplier From Ho Chi Minh, Viet Nam
Supplier Of Passion Fruit
 
Vietnamese Soft Dried Passion Fruit at competitive prices and high quality.

Type: yellow and red passion fruit
Taste: soft, sour and sweet.
Shelf life: 12 months.
Origin: Ho Chi Minh
Process: Air Dry, with 3% sugar.
No other preservatives, additives, non SO2.
GOLD Member
May-19-25
Frozen Pineapple

Frozen Pineapple, A

(4.8)
$1.40 - $2.50 / Kilogram (FOB)
MOQ: 1000  Kilograms
Sample Available
  99 Gold Data Processing Trading Company Limited
Supplier From Ho Chi Minh, Viet Nam
Supplier Of Frozen Pineapple
 
Our Frozen Pineapple is sourced directly from Vietnam, renowned for its premium tropical fruits. It features a minimum Brix level of 10.0, ensuring a naturally sweet and slightly tangy flavor that is characteristic of fresh pineapple. The fruit exhibits a light yellow color, reflecting its ripeness and quality.

To maintain freshness and optimal taste, the frozen pineapple is preserved at -18�°C in air-conditioned storage facilities. We guarantee strict compliance with VietGap and phytosanitary certifications, assuring high safety and quality standards.
GOLD Member
Apr-24-25
Dried Mango

Dried Mango, A

(4.8)
$4.04 - $6.90 / Kilogram (FOB)
MOQ: 1000  Kilograms
Sample Available
  99 Gold Data Processing Trading Company Limited
Supplier From Ho Chi Minh, Viet Nam
Supplier Of Dehydrated Fruits
 
Vietnam Dried Jackfruit Slices - Premium Quality, Tender Texture
We are a Vietnam-based supplier offering high-quality dried jackfruit slices, made from fresh, carefully selected jackfruit grown in local farms.
Origin: Vietnam
Processing: Air Dried (AF)
Moisture: Max 15%
Shelf Life: 12 months
Form: Sliced
Texture: Tender, not hard
Flavor: Soft, sweet and slightly sour
Color: Natural yellow


Looking forward to connecting with you and exploring potential cooperation.
GOLD Member
Jul-22-24
Dried Soft Papaya

Dried Soft Papaya

(4.8)
$2.50
MOQ: 1 container 20ft  Kilograms
Sample Available
  99 Gold Data Processing Trading Company Limited
Supplier From Ho Chi Minh, Viet Nam
Supplier Of Dehydrated Fruits
 
Vietnamese Delicious Dried Soft Papaya at competitive prices and high quality.

Taste: soft, sour and sweet.
Shelf life: 12 months.
Origin: Ho Chi Minh
Process: Air Dry, with 3% sugar.
No other preservatives, additives, non SO2.
Packing: 500gr or 1kg/zip bag or pack in bulk 20kg/carton box
GOLD Member
Apr-24-25
Dried Mango

Dried Mango, A

(4.8)
$4.45 - $6.90 / Kilogram (FOB)
MOQ: 1000  Kilograms
Sample Available
  99 Gold Data Processing Trading Company Limited
Supplier From Ho Chi Minh, Viet Nam
Supplier Of Dehydrated Fruits
 
!! Vietnam Dried Jackfruit Slices - Premium Quality, Tender Texture !!
We are a Vietnam-based supplier offering high-quality dried jackfruit slices, made from fresh, carefully selected jackfruit grown in local farms.
Origin: Vietnam
Type: No sugar, Less Sugar(5%sugar), More Sugar(8-9%sugar)
Processing: Air Dried (AF)
Moisture: Max 15%
Shelf Life: 12 months
Form: Sliced
Texture: Tender, not hard
Flavor: Soft, sweet and slightly sour
Color: Natural yellow


Looking forward to connecting with you and exploring potential cooperation.
GOLD Member
VERIFIED
Jun-28-21
Rice

Rice

(4.8)
Ask for price
MOQ: Not Specified
  Emarc India
Supplier From Faridabad, Haryana, India
Supplier Of Rice
 
Rice is the seed of the grass species Oryza sativa or Oryza glaberrima. As a cereal grain, it is the most widely consumed staple food for a large part of the world's human population, especially in Asia.

We are processor and exporter of Rice. This is the type of rice which is used to cook different sorts of traditional rice dishes and our product is appreciated for its unmatched quality and tempting aromatic fragrance, long grain, non-sticky after cooking. It is free of foreign materials such as dust and stones and is light diet which digests easily

R64 5% broken, IR64, 5MM, parboiled/ Boiled rice, basmati rice, 1121 golden, Stella rice Basmati and non Basmati. Specification: Moisture 14%, discolored grains 1% max, damaged grain 1% max, foreign matter 1%max. Packing per MT. 50 KG S/PP BAG 40-45 KG S/PP BAG 30 KG S/PP BAG 25 KG S/PP BAG 20 KG S/ PP BAG 4X10 KG, 5X10 KG S/PP With HandleS 8X5 KG, 5X5 KG, 4X5 KG S/PP With Handle 5X5 KG Plastic Bag/ Master PP
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