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Find Verified So2 B4 Sulfur Dioxide Sensor So2 Sensor Suppliers, Manufacturers and Wholesalers

Apr-11-17
Supplier From Shenzhen, Guangdong, China
 
SO2-B4 Sulfur Dioxide Sensor 4-Electrode

PERFORMANCE
Sensitivity nA/ppm at 2ppm SO2 275 to 475
Response time t90 (s) from zero to 2ppm SO2 < 30
Zero current nA in zero air at 20â?? -80 to +80
Noise* ±2 standard deviations (ppb equivalent) 5
Range ppm limit of performance warranty 100
Linearity ppb error at 100ppm SO2 , linear at zero and 10ppm SO2 0 to -2
Overgas limit maximum ppm for stable response to gas pulse 200
* Tested with Alphasense ISB low noise circuit

LIFETIME
Zero drift ppb equivalent change/year in lab air < ±20
Sensitivity drift % change/year in lab air, monthly test < ±15
Operating life months until 50% original signal (24 month warranted) > 36

ENVIRONMENTAL
Sensitivity @ -20â?? (% output @ -20â??/output @ 20â??) @ 2ppm SO2 70 to 82
Sensitivity @ 50â?? (% output @ 50â??/output @ 20â??) @ 2ppm SO2 95 to 110
Zero @ -20â?? nA change from 20â?? 0 to -10
Zero @ 50â?? nA change from 20â?? 10 to 30

CROSS SENSITIVITY
Filter capacity ppm·hrs 450
H2S sensitivity % measured gas @ 5ppm H2S < 2
NO2 sensitivity % measured gas @ 5ppm NO2 < -160
Cl2 sensitivity % measured gas @ 5ppm Cl2 < -40
NO sensitivity % measured gas @ 5ppm NO < -2
CO sensitivity % measured gas @ 5ppm CO < 2
H2 sensitivity % measured gas @ 100ppm H2 < 0.5
C2H4 sensitivity % measured gas @ 100ppm C2H4 < 1
NH3 sensitivity % measured gas @ 20ppm NH3 < 0.1
CO2 sensitivity % measured gas @ 5% CO2 < 0.1

KEY SPECIFICATIONS
Temperature range â?? -30 to 50
Pressure range kPa 80 to 120
Humidity range % rh continuous (see note below) 15 to 90
Storage period months @ 3 to 20°C (stored in sealed pot) 6
Load Resistor ohm (ISB circuit is recommended) 33 to 100
Weight g < 13
Oct-18-18
Supplier From Shenzhen, Nanshan, China
 
SO2-AE Sulfur Dioxide Sensor SO2 Sensor Description
Alphasense Sulfur Dioxide gas sensors operate using proven fuel cell technology.

SO2-AE Sulfur Dioxide Sensor sizes:
20mm diameter, the industry standard size for portable gas detectors

The SO2 range provides OEMs with reliable sensors for use in a variety of applications. Strong signal levels combined with low zero current allows resolution below 1ppm and an operating range for safety applications up to 2,000ppm. The sensors are designed for use in both fixed site and portable instrumentation.

The SO2 sensors offer our electrolyte leak-free guarantee and reliable long-term detection performance. The leakproof housing is moulded with a colour coded top for ease of identification.

SO2-AE Sulfur Dioxide Sensor SO2 Sensor Specifications
* Range: 2,000ppm limit of performance warranty
* Sensitivity: 55 to 80nA/ppm in 400ppm SO2
* Response time t90: < 30s from zero to 400ppm SO2
* Resolution: < 1.5 RMS noise (ppm equivalent)
* Temperature range: -30 to 50'C
* Pressure range: 80 to 120 kPa
* Humidity range:15 to 90 % rh continuous
* Weight: < 6 g
GOLD Member
Mar-28-23
 
Our most advanced intelligent spot detectors, multi-criteria/multi-sensor devices use multiple sensors to detect various conditions in an environment sensing a wider range of fires with greater accuracy.

Features & Benefits:

Multi-Criteria/Multi-Sensor smoke detection
Unique ability to detect major elements of a fire
Highest nuisance alarm immunity
Advanced algorithms interpret and respond to multiple inputs
GOLD Member
Jan-20-23
Supplier From Dhaka, Dhaka, Bangladesh
 
Honeywell BW Solo is a easy to service single-gas detector with BLE connectivity that provides real-time visibility into the status and safety of hazardous-area workers, helping companies respond faster, more knowingly and decisively to safety incidents. The first single-gas detector with the 1 Series sensor for CO, H2S and O2

Features & Benefits:
User-friendly operation,
Easy-to-read display for multiple languages,
Lightweight convenience,
Ease of maintenance,
Serviceability,
The new 1-Series sensor for enhanced reliability,
Connected Bluetooth Low Energy (BLE) capabilities.
GOLD Member
Nov-29-20
Supplier From Saint-Paul, France
 
Gillette Fusion5 men's razor blade refills each have 5 precision blades spaced closer together (vs. Mach3) for less feel of irritation and incredible comfort. Each blade refill also has a Precision Trimmer on the back, great for edging tough areas such as under the nose and sideburns. One razor blade refill equals up to one month of shaves. These Fusion5 blade refills can be used with any Fusion5 razor handle.

Features include:

5 precision blades, helping reduce pressure per blade for a comfortable shave (vs. Mach3)
Precision Trimmer on back great for edging tough areas (nose and sideburns)
1 razor blade refill equals up to one month of shaves
Fits with any Fusion5 blade refills
15153 So2 B4 Sulfur Dioxide Sensor So2 Sensor Suppliers
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Dec-14-17
Supplier From Shenzhen, Guangdong, China
 
Dgs-so2 968-038 digital so2 sensor module description
Easily add so2 sensing to your iot application with our sulfur dioxide digital gas sensor module that provides a calibrated and temperature compensated output.

0 to 20 ppm so2 sensor with digital output.

Dgs-so2 968-038 digital so2 sensor module benefits
Low power - 1 mw 1 minute sampling
Calibrated & temp. Compensated output
Fast response < 30 seconds
Simple digital uart interface
Integrated t & rh sensors
Robust 10-year estimated lifetime
Rohs compliant
Small form factor
Uart to usb adapter provided
Lightweight (< 2 oz.)

Dgs-so2 968-038 digital so2 sensor module applications
Air purification control
Air quality monitoring
Industrial safety sensing

Dgs-so2 968-038 digital so2 sensor module measurement performance characteristics
Based on standard conditions 25 âºc, 50% rh and 1 atm
Measurement range: 0 to 20 ppm
Resolution: 50 ppb
Measurement accuracy: 15% of reading,
, measurement repeatability, : < â± 3% of reading,
T90 response time (100 ppm step), : < 30 seconds,
GOLD Member
VERIFIED
Oct-19-20
Supplier From Seoul, South Korea (Republic Of Korea)
GOLD Member
Feb-02-18
 
Commodity: Sodium Metabisulphite
Molecular formula:Na2S2O5
Molecule Weight:190.10
H.S code:28321000
CAS:7681-57-4

Product Features
Appearance : White Or Light Yellow Crystal Powder
Odour: Sulfur Dioxide
Taste : Salty
Melting Poing : 150
Specific Density1.48
Ph : 4.0-4.6
Solubility : Soluble In Water ,insoluble In Alcohol

Application:
1. For industry
Mordant of printing and dyeing; Dechlorinate of textile after bleaching;
Sulphonated agent and reducer of chemical industry and pharmacy;
Bleach of paper pulp, bamboo and timber bleach of stapk; Treatment agent of waste water; Rubber solidifying agent ;Perfume industry is served as hydrocarbon perfume aldehyde ;
The hide profession employ to do to molt dose and pliable dose and wearproof dose ,The sensitize industry is served as the developing agent reductant and the protection of fixing bath dose and so on; sewage treatment.
2.For food additive
Bleach agent (e.g.candies, cake, bamboo shoots, etc);Loose agent (e.g.bread, cracker etc);Antiseptic and germicide (e.g.fruit juice, tinned foodbrews, the cereals food is defended storage etc);Inhibitor and freshen agent (e.g.day lily, seafood, fruit and vegetable etc)

Specifications:
Na2S2O5 97% min
SO2 65% min
Fe 0.0015% max
water-Insoluble 0.01% max
As 0.0001% max
PH 4.0-4.6

Packing and Storage
Knitted bags lined polyethylene plastic bags double packaging, Weighing 25Kg/50KG/1000Kg/1200kg. Transportation-and harsh rain. Stored in a cool, ventilated, dry place.
GOLD Member
Feb-02-18
 
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
Sep-12-19
 
1. Product name: Ammonium bisulfite solution
2. Molecular formula: NH4HSO3
3. Molecular weight: 99.10
4. Physical and chemical properties: light yellow liquid, with a little sulfur dioxide odor. Relative density (70%) : 1.4.
5. Technical index:

Item Photographic grade
Appearance clear light yellow liquid
Content w/w % 68-72
pH value (stock solution 20C) 4.0-6.0
Iron (Fe) w/w % 0.001

6. Packing: 270kg plastic drum, 1.25MTS/IBC

7. Uses: in synthesizing dye intermediate, surfactant, herbicide, reducing agent in pharmaceutical industry, etc.
GOLD Member
Oct-25-23
Supplier From London, United Kingdom
 
Wholesale Abbott Freestyle Libre 2 Sensor

Contact now for more details

Serious inquiries only, please
GOLD Member
Apr-21-25

Dried Orange, A

$1 - $2 / Kilogram (FOB)
MOQ: 100  Kilograms
Sample Available
 
- Material: 100% Natural Fresh Orange
- No other preservatives, additives, non SO2.
- Moistur: 12%
- Taste softs & Sweet
- Shelf life: 12 months
- Packing: in bulk 10kgs NW carton
GOLD Member
Jun-17-22

Organic Raw Dried Ginger Slice

$3.50
MOQ: 100  Kilograms
Sample Available
 
Specifications:
100% pure natural ginger.
Process: clean, cut and dry.
Form: Slice, whole or powder.
Without SO2, no additives.
Moisture: 12% max.
Color: plump, shiny.
Shelf life: 18months.
Place of Origin: Vietnam.
GOLD Member
Apr-30-25

Dried Strawberries, A

$20 - $25 / Kilogram (FOB)
MOQ: 100  Kilograms
Sample Available
 
- Type: Natural Fresh Strawberries.
- Taste: Sour and sweet.
- Origin: Lam Dong, Vietnam.
- Method: Freeze Dry.
- No other preservatives, additives, non SO2
- Color: Red.
- Moisture (%): 8%.
- Shelf life: At least 12 months.
- Packaging: Zips 100 - 250 - 500 grams, 1 -5 kgs or per customer requirements.
GOLD Member
Apr-24-25

Frozen Taro, A

$4.04 - $6.80 / Kilogram (FOB)
MOQ: 100  Kilograms
Sample Available
 
Type: frozen taro
Taste: soft, sour and sweet.
Shelf life: at least 12 months.
Origin: Ho Chi Minh City, Vietnam.
Process: IQF
No other preservatives, additives, non SO2.
Quantity capacity: 50 tons/month. Min order quantity: 100kgs.
Packaging: in 10kgs carton, 1x20ft = 13.5mts
GOLD Member
Apr-24-25

Dried Pineapple, A

$4.04 - $6.80 / Kilogram (FOB)
MOQ: 100  
 
Type: Dried pineapple.
Taste: soft, sour and sweet.
Shelf life: at least 12 months.
Origin: Ho Chi Minh City, Vietnam.
Process: Air Dry
No other preservatives, additives, non SO2.
Quantity capacity: 50 tons/month. Min order quantity: 100kgs.
Packaging: in 10kgs carton, 1x20ft = 13.5mts
GOLD Member
Jul-27-20

Dried Cut Kumquat

$2.50 - $5
MOQ: 50  
Sample Available
 
Science name: Citrus japonica.
Color: Brown yellow.
Origin: Vietnam.
Moisture: 12% max.
Size (mm): 2x2.5, 2x4, 4x6.
100% Natural. No impurity.
No SO2, no CO2, no Additives, no Preservatives.
Quantity capacity: 50 tons/month. MOQ: 5 tons.
Packaging: in carton (PE liner), as buyer's requirement.
GOLD Member
Feb-17-22

Dried Jackfruit Chip

$2.30 - $5.50
MOQ: 1000  Kilograms
Sample Available
 
Material: 100% Natural Fresh Jackfruit
Taste: Crunchy & Sweet
Process: VF & FD
Moisture: 12% Max
Characteristic: No other preservatives, additives, non SO2
Shelf life: 12 Months.
Price: Negotiable
Payment term: T/T or L/C
GOLD Member
Mar-16-22
 
Name: Dried Soft Mango
Origin: in Viet Nam
Sugar: 1-3%
Taste: soft, sour and sweet.
Process: Air Dry, with 1-3% sugar.
No other preservatives, additives, non SO2.
Min order quantity: 1 container 20ft container
Payment term: T/T or L/C
GOLD Member
Dec-22-23
 
Moisture: 13% max
No impurities, No SO2
Type: pea flower
Color: Natural color of the product
Grade: Herbal Extract, food grade, used as tea, extract medicine
Packing: 15kg/pp bag
Shelf-life: 24 Months from production date
MOQ: 1ton
15153 So2 B4 Sulfur Dioxide Sensor So2 Sensor Suppliers
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