$7.99 Buy It Now or Best Offer
free,30-Day Returns

Seller Store yangmthe1
(2314) 96.8%,

Location: Beijing
Ships to: US,
Item: 203579682112

Restocking Fee:No
Return shipping will be paid by:Buyer
All returns accepted:Returns Accepted
Item must be returned within:60 Days
Refund will be given as:Money Back
CONTEC:CONTEC
MPN:69450432
Intended Use/Discipline:Biological Laboratory,Emergency Medicine
Product:Eartubes/Headset
SC21:SC21

CONTEC Traditional Stethoscope SC21 Aluminum Alloy+ PVC Early Diagnosis Machine 1. Intended use and characteristicIntended use: it is used to collect and amplify the sound inside body organs like heart, lung, arteries, vein, etc., which is applicable for use in hospital, clinic, examination institution, ambulance, home and camping rescue, etc.Contraindications: noCharacteristics:100 Hz ~ 500 Hz as the reference of the testing sound source:Outer diameter of auscultation head ≤ 35 mm, damping ≤ 30 dBOuter diameter of auscultation head > 35 mm, damping ≤ 16 dB500 Hz ~ 1000 Hz as the reference of the testing sound source:Outer diameter of auscultation head ≤ 35 mm, damping ≤ 25 dBOuter diameter of auscultation head > 35 mm, damping ≤ 20 dB2. StructureIt is composed of auscultation head, hose and earring.3. Use method1) Open the packaging to take out the device, check whether the connection among each component is well.2) Adjust the elasticity of the spring sheet to a comfortable position according to the distance of ears, pull the earring to both sides to loosen them (as Figure 1), otherwise to tighten them (as Figure 2). Figure 1 Figure 23) Wear earring and earplugs: before wearing the earring, stretch the earring outward (as Figure 3), the metal auscultation hose should be worn leaning forward, when placing the earplugs to the external auditory canals, as the shape of ears and the size of ear canals for everyone are different, the earplugs and external auditory canals should fit closely (as Figure 4), otherwise the comfort and effect of auscultation will be affected. The wrong auscultation posture is not good for auscultation, such as wearing the earring in the reverse direction (as Figure 5). Figure 3 Figure 4 Figure 54) Tap the diaphragm to hear the effect of sound. Single use stethoscope can auscultate directly; only one auscultation surface is activated when auscultating with a double use stethoscope, turn 180°of the auscultation head to adjust the required auscultation surface.4. Precaution1) Don’t place the device in environment with high temperature, low temperature, chemical solvents and oils..2) Do not expose the device into the sunlight directly for a long time.3) Do not immerse the device into any liquid, and high temperature disinfection is not permitted.4) When using, please don’t beat the device hard to avoid damaging the diaphragm (replace the accessory in time if damaged).5) Handle with care, do not fall, to avoid any damage to the device, affects the auscultation effect and appearance.6) Do not disassemble or assemble the rotating shaft by yourself, to avoid affecting the accuracy.7) Please clean the dirt in the earplugs periodically to avoid affecting the auscultation effect.8) If the accident occurs during using, please call the emergency hotline immediately and seek help from the medical professional.5. OthersReplacement of diaphragm: unscrew the clamping ring on the auscultation head to take out the old diaphragm, then place the new one into the clamping ring, after installing the clamping ring properly, please ensure that there is no obvious looseness for the diaphragm.Replacement of earplugs: unplug or unscrew the old earplugs, insert or rotate the new one properly.Maintenance method: use a soft cloth dipped alcohol to disinfect.Transport and storage environment:Temperature: – 40 ℃ ~ + 55 ℃Relative humidity: 10 % ~ 80 %Service life: 5 yearsDate of manufacture: see the packaging* The actual service life depends on daily use frequency, storage environment (temperature, humidity, etc.) and storage method, please use and store it reasonably.

Frequently Asked Questions About CONTEC Traditional Stethoscope SC21 Aluminum Alloy+ PVC Early Diagnosis Machine in My Website

highlights8.com is the best online shopping platform where you can buy CONTEC Traditional Stethoscope SC21 Aluminum Alloy+ PVC Early Diagnosis Machine from renowned brand(s). highlights8.com delivers the most unique and largest selection of products from across the world especially from the US, UK and India at best prices and the fastest delivery time.

What are the best-selling CONTEC Traditional Stethoscope SC21 Aluminum Alloy+ PVC Early Diagnosis Machine on highlights8.com?

highlights8.com helps you to shop online and delivers Tory Burch to your doorstep. The best-selling Tory Burch on highlights8.com are: NWT Tory Burch Mia in Dark Stonewash High Rise Beaded Shell Stretch Crop Jean 23 Tory Burch Womens 6 Silk Blend Pleated Sleeveless Black Feminine Tory Burch TY2031 Women’s Plastic Eyeglass Frame 3154 Yellow Tortoise 49-17 Tory Burch T Ring 50 Camellia Pink Patent Flats Size 8.5 Tory Burch York Buckle Large Tote Work Bag Blush Pink Beige Saffiano Leather Brand New Tory Burch Women’s US 5 Selby 105mm Wedge Espradille Poinsettia 74044 Tory Burch Shoulder Tote Bag Brown Leather 16”W x 10.25”H x 4”D Purse Handbag Tory Burch Snake Python Snakeskin Natalya Bag Very Good condition + cosmetic Ba Tory Burch INES Classic Single-Band Goat Leather Slide (Gardenia / White) NEW TORY BURCH Essence Of Dreams Perfume Discovery Sample Set 5 Fragrances 5 SETS Tory Burch Women’s Beige Pouch – Tory Burch Beige Toucan Raffia Pouch w keychain TORY BURCH Classic DILLAN Burgundy PATENT LEATHER Thong SANDALS Women’s 5.5 US Excellent Tory Burch Miller Natural Leopard Patent Leather Sandals 8 1/2 M W/Box tory burch FLEMING POLISHED-GRAIN SHOULDER BAG 164191 $598 New Tory Burch Black Clear Rectangular Glasses Leather Temple TY2011 50 16 135 Tory Burch TY 7201U 198887 Black/Ivory Plastic Irregular Sunglasses Grey Lens Tory Burch TY 7120 1658/73 Tortoise Plastic Square Sunglasses Frame 57-18-140 Tory Burch Miller Cloud Leather Sandal Metallic Silver W Size 8 Thong Tory Burch Cosmic Wood Eau de Parfum Spray for Women 1.7 fl oz – Wooden Brown. Tory Burch – Ella Hand-Crocheted Tote Natural, $298 TORY BURCH EVERLY DOUBLE STRAP LEATHER FLAT SANDALS IN ISLAND CHARTREUSE US 8 Tory Burch Gemini Link 6 M Royal Navy Blue/Gold Calf Hair Loafers/Flats Shoes Tory Burch Miller Mignon White Rainbow Thong Leather Sandals Size 8 1/2 Tory Burch Womens Sz 10 M Bombe Miller Slide Sandal Calf Leather Caramel Brown Tory Burch Mignon Rings Leather Sandals Women Size 8.5 White Metal Banded Tory Burch Mini Miller Womens Flat Thong Jelly Sandals Ivory, 6 TORY BURCH Bailey Suede Espadrille Wedge Sandals Green Size 10.5 TORY BURCH TY7187U 19441U Brown Tort Dk Blue Violet Mir 53 Women’s Sunglasses Tory Burch TY4008U Womens Cat Eye Designer Blue Light Glasses in Black Gold 52mm New Tory Burch Olive Gray Rectangular Oval Ombre Glasses TY2016B 980 52 15 135 New Tory Burch Size 9.5 Miller Leather Sandals Tory Burch Ella Hand Crocheted Raffia Tote NWT $348 Poppy Red Tory Burch Sandal Shoe Women 10.5M Violet T-Strap Thong Black Leather Rhinestone TORY BURCH KIRA MINI TOP HANDLE/SHOULDER BAG BRIE LEATHER LOGO KEY LOCK NWT RARE TORY BURCH Ella Classic Navy Blue Nylon Medium Shoulder Strap Tote Bag Purse TORY BURCH Block T Light Gray Silver Felt Fabric Large Tote Bag Metallic Stitch Tory Burch Womens Sandals Manon Thong Flip Natural Vachetta Leather 10M Tory Burch Robinson Perforated Handbag Satchel Luxury Brands Quality black Tory Burch Sunglasses TY7202U 1995/73 Brown Tortoise Thick Rim Asian Fit 145 Tory Burch Gladiator Sandals 5930 Womens 9US Gold TORY BURCH T-MONOGRAM CRISSCROSS ESPADRILLE SLIDE SANDAL NAVY LEATHER SZ 10 NIB Tory Burch Miller Gray Patent Leather Sandals Sz 9 1/2 9.5 M See Pics Read Desc Tory Burch Blossom Jelly Sandals Flower Floral Thong Red/Orange Size 7 NWT TORY BURCH Wedge Flip Flops 9 Black Thin Strap Sandals TORY BURCH Woman’s Sandals/ Flats Jeweled SZ 7 Tory Burch Bubble Jelly Womens Size 12 Squishy Sandals Slides Green Big Logo Tory Burch Oversized tote OS Dark Indigo Denim with Red Leather & Gold Hardware Tory Burch Miller Sandals Snake Python Polka Dot Size 7 New Tory Burch Janey 50mm Royal Tan Leather Pump TORY BURCH Sandals Women’s Size 6M Solid Rubber Black Flip Flop Gold Logo Tory Burch Patos Disk Slide Slip On Thong Flip Flops Sandals Shoes Snakeskin 8 M Auth NEW Stunning Tory Burch Double ‘T’ Logo Stud Earrings Shiny Silver Dust Bag EUC Tory Burch Metal Miller Barbados Leopard Patent Leather Sandals Sz 6 M Tory Burch Mini Miller Leather Thong Sandals Brown Vintage Vachetta Size 9M TORY BURCH Block T Light Gray Silver Felt Fabric Large Tote Bag Tory Burch Women’s 51mm Dark Tortoise Sunglasses TY7188U-172873-51 TORY BURCH THIN RUBBER FLIP FLOPS SANDALS SIZE 7M Green Blue Tory Burch T Monogram Coated Canvas Tote Size Small New with Tags Tory Burch INES Classic Single-Band Goat Leather Slide (Gardenia/White) Size 7 Tory Burch Natalya Black Shoulder Bag Hobo Handbag With Mirror 13x12x4” Tory Burch Star Slides Black Leather with Silver Stars Women’s 10 Tory Burch Bombe Miller Low Heel 55mm Sandals Triple Black Sz 7.5 NEW Tory Burch Mini Ella Bio Tote Bag with Dust Bag 145613 Juneberry TORY BURCH Marion RED Pebbled Leather Whipstitch Chain Large Tote Bag PURSE Tory Burch Thora Blue Patent Leather Thong Sandals Women’s Size 10 TORY BURCH DOUBLE T SHEARLING FUR SLIPPER SLIDE BLACK SZ US 9.5 NIB Tory Burch Miller Black Smooth Leather Sandals Sz 9 M Auth TORY BURCH – Gray Beige Leather Shoulder Bag NWT Tory Burch Emerson Leather Lanyard ID Credit Card Holder Tory Burch Handbag White Leather Gold Logo Women’s tory burch shower slide-eva sandals in Leccio, size 5, BNIB,MSRP$158 TORY BURCH T Monogram Jacquard Bell Bag Purse w/Dust Bag Tory Navy 139098 0522 ( TORY BURCH Thandie LOGO PRINT Flip Flop SANDALS in Hot Pink x Orange WOMEN’S 7 471 Tory Burch Women’s Reena Wedge Sandals Platform Shoes Sz 10M Tory Burch MILLER SANDAL Leather Sandal Zesty Lime Purple Size 9.5 (New in Box) TORY BURCH GEO BOMBE MILLER SLIDE SANDAL LIGHT CREAM/DEEP PURPLE SZ US 6.5 NIB NEW Tory Burch Two Tone Silver Gold Miller Ladies Watch TBW6209 Logo NIB Tory Burch Light Oak Leather Marion Setchel Purse Bag TORY BURCH Satin Scalloped Platform Wedge Slide Sandals In Sz 9 champagne Tory Burch Gemini Link Black Canvas Mini Bag Stripes Zipper Crossbody Bag Tory Burch Louisa Brown-Multi Snakeskin-Embossed Leather Thong Wedge Sandals 10M TORY BURCH Leigh Ambra Carnelian Sandals Size 9 Tan Pink Red Leather Logo Tory Burch McGraw Blush Leather Strap Apple Watch Band Case 38mm 40mm 41mm TORY BURCH BEIGE Gold Grosgrain BOW PLATFORM CORK ESPADRILLES Penny 7 M Slide AUTH NWT Tory Burch Mercer Small Crescent Leather Shoulder Bag In Clear Pond TORY BURCH Women’s Black Gray Flip Flops Sandals Logo Size Large Tory Burch Robinson Spazzolato Convertible Shoulder Bag.Shea Butter.Style#143122 TORY BURCH MILLER SANDAL FLIP FLOP THONG SANDALS PATENT LEATHER TAN SIZE 9 Tory Burch Ines Slide Sandals Almond Flour Size 7 TORY BURCH MILLER BICOLOR SANDAL LEATHER SWEET CORN/NEW CREAM SZ US 9 NIB Tory Burch Thea Gold Metallic Leather Bucket Bag Tori Burch Ines Flat Slide Color Tan 240 Goat Leather Style 149466 SIZE 8 USED Tory Burch Denim Ankle Wrap Espadrille Size 7 Tory Burch Black Medium Pebbled Leather Shoulder Hobo Bag w/ Dust Bg DS36 Tory Burch Patent Leather Miller Thong Slip On Sandal Malta Gray 7 Women’s TORY BURCH BROWN/GOLD LEATHER THONG SANDALS WITH STONE SIZE 7 M Tory Burch Miller Sandals Patent Leather Navy Classic Dot – Size 8 Tory Burch Paloma Platform Heeled Sandals in Size 6 !! 😍 NEW TORY BURCH TY 4008U 1791 BLACK GOLD AUTHENTIC EYEGLASSES 52-16 Tory Burch Miller Top Handle Leather Handbag Satchel with Crossbody Strap Black Mens Pullover Fleece Hoodie