Glass Thermometers -20 to 110c Mercury - Blue
Glass Mercury Thermometer -20 to 110°C (Blue)
Reliable, medical-grade glass thermometer with a blue scale and a wide temperature range of -20°C to 110°C. Ideal for clinical, laboratory and home use, this mercury thermometer delivers stable, reproducible readings for oral, rectal, axillary and environmental measurements. Built for accuracy and durability, it’s a trusted choice for healthcare professionals and households that require long-term, reusable temperature monitoring.
Key Benefits
- Wide measuring range (-20°C to 110°C) for clinical and environmental use
- High stability and reliable mercury column for consistent readings
- Clear blue scale for easy reading and improved legibility
- Durable glass construction with precision graduation marks
- Reusable and easy to sterilize — economical for clinics and homes
Ingredients and Materials
Tempered borosilicate glass tube, pure mercury filling (meets applicable regional regulations), printed blue scale and protected tip. Medical-grade finishing ensures clear graduations and smooth bulb for consistent capillary action. Packaged with a protective plastic sleeve/case to prevent breakage during storage and transport.
How to Use
Before use, disinfect with 70% isopropyl alcohol and ensure the mercury column is below the lowest marking by gently flicking or shaking the thermometer down. For oral measurement, place under the tongue for 3 minutes with the mouth closed. For rectal use, insert gently and hold for 3 minutes. For axillary (underarm) measurement, position in the armpit and hold the arm firmly across the chest for 5 minutes. Read the temperature at eye level against the blue scale. Clean and disinfect after each use and store in its protective case.
Who It’s For
Designed for healthcare professionals, clinics, laboratories, pharmacies and informed consumers who prefer a reusable, accurate mercury glass thermometer. Suitable for clinical assessments, patient monitoring, laboratory experiments and ambient temperature checks. Not recommended where mercury-free instruments are required by local policy.
Caution & Storage
Contains elemental mercury in a sealed glass tube. Handle with care to avoid breakage. If the thermometer cracks or breaks, follow local hazardous waste and mercury spill protocols — do not vacuum or wash down drains. Keep out of reach of children. Do not use if the glass is damaged. Store in the included protective case at room temperature away from direct sunlight and extreme heat. Dispose of according to local environmental and hazardous-waste regulations. Check local laws regarding mercury devices before purchase.