Food & Water Thermometer
Rs. 199
MRP Rs. 299
33% OFF
Selling fast
4.6/5
Rated by 118 customers
✓ ±0.5°C NIST-traceable accuracy
✓ Stable, settled reading in 8–10 seconds
✓ One-button °C/°F unit toggle
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The right temperature changes everything. 🌡️
Ayurveda has always been specific about the temperature of what you drink and bathe in, and modern practice agrees: too hot damages, too cold shocks, and the window in between is narrower than most people assume. This thermometer takes the guesswork out of it.
Fast, accurate readings for neti water, drinking water, baths and infusions. Small enough to live in a kitchen drawer, useful enough that it will not stay there.
Food & Water Thermometer
Rs. 199
MRP Rs. 299
33% OFF
±0.5°CNIST-traceable accuracy
8–10sto a stable, settled reading
°C/°Fone-button unit toggle
Key benefits
Not warm. Not hot. Exact.
⏱️
Instant, stable reading
8–10 seconds to a settled number.
🎯
±0.5°C accuracy
NIST-traceable, not just a box claim.
🏠
One tool, whole household
Bath, formula, and warm-water routines.
🔁
°C / °F switchable
One button, any recipe or region.
💡
Backlit, easy-read display
Readable bath-side or stove-side.
🧼
Built for repeat use
Wipe-clean probe, HOLD, ice-point check.
Why it matters
Why half a degree matters.
Water temperature isn’t a smooth, proportional response — it’s a narrow band where a handful of degrees changes outcomes in minutes. A hand test can’t tell 40°C from 45°C, and that’s exactly the range where the body’s response (blood flow, sweating, comfort) shifts most per degree.
8°Cskin-temp rise → >10-fold increase in skin blood flow
40–42°Ccommonly used range for a warm foot or leg bath
±0.5°Caccuracy of a properly calibrated digital thermometer
How it works
How it actually measures heat.
Tattwas uses a thermistor probe — the standard choice for fast, accurate liquid readings close to the tip — translating a measurable physical property into a number, not a sense of “hot.”
1
Probe tip senses heat
A thermistor changes resistance predictably with temperature.
2
Signal becomes a number
Electronics translate that into a reading — measured, not guessed.
3
Checked vs a standard
Each reading traces back to a NIST-referenced calibration.
How to use
Getting an accurate reading.
🚫
01
Don’t touch the sides
Keep the tip off the walls or bottom, or you’ll read the container.
⏳
02
Wait for stability
Let it settle the full 8–10 seconds; early readings drift.
📏
03
Check in the middle
Measure mid-depth — surface and bottom differ by degrees.
🖐️
04
Re-check at point of use
Water cools in transit — test again where it touches skin.
Care
After each use. Wipe the probe dry.
Periodically. An ice-water check (0°C) confirms no drift.
Always. Avoid submerging the display housing unless fully waterproof-rated.
Backed by research
Benefits, backed by research.
| Finding | Figure |
|---|---|
| An 8°C skin-temp rise drives a more-than-10× jump in skin blood flow — a threshold, not a gradual slide (Song; Charkoudian, 2003) | >10× |
| Metabolic rate roughly doubles per 10°C, measured via oxygen uptake (Kampmann & Bröde, 2015) | Q10 ≈ 2–3 |
| Calibrated instruments hold accuracy across a working range, multi-point checked (ISO/IEC 17025) | ±0.2–0.5°C |
| Infant bath and formula water get an exact target, not “warm” (pediatric guidance) | 37–38°C |
Why choose Tattwas
The specification, and how it compares.
| Spec | Detail |
|---|---|
| Sensor type | Thermistor probe |
| Accuracy | ±0.5°C across the working range |
| Response time | Approx. 8–10 seconds to a stable reading |
| Display | Backlit LCD, °C/°F toggle, HOLD function |
| Calibration | NIST-traceable, multi-point checked |
How it compares
| Tattwas Digital | Hand / elbow test | Basic glass | |
|---|---|---|---|
| Accuracy | ±0.5°C | “Warm” or “hot” only | Often ±1–2°C |
| Speed | 8–10 seconds | Instant, not a reading | Slow to settle |
| Consistent | Yes, every time | No — subjective | Fragile, slower |
Category comparisons, not claims about specific competitor products.
Scientific evidence
The evidence, by category.
Thermoregulation physiology. Charkoudian N. (2003), Mayo Clinic Proceedings, 78(5):603–612; Song & Charkoudian on skin blood flow. Sweat-rate-to-core-temperature: Kuno (1956), Benzinger (1959); Nadel et al. on the skin-temperature modulating effect.
The Q10 temperature coefficient. Kampmann & Bröde (2015): Q10 ≈ 2.1 via oxygen uptake, 11 acclimated men; reviewed in Frontiers in Physiology (2019). Q10 = 2–3 is measured for metabolic rate — not isolated sweat-gland output.
Infant & sensitive-use water temperature. Pediatric bathing and formula-preparation guidance — commonly cited body-temperature (37–38°C) target. Developmental differences in infant thermoregulation and skin sensitivity vs adult skin.
Calibration & accuracy standards. NIST-traceable methodology, ISO/IEC 17025 practice, multi-point verification (0°C, 25°C, 50°C, 100°C). ANSI Z540 and MIL-STD-45662A; ITS-90 International Temperature Scale.
Before you rely on a reading
Target 37–38°C for infant bath water, and test before every bath.
Run a periodic ice-water check — a stirred ice-water mix should read 0°C. If it’s noticeably off, the probe may need recalibration or replacement.
Avoid submerging the display housing unless your unit is rated fully waterproof.
The Tattwas Digital Water & Food Thermometer is a measurement instrument, not a medical device. It is not intended to diagnose, treat, cure, or prevent any disease. Warm-water use recommendations describe comfort and safety ranges only.
Founder image
From our founder
“Whatever you see, touch, eat or drink… has an energy, and that energy is made from only 5 elements.”
Vishall
Founder, Tattwas
Founder, Tattwas
Good to know
FAQ
Everything you need before adding to basket.
How accurate is it, really? +
±0.5°C across its working range, checked against a NIST-referenced standard at multiple points — not a single-point factory guess.
How do I know the sensor hasn’t drifted? +
Run a periodic ice-water check: a stirred ice-water mix should read 0°C. If it’s noticeably off, the probe may need recalibration or replacement.
Is it safe for a baby’s bath water or formula? +
Yes — target 37–38°C for infant bath water and test before every bath. It’s a measurement tool, not a medical device, and doesn’t diagnose or treat anything.
Is the display waterproof? +
The probe is designed for liquid contact; avoid submerging the display housing unless your unit is rated fully waterproof.
Food & Water Thermometer ·
Rs. 199
MRP Rs. 299
33% OFF
★★★★★ 4.6/5
Ancient elements, everyday wellness
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