--- product_id: 51747494 title: "HM Digital COM-100 Waterproof EC/TDS/TEMP Meter" brand: "hm digital" price: "1624 kr" currency: NOK in_stock: true category: "Hm Digital" url: https://www.desertcart.no/products/51747494-hm-digital-com-100-waterproof-ec-tds-temp-meter store_origin: NO region: Norway --- # Measures EC up to 9990 µS Waterproof IP67 rating Temperature range 0-55°C HM Digital COM-100 Waterproof EC/TDS/TEMP Meter **Brand:** hm digital **Price:** 1624 kr **Availability:** ✅ In Stock ## Summary > ⚡ Stay ahead with precision—measure, calibrate, and conquer every drop! ## Quick Answers - **What is this?** HM Digital COM-100 Waterproof EC/TDS/TEMP Meter by hm digital - **How much does it cost?** 1624 kr with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.no](https://www.desertcart.no/products/51747494-hm-digital-com-100-waterproof-ec-tds-temp-meter) ## Best For - hm digital enthusiasts ## Why This Product - Trusted hm digital brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **All-in-One Versatility:** Four measurement scales and three nonlinear EC-to-TDS conversion factors tailored for diverse solutions. - • **Built to Brave the Elements:** IP67 waterproof housing ensures reliable outdoor use without worry. - • **Precision at Your Fingertips:** Accurate EC, TDS, and temperature readings with ±2% accuracy for confident decisions. - • **Instant Insights, Always Ready:** Fast 0.5-second response, large LCD with simultaneous temperature display, plus auto-off and data-hold features. - • **User-Friendly Digital Calibration:** Effortless push-button calibration means no tools, no hassle—stay perfectly tuned. ## Overview The HM Digital COM-100 is a rugged, waterproof EC/TDS/Temperature meter designed for professionals who demand accuracy and versatility. Featuring multiple measurement scales, nonlinear conversion factors, and digital calibration, it delivers fast, reliable readings in any environment. Its IP67 rating and user-centric design make it the ultimate tool for water quality monitoring, ensuring you never miss a critical data point. ## Description SPECIFICATIONS -EC Range: 0 - 9990µs; 0 - 9.99 mS -TDS Range: 0 - 8560 ppm (mg/L); 0 - 8.56 ppt -Temperature Range: 0-55 centigrade -Accuracy: +/- 2% -EC to TDS Conversion Factor: Non-linear conversions for KCl, 442TM or NaCl solutions. -Calibration: Digital calibration -Probe: Detachable platinum electrodes> -Power source: 2 x 1.5V AAA Alkaline batteries. ## Features - Measures electrical conductivity (EC), total dissolved solids (TDS), and temperature - Four scales: µS, mS, ppm, ppt (mS and ppt are new) - Three different nonlinear ECtoTDS conversion factors (KCl, 442TM, NaCl). - Waterproof housing (IP67 rating) - Measurement Range: 09990 µS; 08560 ppm; 09.99 mS; 08.56 ppt ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0045LQFTK | | Age Range Description | Adult | | Best Sellers Rank | 101,400 in Garden ( See Top 100 in Garden ) 308 in Pool & Hot Tub Testers | | Brand | HM Digital | | Colour | White/Purple | | Customer Reviews | 4.4 4.4 out of 5 stars (539) | | Display Type | Digital | | Global Trade Identification Number | 00891144000007 | | Immersion Depth | 1 Metres | | Included Components | HM Digital HMDCOM100 Waterproof EC/TDS And Amp Temperature Combo Meter | | Indoor Outdoor Usage | Outdoor | | Item Length | 8.9 Inches | | Item Weight | 120 Grams | | Manufacturer | HM Digital | | Manufacturer Part Number | COM-100 | | Model Name | HMDCOM100 | | Model Number | COM-100 | | Number of Batteries | 1 A batteries required. | | Outer Material | Plastic | | Product Care Instructions | Wipe Clean | | Resolution | 0.1 degree celsius | | Response Time | 0.5 seconds | | Reusability | Rechargeable | | Special Features | Auto-off function, data-hold function and low-battery indicator., Display: large and easy-to-read LCD screen includes simultaneous temperature reading., Factory Calibrated: The COM-100 meter is calibrated with a 1413 µS solution. The meter can be recalibrated with digital calibration using the push buttons, rather than a screwdriver. | | Specification Met | UL | | Style Name | Contemporary | | UPC | 095225177507 891144000007 | | Unit Count | 1 count | | Upper Temperature Rating | 80 Degrees Celsius | ## Product Details - **Age range (description):** Adult - **Brand:** HM Digital - **Colour:** White/Purple - **Display type:** Digital - **Included components:** HM Digital HMDCOM100 Waterproof EC/TDS And Amp Temperature Combo Meter - **Outer material:** Plastic - **Product care instructions:** Wipe Clean - **Specification met:** UL - **Unit count:** 1 count ## Images ![HM Digital COM-100 Waterproof EC/TDS/TEMP Meter - Image 1](https://m.media-amazon.com/images/I/51hfD5nFZmL.jpg) ## Available Options This product comes in different **Size** options. ## Questions & Answers **Q: What batteries does it use?** A: Power source: 3 x 1.5V button cell batteries (included) (model LR44 or equivalent) ## Frequently Bought Together - HM Digital HMDCOM100 Waterproof EC/TDS And Amp Temperature Combo Meter - HM Digital C342 TDS and EC Calibration Solution, 342 ppm (NaCl), 90 ml Volume, Transparent/Blue - HM Digital 1000ppm TDS Calibration Solution --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.no/products/51747494-hm-digital-com-100-waterproof-ec-tds-temp-meter](https://www.desertcart.no/products/51747494-hm-digital-com-100-waterproof-ec-tds-temp-meter) --- *Product available on Desertcart Norway* *Store origin: NO* *Last updated: 2026-09-23*