The HM Digital COM-80 is a water-resistant TDS, EC and temperature combo meter with a large display that shows temperature at the same time. It suits gardening, pools, aquariums, drinking water and nutrient testing.

Key features

• Measures EC and TDS with simultaneous temperature display
• Four scales: EC µS and mS; TDS ppm on 0.5 (NaCl) and 0.7 (442) scales
• Automatic temperature compensation
• Digital push-button calibration
• Auto-off, data hold and low-battery indicator
• Water resistant

Technical specifications

Supplied with

Meter with protective cap and LR44 batteries (as per the listing; please confirm with Labmart).

Frequently asked questions

What are the key specifications of the COM-80?

Measuring range: EC: 0 to 9990 µS/cm (0 to 9.9 mS); TDS: 0 to 5000 ppm (0.5 scale), 0 to 8560 ppm (0.7 scale); Temperature range: 1 to 80°C / 33 to 176°F; Resolution: 1 µS/ppm; 0.1 mS; temperature 0.1°C/°F; Accuracy: ±2%; Calibration: Digital, push button; Housing: Water resistant; Power source: 3 × 1.5 V button cells (LR44); Dimensions: 153 × 32 × 18 mm; Weight: 53.9 g.

What is the COM-80 used for?

Checking EC and TDS of water for gardening, pools, aquariums, ionizers, drinking water and nutrient solutions.

Which TDS scales does it have?

0.5 (NaCl) and 0.7 (442) scales.

Is it factory calibrated?

The listing says it is calibrated with a 1413 µS solution at the factory.

Does it have temperature compensation?

Yes, automatic temperature compensation (ATC).

What is supplied with the COM-80?

Meter with protective cap and LR44 batteries (as per the listing; please confirm with Labmart).

Which brand is the COM-80?

It is supplied under the HM Digital brand by Labmart (Chemlab Equipment), India.

What is the HSN code for the COM-80?

The manufacturer catalogue lists HSN 90278030. Labmart issues a GST invoice with every order.

Can I get a GST invoice and a bulk or institutional quotation?

Yes. Labmart (Chemlab Equipment) supplies against a GST invoice and provides quotations for colleges, hospitals, pharma companies and government labs, including bulk and tender requirements. Contact us with your requirement for a formal quotation.

What is the warranty and delivery time?

Warranty terms and delivery time depend on the product and your location, and are not stated in the manufacturer catalogue. Please contact Labmart for the warranty terms and a delivery estimate before ordering.