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Product Description

The Labmart KERRO TDS-035 Waterproof TDS Meter is a compact digital instrument for measuring Total Dissolved Solids (TDS) in water and other compatible liquid samples. With a measurement range up to 19,990 ppm, 10 ppm resolution, temperature display and a waterproof design, it is suitable for laboratory, water-treatment, drinking-water, aquarium, hydroponic and general water-quality testing.

Product Overview

The KERRO TDS-035 is a long-range, pocket-style TDS meter designed for convenient measurement of dissolved solids in liquid samples.

The instrument provides TDS readings up to 19,990 ppm (mg/L) and also displays temperature. Its compact waterproof construction makes it convenient for routine water-quality testing in laboratories and field environments.

The meter uses automatic temperature compensation (ATC) within its specified range and features simple screw-type one-point calibration.

Key Features and Benefits

  • TDS measurement up to 19,990 ppm
  • 10 ppm resolution
  • ±2% full-scale accuracy
  • Built-in temperature measurement/display
  • Automatic temperature compensation
  • Waterproof design
  • 4-digit LCD display
  • One-point screw-type calibration
  • Compact handheld/pen-style construction
  • Battery powered
  • Supplied in a sturdy plastic box
  • Suitable for laboratory and field water testing

4. Technical Specifications

Specification Details
Product Type Waterproof Digital TDS Meter
Model TDS-035
Brand Labmart
Original Series KERRO TDS-035
TDS Measuring Range 0–19,990 ppm
Common Product Range Description 10–19,990 ppm
TDS Resolution 10 ppm
TDS Accuracy ±2% Full Scale
Temperature Range -50°C to 70°C
Temperature Resolution 0.1°C
Temperature Accuracy ±1°C
Display 4-digit LCD
Temperature Compensation Automatic, 0–50°C
Calibration 1-point, screw type
Operating Environment Humidity ≤95%
Waterproof Design Yes
Power Supply 4 × 1.5 V LR44 batteries
Dimensions 188 × 35 × 35 mm
Weight Approximately 98 g
Packaging Sturdy plastic box
Application Laboratory / water-quality testing
Country of Origin India
Warranty Not specified by the manufacturer

Range note: The product is marketed as TDS-035 (10–19,990 ppm), while the detailed specification lists the measurement range as 0–19,990 ppm. The latter has been retained in the technical table.

5. Applications

The TDS-035 can be used for:

  • Drinking-water testing
  • Water-treatment monitoring
  • Laboratory water testing
  • RO water testing
  • Purified-water monitoring
  • Aquarium water testing
  • Hydroponic water testing
  • Irrigation-water testing
  • General water-quality monitoring
  • Industrial water testing
  • Educational water-testing applications

6. Suitable For

  • Water-quality laboratories
  • RO and water-treatment service providers
  • Drinking-water testing
  • Aquaculture and aquarium applications
  • Hydroponic growers
  • Environmental testing
  • Educational laboratories
  • Research laboratories
  • Field water-testing personnel
  • Industrial quality-control departments

7. Product Benefits

  • Wide TDS range up to 19,990 ppm
  • Compact and portable
  • Waterproof design for convenient routine use
  • Built-in temperature measurement
  • Automatic temperature compensation
  • Easy one-point calibration
  • 10 ppm resolution
  • 4-digit LCD display
  • Battery-operated
  • Lightweight at approximately 98 g
  • Protective plastic box for storage and transport

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