Portable TDS Tester

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HQ1140 Portable Conductivity/TDS Meter

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The HQ1140 is a single-channel portable meter designed for accurate and reliable measurement of Conductivity and Total Dissolved Solids (TDS) in both field and lab settings. Engineered for water quality professionals, it combines rugged construction with intuitive user guidance, data management tools, and flexible calibration options—making it ideal for routine or challenging environmental applications.

Included in the Package:

HQ1140 Portable EC/TDS Meter (1 channel)
User manuals
Rechargeable lithium-ion battery
USB charger with power cable

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Product Description -
Durable & Field-Ready: IP67-rated enclosure ensures resistance to water and dust—perfect for outdoor environments.

Smart User Guidance: On-screen, visual step-by-step instructions simplify operation, calibration, and troubleshooting.

Flexible Calibration Options: Choose from predefined standards (Demal, Molar, NaCl, sea water) or user-defined calibration settings.

Efficient Data Management: Stores up to 5000 data points and easily exports via USB connection to PC or storage devices.

Intellical™ Smart Sensors: Automatically recognized by the meter; store calibration history and method settings for quick and accurate measurements.

Versatile Measurement Modes: Operate in Continuous, Auto-stabilization (“press to read”), or Timed Interval modes for convenience and control.

Measurement Parameters: Conductivity, Total Dissolved Solids (TDS), Salinity

Conductivity Measurement Range: Sensor-dependent

TDS Measurement Range: 0.00 mg/L – 50.0 g/L NaCl

TDS Resolution: 0.01 mg/L – 0.1 g/L depending on range

Salinity Measurement Range: 0 – 42 ppt (‰)

Salinity Resolution: 0.01 ppt (‰)

Temperature Compensation: Automatic (for pH and conductivity)

Display: 536×336 Mono-TFT

Data Storage: 5000 data points

Enclosure Rating: IP67 (with battery compartment installed)

Dimensions: 63 × 97 × 220 mm

Weight: 519 g (meter only)

Operating Temp: 0 to 60 °C

Storage Conditions: -20 to 60 °C, max. 90% RH (non-condensing)

Power Supply: Rechargeable lithium-ion battery (18650), USB power adapter (100–240 VAC input; 5 VDC 2 A output)

Interface: Soft-touch keypad

Languages Supported: English, French, Spanish, German, Italian, Portuguese (PT & BR), Chinese (Simplified), Japanese, Korean, and more

GLP Features: Includes Date, Time, Sample ID, Operator ID, and Calibration records

Error Handling: Clear text messages for easy troubleshooting

Inputs: 1 Intellical probe input

Warranty: 12 months

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Portable TDS Tester

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