Digital Water Tester TDS&EC with Signal Effect for Drinking Water Quality Control

BEM Aqua Digital Water Tester A1 TDS & EC with signal effect for drinking water quality control.

A1 TDS & EC portable meter is a professional instrument with multi-function, which can be used to test water TDS (the weight of total dissolved solid of water, unit is mg / l or ppm), conductivity (the ability of line current in digits, unit is us / cm) and temperature. It has high performance, pen design, fast numerical stability and accurate result.

Features:

• Hold function: the instrument will hold the measurement result when you press the "HOLD" button. After locking, press the "SHIFT" key to switch to the result of another mode.
• Automatic power off function: the instrument will turn off automatically to save battery power if you do not press any key within 5 minutes
• Automatic temperature compensation: the device has an automatic temperature compensation function
• Mode switching: when you press the "SHIFT" key, the instrument automatically switches between the following four display modes:
  *the device has a memory function - the boot mode is the mode in which it was last shut down

Maintenance:
Keep the electrode clean. Always close the electrode protection cap.
Please remove the batteries if you do not use the instrument for a long time.

Operation:
1. remove the electrode protection cap before use.
Press the ON/OFF button and immerse the meter in the solution (the solution should not go beyond the immersion line). 3.
3. after the numerical display is constant, press the "HOLD" button and remove the meter from the solution to check the result
4.Wipe the electrode after use, turn off the meter and replace the protective cap

Technical data:

• Accuracy: ± 2%
• Weight: 55 g
• Size: 154 x 30 x 14 mm

Notice:

1.Avoid heat and direct sunlight.
2.Please use standard buffer solution for calibration. Incorrect calibration would cause result errors, thus affecting the accuracy of measurement or causing the instrument not to work.
The instrument is not waterproof. Do not throw it into the solution and do not place the solution above the immersion line to prevent the PCB from shooting out.

Warranty: The warranty period for the product begins on the day of purchase.
The following situations are not covered by the warranty. Damage caused by misuse (battery leakage, water penetration into the circuit boards, etc.).