Digital TDS and pH Meter Pen Water Tester 0-9990ppm 0-14

Key Features

• Hold Reading Lock — A lock function holds a measurement on screen so the reading can be viewed and recorded.
• Fast Readings Display — It gives fast, accurate readings on a large LCD display that is easy to read.
• Pen-Style Handheld Body — The handheld pen shape fits in a pocket or bag, so water can be tested at any time.
• ABS Plastic Body — The body is ABS plastic, which is lightweight and durable.
• Precision Glass Probe — The probe is a precision glass bulb electrode for pH readings.

Product Specifications

• Color: White
• Material: ABS Plastic
• Measuring range (TDS): 0-9990ppm
• Measuring range (pH): 0.00~14.00
• Measurement accuracy: ± 2%
• Display: LCD Digital
• Probe type: Precision glass bulb electrode
• Voltage: 3V
• Battery: 2x LR44 (not included)
• Operating temperature: 0~60°C
• Size(LxW): About 13.8x2.3cm (5.4 × 0.9 in)

What It Is / How It Works

This handheld pen-style TDS and pH meter measures total dissolved solids and pH in water. It reads TDS from 0 to 9990ppm and pH from 0.00 to 14.00.

Who It's For / Use Cases

Pen-style TDS and pH meters suit aquarium keepers who want to check tank water, home growers who monitor hydroponic nutrient solutions, and people who test drinking water at home or on the go.

How to Use / Care

1. Insert the probe into the water you want to measure.
2. Press the lock function to hold a measurement for reading and recording.
3. Do not immerse the meter in liquid beyond the maximum immersion level of 4 cm (1.57 in).
4. Do not store the meter in high temperatures or in direct sunlight.

How to Choose

Choose a meter by the readings you need. The TDS range runs from 0 to 9990ppm and the pH range covers 0.00 to 14.00. Check that the operating temperature of 0~60°C suits where you will test. The battery is 2x LR44 and is not included.

Frequently Asked Questions

What does the meter measure?
It measures TDS in ppm from 0 to 9990ppm and pH from 0.00 to 14.00.

What is the measurement accuracy?
The measurement accuracy is ± 2%, and the probe is a precision glass bulb electrode.

What is the operating temperature?
The operating temperature is 0~60°C. Keep the meter out of high temperatures and direct sunlight when storing it.

Is a battery included?
No. The meter takes 2x LR44 batteries, which are not included.

What is TDS?
TDS stands for Total Dissolved Solids, the inorganic salts and organic matter in a liquid, including calcium, magnesium and sodium.