Adwa AD100 pH Meter

The Adwa AD100 is a microprocessor-based digital pH tester engineered to deliver fast, stable, and highly reliable readings in demanding cultivation environments. Designed for growers who require precision control, this instrument ensures accurate pH monitoring of nutrient solutions, irrigation tanks, and runoff water — a critical factor in maximizing nutrient uptake in cannabis cultivation.

Maintaining proper pH levels is essential to prevent nutrient lockout, deficiencies, and reduced yields. Whether you are working in hydroponic systems, coco coir, or soil-based setups, the AD100 provides consistent and dependable performance.

Technical Specifications

- Measurement Range: -2.0 to 16.0 pH
- Resolution: 0.1 pH
- Accuracy: ±0.1 pH
- Calibration: Automatic, 1 or 2-point calibration
- Temperature Compensation: Automatic (0°C to 50°C)
- Display: Large, easy-to-read LCD screen
- Auto Shut-Off: After 8 minutes
- Low Battery Indicator: Yes
- Keypad: Splashproof with sealed push buttons
- Power Supply: 4 x 1.5V batteries

Professional Usage Recommendations

✔ Calibrate regularly (every 2 weeks in intensive use environments).

✔ Rinse the electrode with distilled water after each measurement.

✔ Always store the probe moist using storage solution.

✔ Never allow the electrode to dry out to extend sensor lifespan.

Frequently Asked Questions (FAQ)

Is this meter suitable for measuring runoff water?
Yes, it is ideal for testing both nutrient solutions and runoff in soil and coco systems.

Does it include automatic temperature compensation?
Yes, it features ATC from 0°C to 50°C for reliable readings.

Does it come with calibration solutions?
Yes, pH 7.00 and pH 4.00 sachets are included.

How often should it be calibrated?
For professional grow environments, calibration every 1–2 weeks is recommended.

Is it water resistant?
The keypad is splashproof and designed to prevent water infiltration during normal use.