VA Instruments VA1020 Pen-Type pH Meter with IP65 Protection

VA Instruments VA1020 Pen-Type pH Meter in Sri Lanka

IP65 Waterproof pH Pen with 3-Point Adjustable Calibration and Backlit LCD

The VA Instruments VA1020 Pen-Type pH Meter is a precision, pocket-sized pH instrument designed for professionals who demand 3-point calibration accuracy in a compact, IP65-rated waterproof pen-clip form factor. With a 0.01 pH resolution, Automatic Temperature Compensation across 0–70 °C, and a large backlit 4-digit LCD display, the VA1020 delivers reliable pH measurements in field, laboratory, and quality control environments throughout Sri Lanka.

Discover our complete selection of pH Meters — portable testers, pen-type instruments, and professional pH analyzers available in Sri Lanka!

Unlike basic single-point pen testers, the VA1020 features three independently adjustable calibration points (default pH 4.01, 6.86, and 9.18) for superior measurement linearity across the full pH scale. Its data-hold function, auto power-off after 15 minutes, and integrated pen clip make it practical for daily carry and rapid on-site testing workflows.

Technical Specifications

pH Range: 0.0 – 14.0 pH

pH Resolution: 0.01 pH

pH Accuracy: ±0.1 pH

Temperature Range (ATC): 0 °C – 70 °C / 32 °F – 158 °F

Temperature Resolution: 0.1 °C / 0.1 °F

Temperature Accuracy: ±0.5 °C (±1 °F)

Calibration: 3-point adjustable (1st: 1.00–5.99 pH, default 4.01; 2nd: 6.00–7.99 pH, default 6.86; 3rd: 8.00–13.00 pH, default 9.18)

ATC Range: 0 °C – 70 °C (adjustable ATC parameter: 0.0000–0.0999/°C, default 0.0033)

Display: 4-digit 7-segment LCD with backlight; sample rate 3 times/sec

Ingress Protection: IP65

Auto Power-Off: After approximately 15 minutes

Power: 2 × 1.5V AAA batteries

Dimensions: 153 (L) × 40 (W) × 42 (H) mm

Weight: Approx. 74 g (without batteries)

Key Features

3-Point Adjustable Calibration: Superior pH linearity versus single-point pen testers, covering acidic, neutral, and alkaline ranges independently

IP65 Ingress Protection: Dust-tight and water-jet resistant for robust field environments

Backlit LCD Display: Clear 4-digit readout for low-light field and indoor laboratory conditions

Extended ATC Range: 0–70 °C temperature compensation suitable for hot process water and industrial samples

Data Hold: Locks stable readings for recording without disturbing the electrode

Pen Clip: Enables secure pocket carry for mobile technicians and field sampling teams

Auto Power-Off: 15-minute inactivity shutoff to conserve battery life

Applications

Drinking water and municipal water quality testing

Industrial process water and effluent monitoring

Environmental field sampling and ecology testing

Food processing and beverage pH quality control

Pharmaceutical and laboratory pH verification

Aquaculture and hydroponic nutrient solution monitoring

Package Includes

1 × VA Instruments VA1020 Pen-Type pH Meter

2 × 1.5V AAA batteries (included)

Cloth carrying bag

User manual

For higher-throughput laboratory pH measurement with full IP67 waterproofing and a replaceable electrode, consider the HM Digital PH-200 Waterproof Professional pH/Temp Meter.

Downloads

📄 Download VA Instruments VA1020 Data Sheet