Pen Type pH Meter SK-660PH SK Sato

Pen Type pH Meter SK-660PH SK Sato

Compact, Waterproof, and Replaceable Sensor Design for Reliable pH Testing

The SK-660PH Pen Type pH Meter from SK Sato is a compact and easy-to-use instrument designed for quick and reliable pH and temperature measurements. Featuring a replaceable sensor and IPX5 waterproof rating, this meter is ideal for use in diverse environments including laboratories, agriculture, water quality monitoring, and food testing.

This model supports up to three-point calibration and offers useful features such as automatic temperature compensation, sensor sensitivity display, stability indicator, and auto power-off for efficient and accurate readings in the field or laboratory.

Product Features

• Three-point calibration: Selectable from pH 4.01, 6.86, 9.18, or 10.01 (at 25°C)

• IPX5 waterproof: Protected from water jets, can be handled with wet hands

• Replaceable sensor: Allows long-term usability by simply replacing the sensor when needed

• Auto temperature compensation: Ensures accurate pH readings despite temperature fluctuations

• Display hold function: Freeze the current reading for easy reference

• Stability indicator: Shows when the reading has stabilized

• Sensor sensitivity check: Monitors electrode performance for maintenance

• Auto power-off: Conserves battery by shutting down after a period of inactivity

Applications

• Agriculture: Ideal for measuring soil pH and nutrient solutions

• Water quality testing: Suitable for field use in lakes, rivers, aquariums, or industrial discharge

• Food and beverage: pH monitoring in production, fermentation, or quality control

• Laboratories: Useful in educational, environmental, and analytical lab settings

• Hobby and DIY testing: Suitable for hydroponics, brewing, and personal projects

Specifications

• Model Number: SK-660PH

• Measuring Range:

  • pH: 2.0 to 12.0

  • Temperature: 0.0 to 50.0°C

• Accuracy:

  • pH: ±0.3

  • Temperature: ±1.0°C

• Resolution:

  • pH: 0.1

  • Temperature: 0.1°C

• Sensor Type:

  • pH: Glass electrode (non-refillable KCl solution)

  • Temperature: Thermistor

• Waterproof Level: IPX5

• Material:

  • Body: ABS resin

  • Electrode: Glass

• Dimensions: 38 mm diameter × 171 mm length

• Weight: 82 g (including batteries)

• Power Supply: LR44 button cell × 4

• Standard Accessories:

  • Hand strap

  • 4 × LR44 button batteries

  • Instruction manual

Important Notes

• Calibration solutions are sold separately and recommended for accurate measurements

• Avoid using the sensor with organic solvents, oils, adhesives, surfactants, strong acids (pH 0–2), or strong bases (pH 12–14)

• Pure or tap water may cause unstable readings

• Immerse the sensor at least 3 cm in a separate container when measuring food or drink; do not consume the tested sample

• Handle the glass electrode with care to prevent breakage

Recommended Calibration Solutions

Standard Solutions

• pH 4.01 (500 mL) – Cat. No. 6401-10

• pH 6.86 (500 mL) – Cat. No. 6402-10

• pH 10.01 (500 mL) – Cat. No. 6403-10

• pH 9.18 (500 mL) – Cat. No. 6404-10

JCSS Certified Solutions (with certificate)

• pH 4.01 – Cat. No. 6401-00

• pH 6.86 – Cat. No. 6402-00

• pH 10.01 – Cat. No. 6403-00

• pH 9.18 – Cat. No. 6404-00

The SK-660PH Pen Type pH Meter offers a practical and accurate solution for users requiring portability, durability, and precision. Whether you’re in the lab, field, or classroom, this meter provides dependable performance with user-friendly operation.