Pen Type pH Meter SK-670PH SK Sato

Pen Type pH Meter SK-670PH SK Sato

Slender Sensor Design for Precise Measurements in Narrow Containers

The SK-670PH Pen Type pH Meter by SK Sato is a high-precision, portable instrument specially designed for accurate pH and temperature measurements in narrow-mouth containers, such as test tubes and flasks. With a compact design, automatic temperature compensation, and IPX4 splash-resistant construction, it is ideal for use in laboratory, field, industrial, and educational settings.

This pen-type meter features a 12 mm diameter sensor and a 224 mm total length, making it easy to insert into confined spaces. It also supports three-point calibration for enhanced measurement accuracy and includes functions such as display hold and automatic power-off to improve efficiency.

Product Features

• Slim 12 mm sensor: Fits easily into narrow containers such as flasks and test tubes

• Three-point calibration: Enables accurate readings using calibration points at pH 4.01, 6.86, and 10.01

• Automatic temperature compensation: Ensures accurate pH values regardless of temperature changes

• Display hold function: Freezes the current reading for convenient viewing

• Auto power-off: Conserves battery when left idle

• IPX4 waterproof rating: Splash-proof design allows safe use with wet hands

• Lightweight and ergonomic: Weighs only 63 g including batteries, ideal for field or mobile use

• Long battery life: Operates up to 400 hours on two CR2032 lithium coin cells

Applications

• Laboratory Testing: Ideal for measuring pH in analytical procedures requiring small sample volumes

• Education: Commonly used in classrooms and teaching labs for experiments and demonstrations

• Environmental Monitoring: Suitable for quick testing of pH in water sources like rivers, ponds, or drainage

• Food & Beverage: Useful in quality control processes such as fermentation or product testing

• Industrial Processes: Used in various sectors where solution pH needs to be monitored in small volumes

Specifications

• Model Number: SK-670PH

• Catalog No.: 6433-00

• Measuring Range:

  • pH: 2.00 to 12.00

  • Temperature: 0.0 to 50.0°C

• Accuracy:

  • pH: ±0.20

  • Temperature: ±1.0°C

• Resolution:

  • pH: 0.01

  • Temperature: 0.1°C

• Calibration: Three-point (pH 4.01, 6.86, 10.01)

• Sensor Type:

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

  • Temperature: Thermistor

• Operating Conditions: 0 to 50°C, less than 80% RH (non-condensing)

• Waterproof Level: IPX4 (splash-proof)

• Materials:

  • Body: ABS resin

  • Electrode: Glass

• Dimensions:

  • Main Unit: 36 mm (W) × 224 mm (H) × 20 mm (D)

  • Electrode: 12 mm diameter × 115 mm length

• Weight: 63 g (including batteries)

• Power Supply: 2 × CR2032 lithium coin cells

• Battery Life: Up to 400 hours (continuous use)

• Included Accessories:

  • Glass electrode protection bottle

  • CR2032 batteries × 2

  • Instruction manual

Calibration Solutions (Sold Separately)

Standard Solutions

• pH 4.01 – 500 mL (Catalog No. 6401-10)

• pH 6.86 – 500 mL (Catalog No. 6402-10)

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

• pH 9.18 – 500 mL (Catalog No. 6404-10)

JCSS Accredited Solutions (with certificates)

• pH 4.01 – Catalog No. 6401-00

• pH 6.86 – Catalog No. 6402-00

• pH 10.01 – Catalog No. 6403-00

• pH 9.18 – Catalog No. 6404-00

Important Notes

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

• Readings may be unstable in pure or tap water due to low ionic strength

• Immerse the sensor at least 3 cm into the solution for accurate measurement

• Do not consume test samples after measurement

The SK-670PH Pen Type pH Meter is an excellent solution for users who need accurate and easy pH measurements in confined or narrow-volume samples. Its slim design, waterproof body, and reliable features make it an essential instrument for any serious pH testing task.