Ohaus Pen meter pH, 0.0-14.0 30073970

The Ohaus Pen meter pH model 30073970 is a portable waterproof pen pH meter designed to accurately measure pH levels in liquids ranging from 0.0 to 14.0 pH.

Key Features:

• Model: 30073970 (ST10)
• pH Measurement Range: 0.0 - 14.0 pH
• Resolution: 0.1 pH
• Accuracy: ±0.1 pH
• Display: Single-line LCD
• Automatic Shutdown: After 6 minutes of non-use
• Batteries: 4 × 1.5V AG13 micro alkaline batteries included
• Battery Life: Approximately 200 hours
• Dimensions: 183 × 45 × 35 mm (L × W × H)
• Weight: 105-110 g
• Waterproof Rating: IP67
• Operating Temperature Range: 0 to 50 °C (32 to 122 °F)
• Construction: ABS housing with protective sensor cap
• Temperature Compensation: Not available
• Calibration: Factory calibrated; no user calibration available
• Electrode: Replaceable pH electrode included
• Wrist Strap included for handling convenience

Advantages:

• Wide pH range from 0.0 to 14.0 enables versatile measurement across acidic, neutral, and alkaline solutions
• Resolution of 0.1 pH provides sufficient precision for general water analysis tasks
• IP67 waterproof design allows use in wet or rugged field environments without damage risk
• Automatic shutdown conserves battery life, extending operational time to around 200 hours
• Compact and lightweight design (about 110 g) enhances portability and ease of use in field settings
• Replaceable electrode extends meter lifetime by enabling simple sensor maintenance
• Factory calibration ensures reliable measurements without need for user calibration
• Single-button operation and wrist strap improve usability and reduce handling errors