Pen Type Pocket pH Meter ideal for school, college laboratory, personal, and aquarium use.

• Pocket pH meter Pen Type is the laboratory and analytical instruments
• Range pH 0.0 to 14.0 pH, resolution pH 0.1 pH, accuracy pH ±0.1 pH, calibration manual
• 1 point battery type or life 3 x 1.5V or approximately 150 hours
• Environment 0 to 50 degree Celsius (32 to 122 degree Fahrenheit)
• Color: Red, Response: Very Quick. aquarium specialty pH meter.