Model Number: AP-1 Brand Name: TLead Key Specifications/Special Features: Features:Measures total dissolved solids (TDS) and temperatureAutomatic temperature compensation (ATC)Water-resistant housingMeasurement range: 0 to 5,000ppm

Digital calibration (push button)

Auto-off function, data-hold function, and low-batteryindicator

Display: large and easy-to-read LCD screen includessimultaneous temperature reading

Factory calibrated: AquaPro is calibrated with a 342 ppm NaClsolution

Meter can be re-calibrated with digital calibration using thepush buttons, rather than a screwdriver

Includes a cap and batteries

Comes in a retail-oriented package

Specifications:

• TDS range: 0 to 5,000ppm
• Temperature range: 0 to 80°C, 32 to 176°F
• Resolution: 1ppm
• Temperature resolution: 0.1°C/F
• Accuracy: ±2%
• Calibration: digital calibration by push button
• Housing: water resistance
• Power source: 1 x 3V button cell (CR2032)
• Dimensions: 15 x 2.8 x 1.3cm (5.9 x 1.1 x .5 inches)