Ohaus Photometer a-AP50MM-B Portable Water Quality Meter,Turbidity & Absorbance Measurement

Optical & Measurement Features

• Fixed Wavelengths: 365 nm, 420 nm, 455 nm, 525 nm, 560 nm, 570 nm, 630 nm
• Photometric Measuring Range: 0 Abs ~ 1 Abs
• Photometric Accuracy: ±0.005 Abs @ 1.0 Abs Nominal
• Turbidity Optical System: Nephelometric
• Turbidity Detection Limit (NTU): 1
• Turbidity Excitation Wavelength: IR LED; White
• Turbidity Measuring Range (NTU): 0 - 200
• Turbidity Reproducibility: 1 NTU
• Wavelength Accuracy: ±1.0 nm
• Wavelength Selection: Automatic

Data & Display

• Data Storage: 30,000 Groups (with Date & Time Stamp)
• Display: Backlit Graphical LCD, 160×240 pixels

Physical & Environmental

• Dimensions (L × W × H): 265 mm × 88 mm × 69 mm (10.43 in × 3.47 in × 2.72 in)
• Net Weight: 0.6 kg (1.32 lb)
• Battery Life: 6 months (typical) @ 25 readings per week
• Power: 4 AA (LR6) Batteries (Included)
• Sample Vials Compatibility: Round Ø24mm
• Source Lamp: Light Emitting Diode (LED)
• Storage Temperature Range: 18 °C - 60 °C (0 °F - 140 °F)
• Working Environment:
  • Temperature: 4 ~ 41 °C (40 ~ 106 ºF)
  • Humidity: 85% RH, non-condensing
  • Altitude: Up to 2000m

Logistics

• Country of Origin: CN
• Customs Tariff Number: 9027504050