EN-28
a
-AP50MM
8. Technical Data
8.1. Specifications
Table 6 Meter Specifications
Photometer
a-AP50MM
Source Lamp
Light Emitting Diode (LED)
Fixed Wavelength
365nm,420nm,455nm,525nm,560nm,570nm,630n
m
Wavelength Accuracy
± 1 nm
Wavelength Selection
Automatic
Photometric Accuracy
± 0.005 Abs @0~1.0 Abs Nominal
Photometric Measuring Range 0 ~ 1.0 Abs
Turbidity Excitation
Wavelength
White and IR LED
Turbidity Optical System
Nephelometric (90° scattered light)
Turbidity Measuring Range
0 ~ 200 NTU
Turbidity Reproducibility
1 NTU
Turbidity Detection Limit
1 NTU
Sample Cell Compatibility
Round Ø24mm
；
Round Ø16 mm with adapter
Data Storage
30,000 Group with Date, Time
Display
Backlit Graphical LCD, 160×240 pixels
Power
4 AA (LR6) Batteries (Included)
Battery Life
6 months (typical) @25 readings a week
Working Environment {metric} 4 ~ 41 °C, 85%RH, non-condensing
Working Environment {imp.}
40–106 ºF, 85%RH, non-condensing
Storage Temperature
-18 ~ 60 °C (0 ~ 140°F )
Dimensions
(L x W x H) 265 × 88 × 69mm
Net Weight {imp.}
1.32 lbs (Basic unit)
Net Weight {metric}
600g (Basic unit)
Altitude:
2000m
Pollution degree:
2
Note:1.
Specifications are subject to change without notice with Ohaus’ continuous
development.
