Hanna Instruments HI7640-58, Instruction Manual

Page: 5 / 16

5 Specifications
6. SPECIFICATIONS
Range
0.00 to 50.00 mg/L (ppm) concentration
0.0 to 500.0 % saturation
Resolution
0.01 mg/L (ppm)
0.1 % saturation
Accuracy
from 0.00 to 20.00 mg/L (ppm) 1.5 % of reading or ± 0.01 mg/L (ppm), whichever is greater
from 20.00 to 50.00 mg/L (ppm) ±5% of reading
from 0.0 to 200.0 % saturation ± 1.5 % of reading or ± 0.1 %, whichever is greater
from 200.0 to 500.0 % saturation ±5 % of reading
Calibration
One or two points at 100 % and/or 0 % or 8.26 mg/L and/or 0 mg/L
in water-saturated air or zero-oxygen solution
Single point process calibration using value entered by the user in % saturation or mg/L
Temperature
Range −5.0 to 50.0 °C (23.0 to 122.0 °F)
Resolution 0.1 °C / 0.1 °F
Accuracy ±0.3 °C / ±0.5 °F
Calibration Single point offset (controller setting)
Temperature
compensation Automatic
Temperature
source
Automatic (from probe)
Manual
Pressure
compensation Automatic
420 to 850 mmHg
Salinity
compensation Automatic
0 to 70 g/L (salinity factor set by user)
Body ABS
Sensor
Type Optical DO
Diameter Ø 17 mm (0.7”)
Insertion length 43 mm (1.7”)
Maximum
pressure
2 bar (29 psi) at 25 °C (77 °F)
Threaded
connection
3/4 ” NPT external thread (both ends)
Wetted parts
Sensor body PVDF
Smart cap material Polypropylene
Dome-shaped membrane PMMA
O-ring NBR
Temperature contact Stainless steel
Protection
rating
IP68
Cable length See zz , Series Configuration