Table Of Contents; Specifications - Hach Accu4 User Manual

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Specifications

Specifications are subject to change without notice.
Model 8320 turbidity sensor
Specification
Details
Operational:
Flow rate
0.19 to 26.5 LPM (0.05 to 7 GPM)
Ambient conditions
0 to 60 °C (32 to 140 °F)
Sample temperature
0 to 60 °C (32 to 140 °F)
range
Pressure range
0-3.4 bar at 20 °C (0-50 psig at 68 °F)
Pressure drop
0.0001 bar at 0.36 LPM (0.0017 psig at 0.1 GPM)
Residence time
3.8 LPM (9.5 seconds at 1 GPM)
Air venting
Integral bubble trap for 0.19 to 1.9 LPM (0.05 to
0.5 GPM) flows.
Installation of an external bubble trap and a restrictor
valve on the sensor outlet is recommended for flows
above 1.9 LPM (0.5 GPM) with air in the sample.
Refer to
Mechanical:
Light sources
Two near-infrared (880 nm wavelength) LEDs
Use an external bubble trap
on page 27.
Specification
Details
Power requirements
5 V supplied by the controller to the light sources
and detectors
Process connections
½-in. NPT female standard; adaptable to
¼-in. NPT, barb or tube fittings
Wetted materials
PVC, polycarbonate, polystyrene, PPO, nitrile and
Buna-N
Enclosure
Molded fiber-glass-reinforced polyester (flame
retardant) with four brackets for surface mounting
Dimensions (W x D x H)
285 x 172 x 400 mm (11.21 x 6.79 x 15.75 in.)
Net weight
4.5 kg (10 lb) approximately
Certifications
15 year environmental friendly use period
Specification
Details
Operational:
Display
Graphic dot matrix LCD, 128 x 64 pixels with LED
backlighting; 13 mm (½-in.) main character height;
1
3 mm (
/
8
menu screens contain up to six lines of text
Ambient conditions
Operation: -20 to 60 °C (-4 to 140 °F); 0-95% relative
humidity, non-condensing
Storage: -30 to 70 °C (-22 to 158 °F); 0-95% relative
humidity, non-condensing
Pollution degree
2
Installation category
II
Protection class
I
Altitude
2000 m (6561 ft) maximum
3
-in.) auxiliary information character height;
English 3
/
-in. or
8

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