Hach AV9000 Manual Del Usuario página 3

Table of Contents
1 Specifications on page 3
2 General information on page 4
3 Installation on page 7
Section 1 Specifications
Specifications are subject to change without notice.
1.1 Specifications—Submerged area velocity sensor
Performance will vary depending on channel size, channel shape and site conditions.
Velocity measurement
Method
Transducer type:
Typical minimum depth for
velocity
Range
Accuracy
Level measurement
Method
Accuracy (static)
Velocity-induced depth error
Level range
Allowable level
General attributes
Air intake
Operating temperature
Level compensated temperature
range
Material
Power consumption
Cable
Connector
Cable lengths available
Cable diameter
4 Operation
5 Maintenance
6 Replacement parts and accessories
Doppler ultrasonic
Twin 1 MHz piezoelectric crystals
2 cm (0.8 in.)
-1.52 to 6.10 m/s (-5 to 20 ft/s)
± 2% of reading (in water with uniform velocity profile)
Pressure transducer with stainless steel diaphragm
• ±0.16% full scale ±1.5% of reading at constant temp (±2.5 ºC)
• ±0.20% full scale ±1.75% of reading from 0 to 30 ºC (32 to 86 ºF)
• ±0.25% full scale ±2.1% of reading from 0 to 70 ºC (32 to 158 ºF)
Compensated based on flow velocity
• Standard: 0–3 m (0–10 ft)
• Extended: 0–9 m (0–30 ft)
• Standard: 10.5 m (34.5 ft)
• Extended: 31.5 m (103.5 ft)
Atmospheric pressure reference is desiccant protected
0 to 70 ºC (32 to 158 ºF)
0 to 70 ºC (32 to 158 ºF)
®
Noryl outer shell with epoxy potting within
Less than or equal to 1.2 W @ 12 VDC
Urethane sensor cable with air vent
Hard anodized, satisfies Military Spec 5015
• Standard: 9, 15, 23 and 30.5 m (30, 50, 75, 100 ft)
• Custom: 30.75 m (101 ft) to 76 m (250 ft) maximum
0.91 cm (0.36 in.)
on page 14
on page 15
on page 20
English 3