Jual Current Meter Global Water FP111- info harga 081384449443
Flow Probe Product Description
The Flow Probe's Turbo-Prop
The Flow Probe's Digital Readout Display
The Global Water Flow Probe is a highly accurate water velocity
instrument for measuring flows in open channels and partially filled
pipes. The water velocity probe consists of a protected water turbo
prop positive displacement sensor coupled with an expandable probe
handle ending in a digital readout display. The water flow meter
incorporates true velocity averaging for the most accurate flow
measurements. The Flow Probe is ideal for storm water runoff studies,
sewer flow measurements, measuring flows in rivers and streams, and
monitoring water velocity in ditches and canals. Turbo-Prop Sensor
The Flow Probe incorporates the unique Turbo-Prop propeller sensor,
which uses the most accurate positive displacement technique available
for velocity sensing. The Turbo-Prop is designed to shed debris and is
protected inside a 2 inch diameter housing. The probe housing may be
placed directly on the bottom of a pipe or streambed for measuring low
flows down to 2 inches in depth. The flow meter propeller rotates
freely on its bearing shaft with no mechanical interconnections for
minimal friction. Magnetic material in the propeller tip passes a
pickup point in the water velocity meter handle producing electrical
impulses that are carried to the readout display by an internal cable.
The Turbo-Prop is easily removed for cleaning or replacement. NOTE:
Global Water recommends recalibrating the water velocity computer every
time the Turbo-Prob sensor is replaced. our Technical Support
department for more details.Water Velocity Computer
The water velocity computer receives an electrical signal from the
propeller, amplifies the signal, and converts the reading to feet per
second (or meters per second, depending on programming). The large LCD
screen displays average, minimum, and maximum water velocity readings.
Up to 30 sets of minimum, maximum, and average data readings can be
stored in the water velocity computer. These data points can be
reviewed on the computer screen for later analysis. The water velocity
computer has a water-resistant housing and incorporates a unique
four-button operation for changing functions and resetting the display.
The water velocity computer is powered by a non-replaceable battery
that will last approximately five years with normal use. Low battery
warnings will also display as appropriate. Flow Probe Handle
The Flow Probe handle can telescope from 3.7 feet to 6 feet in length
(FP111), 5.5 feet to 14 feet (FP211), or 2.5 feet to 5.5 feet (FP311).
The handle is constructed of anodized aluminum for light weight and long
life. The 14 foot length of the FP211, Flow Probe, allows for
measuring sewer flows from street level and measuring stream flows from
low bridges. While the 2.5 foot collapsed length of the FP311, Flow
Probe is ideal for carrying into remote flow monitoring areas. A 3-foot
(1.7-feet for the FP311) mylar coated staff gauge (graduated in
hundredths of a foot and centimeters) is attached to the lower section
of the water velocity probe for instant water depth measurements and
accurate propeller positioning. True Velocity Averaging
The Flow Probe can be used to measure the true average water velocity of
a channel's flow. As long as the turbo-prop sensor is in the water
flow, the computer will average the water velocity. One reading is
taken per second, and a continuous average water velocity is displayed.
To obtain the true average velocity the flow probe should be slowly
moved throughout the cross sectional area being measured. Once the
reading becomes steady, the true average water velocity of the cross
sectional area is obtained. This allows for highly accurate flow
measurements, which average the differences in velocities that occur
throughout a flow's cross-section and with water surges over time. The
average water velocity can be saved by pressing the SAVE button and
reviewed later.Optional Swivel Head
The Flow Probe Swivel Head option allows you to rotate the flow probe's turbo prop to + 90
degrees from it's standard position. This option lets the flow probe
take water velocity measurements in hard to measure areas such as
vertical pipes on water tanks or swimming pool drainage systems. Optional Alignment Fin
Significant errors can occur when measuring water flow other than
directly parallel to the direction of flow. The Global Water Flow Probe
Alignment Fin is designed to help orient the flow probe parallel to
flow when the end of the probe can't be seen well due to the depth or
cloudiness of the water. To use this accessory, immerse the flow probe
and rotate it back and forth until the least amount of resistance is
felt due to the water flowing past the alignment fin.
Flow Probe Specifications
Range: 0.3-19.9 FPS (0.1-6.1 MPS) Accuracy: 0.1 FPS Averaging: True digital running average. Updated once per second. Display: LCD, Glare and UV Protected Control: 4 button Datalogger: 30 sets, MIN, MAX, and AVG Features: Timer, Low battery warning Sensor Type: Protected Turbo-Prop propeller with magnetic pickup. Weight:Instrument: 2 lbs. (0.9 kg) (FP111), 3 lbs. (1.4 kg) (FP211), 2.8 lbs. (1.3 kg) (FP311) Shipping: 13 lbs. (5.9 kg) (FP111), 23 lbs. (10.4 kg) ((FP211), 19 lbs. (8.6 kg) ((FP311) Expandable Length: 3.7 to 6 ft (1.1 to 1.8 m) (FP111); 5.5 to 14 ft (1.7 to 4.6 m) (FP211); 2.5 to 5.5 ft (0.76 to 1.7 m) (FP311) Materials:Probe: PVC and anodized aluminum with stainless steel water bearing Computer: ABS/Polycarbonate housing with polyester overlay Power: Internal Lithium Battery, Approx 5 year life with typical use, Non-Replaceable Auto Shutoff: After 5 minutes of inactivity Operating Temperature: -4° to 158° F (-20° to 70° C) Storage Temperature: -22° to 176° F (-30° to 80° C) Carrying Case: The Flow Probe is shipped in a padded carrying case. Approvals: CE
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