Portable flow meter
FM-100V5
When you purchase this portable flow
meter, you are taking a step forward in
the field of precision measurement.
This table is a computer - based
testing tool, which can be used for
many years if handled properly.
Please read this manual carefully and
keep it in an accessible place before
using.
1、overview
2、functional
functions,
FM - 100V5 portable flow rate meter
*Can be tested in sewage
* High degree of automation, stable
(hereinafter referred to as portable
environment
and reliable,
flow meter) is designed for
*Simple structure, light and
* In line with the national high
hydrological stations, factories and
convenient,
temperature rotary slurry, is a new
mines, environmental protection
* Power consumption, complete
type of portable velocity
monitoring station, farmland
functions,
measurement instrument.
irrigation and drainage,
* High degree of automation, stable
3、Technical parameters
hydrogeology survey and other
and reliable,
departments in the field of velocity of
* In line with the national high
flow in open channel flow
temperature rotary slurry, is a new
The flow meter is equipped with Hall
type of portable velocity
velocity rotation sensor, which can
measurement instrument.
KN
formula:V = ------- + C(m/s) (automatic
T
computer)
Iinstrument：K:0.0500、C0.0100
Speed range: FM-100V5 (0.01-5.00
m/s)
measure the polluted water flow
Current measurement error :≤1. 5%
External power supply: 5V
LCD: LIQUID crystal display
4-1: sensor cable
6-1: date
When measuring flow velocity, the
Measurement method: pole
4-2: display screen
6-2: battery voltage
flow velocity of rotary rotor is driven
positioning measurement.
4-3: the key
6-3: blade hydraulic pitch
by water power
Temperature range: -10 ° C-50° C
4-4: On/off button
6-4: Automatic test interval time
Instrument rotation, built-in signal
4-5: Right/Start and Stop keys
6-4-1: V= Display flow rate
4-6: Menu keys
6-5: Automatic measuring time
4-7: Screw rod
6-6:0=self-action
Power :4 * 7 batteries
Backlight: LED backlight
Host size: 75mm*135mm*25mm
4、Instruments that
4-1
5、 accessories
Standard: speedometer, probe rod
6-6-1: N- Shock pulse number
paddle, signal line, package
6-7: Instantaneous flow
Packing boxes and instructions
7、test principle
The instrument is based on the
Optional:extension rod
principle of velocity area method of
6、Panel description
4-2
6-1
4-3
4-4
1 = manual operation
4-5
4-6
6-3
6-5
6-7
4-7
2020-05-25
open channel flow measurement
4.4V
K=.0500 0V=0.000
T=010.0 1N0000.0
Q=000000.000m3/h
6-2
6-4
6-4-1
6-6
6-6-1
Design, the flow rate can be
measured Q=V ● S(S is broken
Surface area)
1. Flow velocity measurement:
device to generate revolution signal,
By the following formula
Calculated flow rate:
KN
V = ------- + C(m/s)
T
Formula: V: Average flow velocity in
flow measurement period (m/s)
K: blade hydraulic pitch C: current
meter constant
T: flow measurement duration (unit:
S) N: T period
The signal number
When the instrument is used, K, C are
key to enter Setting 1, and modify the
In the display screen, input K and C
constant, flow measurement
display screen by right move and up
coefficients according to the
As long as T and N are measured, the
move. For example, if C is 0.0100,
parameters of the specification
flow rate can be calculated.
move the cursor to C=.0000 and press
Input :T indicates the measurement
2. Flow calculation:
Press the move up key, add 1 for each
time unit of automatic measurement
Flow measurement According to the
press, and press it repeatedly until
in seconds
flow rate area method of open
the value of the number at which the
8-1.2 Press the menu key to enter
On the LCD, 0 indicates automatic
channel flow measurement, the flow
cursor is located is consistent with the
Setting 2
measurement, and 0 indicates
rate is measured first and then
required value, that is, C=0. 0100. The
se t2
voluntarily 1
delayed 1
fracture surface- 00.000 m2
automatic measurement. If manual
multiplied by the area of the fault
method of modifying K value and
s et 1
8、operation instructions
measuring time T is the same as
8-1 Parameter setting operations:
above: first press the right shift key to
8-1.1 Parameter setting 1: Check
shift, then press the up shift key to
s c r e w pi tch- k=.0050
c o n s t ant- c=0.0100
l a s t - t= 010.0
s
whether the display screen is
add, until it is correct. Repeat the
If automatic measurement, the
consistent with the current meter
above operation if you press the
instrument will automatically repeat
parameters. If not, press the MENU
wrong button.
the measurement times (interval time
Quantity, when the need to measure
The measurement data
remain displayed until the end of the next
the output according to the section
After setting parameters correctly,
measurement. If manual measurement,
measurement, the V value on the display
after each measurement, after reading
is the last flow rate value for easy
the number, press the start and stop
reference and recording.
area: the unit is square meters can be press "Move right keyboard + Move
set after the flow of the cross-
up" at the same time to save
sectional area, the formula Q=V ● S (S parameters and return to the
measurement state; Enter the
is the section
Area)
s e t3
CIRCLE 01
PULSE 02
LANGUAGE- Chinese
processing automatic measurement.
repeat the above process, In this
9、instrument maintenance
After each use, rinse the current meter
and rod with water, dry them with towel
and store them.
display timing starts to time T, N began to
count, when time T arrived at the set time,
measurement, after each
to receive a signal, the instrument
battery. Alkaline battery is recommended.
measurement, the instrument will
automatically shut down T, N, and
2. Do not mix old and new batteries,
automatically calculate the flow rate
automatically calculate the velocity V, to
different brands of batteries;
display 1V= 0.000m /S. After fixed
automatic measurement will be
day
first signal coming, visible from the
3 seconds after the start of
shown in the figure: If automatic
display for 3-5 seconds, the
date：2020-05-25
time： - 12：00:00
Reset clock:
measurement. Measurement, when the
symbol to 1. Measurement interface,
measurement state, the display is as
value according to the male and
s e t4
button once, you can carry out the next
measurement is required, set this
repeated, but the flow rate value will
10、Matters needing attention
1. Pay attention to the polarity of the
show delay 3-5 seconds, the instrument
3. If the meter is not applicable within 7
automatically start next time flow, repeat
days, take out the battery to avoid battery
the above process, In this measurement,
discharge and liquid leakage.
the V value on the display is the last flow
4. Battery leakage damages the
rate value for easy reference and
recording.
instrument, which is not covered by
warranty;
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