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Instruction Manual Wireless tire pressure and temperature
monitoring system
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1. Product introduction…………………………………………..
Introduction(LCD display description )………….
2.Factory settings………………………………………………….…
3.Parameters setting………………………………………….…….· Pressure unit
setting....................................................................·
Temperature unit
setting............................................................·
Pressure alarm value
setting.....................................................·
Temperature alarm value
setting.............................................· Tire matching
setting...................................................................·
Interchange tire
setting...............................................................
4.Function ……………………………………………………..…............
5.Installation of external sensor……….…………………..
6.Replace external sensor battery………………………..
7.External sensor parameter……………………....……….…
8.Notice and
statement.........................................................
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ContentsU901T 出厂设置
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1.Product introduction
0101
MonitorSolar panel
USB interface
Button positions
“ - ” :Press and hold the - button to turn on or turn off.Select
function.“SET”:Press and hold the SET button to enter setting mode
or save and exit to standby after finish setting. :Selection
button.
Buttons:
“+”
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Icon and description
Matching sensor with monitor
Temperature unit(℃ or ℉）
Pressure unit(BAR or PSI)
Press and hold the - button for 3-6s to turn on.
Press and hold the - button for 3-6s to turn off.
Exchange tire location
Monitor battery display
Introduction(LCD display description)
02
Solar energy charging(Display while sunlight exposure to solar
panel )
Abnormal alarm(Alerts when tire pressure,temperature,sensor
battery is abnormal)
ON
OFF
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产品介绍2.Factory settings
03
Default Parameters：
BAR/PSI6.0BAR(87PSI)4.0BAR(58PSI)℃/℉
65℃/149℉
Pressure Unit
High PressureLow PressureTemperature UnitTemperature alarm
value
Relationship among pressure units PSI,kg/cm²,kPa and
BAR1BAR=14.503PSI 1BAR=1.0197 kg/cm2 1BAR=100kPa
Changing Parameters：
Press and hold SET for 3s to enter the factory setting
mode,There are 6 groups of settings that can be reset,as
follows:
1. Pressure unit setting
2.Temperature unit setting
3.Pressure alarm value setting
5.Tire matching setting
6.Interchange tire setting
4.Temperature alarm value setting
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3.Parameters setting
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Tire pressure alarm value settingThe tires in monitor interface
are divided into two axles as follows:
The tire numbers(01.02,03,04,05,06)represent the tire position
where the sensor is located.
First axle
Second axle
① ②
⑤
③ ④
⑥
01.Front tire of the first axle 02.Right tire of the first
axle
03.Left-inside tire of the second axle 04.Right-inside tire of
the second axle
05.Left-outside tire of the second axle 06.Right-outside tire of
the second axle
TIRE LOCATIONS
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Parameters setting
05
Pressure unit settingIn the standby interface,press and hold SET
to enter into the setting mode,press + to select to "BAR PSI"
interface ,press SET then press + or - to select
pressure unit you want. And press the SET to confirm
setting,finally press and
hold SET for 3 seconds to save the setting and exit to
standby.
Temperature unit settingIn the standby interface,press and hold
SET to enter into the setting mode,
press + to select to "℃ ℉" interface ,press SET then press + or
- to select
pressure unit you want. And press the SET to confirm
setting,finally press
and hold SET for 3 seconds to save the setting and exit to
standby.
Pressure unit setting interface
Temperature unit setting interface
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Parameters setting
06
High pressure alarm value setting of the first axleIn the
standby interface,press and hold SET to enter into the setting
mode.
Press + to select to setting interface "HI"on first axle as
below. Press SET then
press + or - to select high pressure alarm value you want. And
press SET to
confirm setting ,finally press and hold SET for 3 seconds to
save the setting
Low pressure alarm value setting of the first axleIn the standby
interface,press and hold SET to enter into the setting mode.
Press + to select to setting interface "LO"on first axle as
below.Press SET then
press + or - to select low pressure alarm value you want. And
press SET to
confirm setting ,finally press and hold SET for 3 seconds to
save the setting
and exit to standby.
High pressure alarm value setting interface of the first
axle
Low pressure alarm value setting interface of the first axle
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Parameters setting
07
High pressure alarm value setting of the second axleIn the
standby interface,press and hold SET to enter into the setting
mode.
Press + to select to setting interface "HI" on second axle as
below.Press SET
then press + or - to select high pressure alarm value you want.
And press SET
to confirm setting ,inally press and hold SET for 3 seconds to
save the setting
and exit to standby.
Low pressure alarm value setting of the second axleIn the
standby interface,press and hold SET to enter into the setting
mode.
Press + to select to setting interface "LO" on second axle as
below .Press SET
then press + or - to select low pressure alarm value you want.
And press SET
to confirm setting ,finally press and hold SET for 3 seconds to
save the setting
High pressure alarm value setting interface of the second
axle
Low pressure alarm value setting interface of the second
axle
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Parameters setting
08
High temperature alarm value settingIn the standby
interface,press and hold SET to enter into the setting mode.
Press + to select to setting interface "HI" as below.Press SET
then press + or -
to select high temperature alarm value you want. And press SET
to confirm
setting ,finally press and hold SET for 3 seconds to save the
setting
High temperature alarm value setting interface
Tire matchingIn the standby interface,press and hold SET to
enter into the setting mode.
Press + to select to setting interface " ". Press SET then press
+ or - to select
the tire position to be matched,and then install the
corresponding sensor.
【External sensor operation】 Mount the sensor to the
corresponding tire.
【Built-in sensor operation】Installl the built-in sensor and
inflate the
corresponding tire.
Tire matching operation interface
Monitor will display the corresponding value after installing
sensors,means match successfully. Finally press and hold the SET to
save and exit to standby.
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Parameters setting
09
Tire interchange setting Press and hold the SET to enter setting
mode,press + button to“ “,press
SET to start setting.After this,SET as a selection button to
select the tire you
need to exchange.Then press + and - to adjust the tire NO. to
the tire location
you want.(Press SET directly to pass if don't need to
exchange)
{Ex:01 exchange to 02.Press + from 01 to 02 then press SET to
confirm.
Finally press and hold the SET to save and exit to standby.}
Tire exchange setting interface
When you press + or - to change number 01 to be 02,it will
appear two 02 .
Press SET to confirm,the original number 02 will change to be 01
automatically,represents the exchange has successful.
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4.Function
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When tire pressure and temperature exceeding the user-defined
safety range,the corresponding parameters and fault icons on the
monitor screen will flash,accompanied by alarm sound. You can press
any button to cancel the alarm sound ,but the fault icon remains on
and flashes until all tire failures are removed.（High temperature
alarm/Low power alarm：Interface switch to pressure after alarming
8s and switch to temperature/low power alarm interface
automatically after 8s.Rrpeat the switching until fault
removed.)
For example,the alarm value setting by the user are as
follows:High pressure alarm value:87PSILow pressure alarm
value:58PSIHigh temperature alarm value:65℃
High pressure alarmWhen the pressure of the front left tire is
96PSI (exceeding user set value)the monitor will display as
below,accompanied by alarm sound.
Low pressure alarm When the pressure of front left tire is
45PSI(lower than user set value)the monitor will display as
below,accompanied by alarm sound.
!
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Function
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High temperature alarmWhen the temperature of the front left
tire is 66℃（exceeding user set value)the monitor will display as
below,accompanied by alarm sound.
Air leakage alarmWhen the sensor detects tire leakage of the
front left ,it will send the leakage data to the monitor
immediately,the monitor will display as below,accompanied by alarm
sound.
Sensor low power alarmWhen the sensor detects that the battery
power is low,the corresponding tire icon will display
LO,accompanied by alarm sound.
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5.Installation of external sensor
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1
2
Screw nuts into the valve.
Tighten the sensor
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Installation of external sensor
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3
4
Tighten the nut to hold on sensor with anticlockwise.
Use spanner to fix nut with anticlockwise.
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6.Replace external sensor battery
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1 2
Caution：sensor battery has been installed before delivery，please
don’t take down if you don’t need to replace battery.
Take out tamper gasket. Fixed into the open-wrench.
3 4Use open-wrench to screw out the sensor case.
Take it out and put a new battery into sensor.
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外置传感器更换电池说明7.External sensor parameter
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Sensor specification
Working humidity：100%
Weight：9.5g（WF） / 6g（WI）
Size（diameter*height）：23mm*15mm（WF）
18mm*13mm（WI）
Battery：WI：50mA / WF：120mA
Standby Current：1μA
Pressure testing range:0 ~ 8 BAR (0 ~ 116 PSI)
Temperature testing range：-40℃ ~ ＋85℃
Transmission frequency：FSK433.92MHZ
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8.Notice and statement
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·Product is only suitable for car series pressure range within 8
BAR.·Safety of car tyre can not be relied on products all. Driver
should periodically check the tires，make sure the tire puncture,
cut, drum kits and other injury - free.·When product warn ,car
should be stopped as soon as possible and deal with it.·Product
cannot predict sudden tire damage caused by external forces.·Don’t
operate this product while driving.·Sensor battery life associated
with mileage of the car.
