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Pressure sensor
Lora real time monitor pressure sensor HPT-24市 场 价： ￥0元/个
优 惠 价： ￥0元/个
Overview：
- The LoRa wireless pressure/temperature sensor uses high-precision and highly sensitive pressure/temperature sensitive components and ultra-low power microprocessors to process the pressure/temperature signal of the tested medium into a digital signal. It can display temperature values on site and wirelessly transmit measurement data through the LoRa protocol. It has the advantages of easy installation and use, longer transmission distance, stable and reliable performance. Widely used in fluid temperature detection and control in industries such as smart firefighting, smart water, smart factories, petroleum, chemical, power, hydrology, and environmental protection. The data transmission protocol of the LORA self-organizing network series monitoring system supports both host mode and slave mode. External commands can be sent to the device through the LORA gateway to access the device, read or modify relevant detection parameters; At the same time, the equipment regularly sends detection data and other related instructions to the outside; Price: 100+ PCS, USD95/PC.
Lora real time monitor pressure sensor HPT-24
Manual for LORA self-organizing network explosion-proof pressure/temperature and liquid level sensors
I: Technical parameters
Display mode: Five digit LCD display
Test medium: liquid or gas compatible with the material
Range: Any range within -0. 1~60MPa
Accuracy level: 0. 1% FS, 0.2% FS, 0.5% FS Stability: ± 0.2% FS/year, ± 0.5% FS/year
Operating frequency: CN470MHz~510MHz
Working voltage: 3.6VDC battery
Battery capacity: 19000mAh (send data per minute, battery lifespan is 1 year; send data every 2 minutes, battery lifespan is 2 years)
Sleep current:<30uA
Sending current:<140mA
Receiving current:<15mA Protection level: IP68
Working temperature: -20~60 ℃
Working humidity: 10%~95% RH (no condensation phenomenon)
Zero temperature coefficient: ± 0. 1% FS/℃ (≤ 100kPa); ± 0.05% FS/℃ (>100kPa)
Full temperature coefficient: ± 0. 1% FS/℃ (≤ 100kPa); ± 0.05% FS/℃ (>100kPa)
Overload capacity: 300%
Service life: ＞ 9 million temperature cycles
Thread interface: M20 * 1.5, G1/2, etc
Data transmission rate: 300bps~5.4Kbps
Maximum transmission power: 25dB
Receiving sensitivity: -150dBm (SF= 12)
II : Operating instructions
Right button : Power voltage /AD value /Value modification
Long press the M key for 3 seconds to enter the menu password setting ;
NO
Symbol
Menu
Value range
Menu description
1
UN
Unit selection
MPa ;KPa ;Bar , etc.
Pressure, liquid level and other units
2
DOT
Decimal number
0~4
Up to four decimal places can be set
3
U-R
lower limit range
-19999~99999
Factory Settings, do not change
4
F-R
Maximum range
-19999~99999
Factory Settings, do not change
5
DSP
Display value switching
DSP/PRESS
Display AD value/display pressure value
6
OFF
Zero
compensation
-9.999~9.999
Negative compensation can be set for zero deviation
7
CUT
Zero remove
YES/NO
Zero small signal cut on/off ，0.5%FS Removal
8
FLTR
filter constant
1~9
Display value refresh frequency ，1 fastest
9
ADSP
Sampling interval
1~9999sec
Default 10min
10
-UP-
Upload interval
1~9999min
Default 10min
11
LGHT
Backlight time
1~99sec
Default 5s
12
DPOF
Screen time
1~9999sec
Default 0
13
BAT
Operating
voltage alarm
3.0~3.6VDC
Default 3.0VDC
14
SAVE
Save Settings
YES/NO
Modify the parameters to save the Settings, otherwise invalid
15
END
Exit menu
EXIT
Exit menu Settings
Group 2 Menu password 0002;(This set of parameters is the factory calibration Settings, non-professional personnel do not modify)
NO
Symbol
Menu
Value range
Menu description
1
SNR
Input signal selection
IIC/ADC
Sensor signal selection
2
CAL1
Zero AD value calibration
0~9999
Press M to confirm the pressure value at zero to calibrate
3
CAL2
Full AD value calibration
0~9999
When the pressure value is full, press M to confirm the calibration
4
BAT
Supply voltage calibration
3.000~3.600
When the power supply voltage is full, press M to confirm the calibration
5
SAVE
Save Settings
YES/NO
Modify the parameters to save the Settings, otherwise invalid
6
END
Exit menu
EXIT
Exit menu Settings
Group 3 Menu password 0003;
NO
Symbol
Menu
Value range
Menu description
1
AL-H
High alarm value
00.00~99.99
Default 0.5
2
AL-L
Low alarm value
00.00~99.99
Default 0.1
3
AL-A
Alarm way
HL/IN/CAPH/CAPL
Upper and lower alarm / Range alarm
4
AL-O
Alarm output mode
NO/NC
Normally open / Normally closed
5
ADLY
Display alarm sensitivity
0~9999
Display alarm delay ，Default 5
6
DDLY
Output alarm sensitivity
0~9999
Output alarm delay ，Default 5
7
NADC
Alarm sampling rate
1~120min
Alarm sampling interval ，Default 5min
8
N-UP
Alarm upload rate
1~120min
Alarm upload interval ，Default 5min
9
SAVE
Save Settings
YES/NO
Modify the parameters to save the Settings, otherwise invalid
10
END
Exit menu
EXIT
Exit menu Settings
steps:The battery compartment can be opened by rotating the back cover anticlockwise. After replacing the battery, close the back cover and turn clockwise to lock the back cover to
achieve waterproof effect;
IV. Data communication format:
F ram e
head
Total message sent
Le n g th of pr e s su r e val u
e
Pr e s
su r e
val u
e
1
。 。 。
Pr e s su r e val u e 1 0
In fo
rm at
io n
f r am
e
size
Data
pool
e ffe
ct iv
e
data
val u
me
Pr e s
su r e
val u
e
data
pool
Dot
5C
03
06
XXXX
XXXX
XXXX
XX
XX
XXXX
XX
Sensor samp
ling rate
Upload interv al
Collec tion
rate
in
alar m state
Upload rate
when
alarmi
ng
High alarm thres hold
Low
alarm thres hold
Alarm mode
Alarm NO/ NC
Sensor alarm confi rmatio
n
times
Dry
contac t
alarm confi rmatio
n
times
Wirele ss
signal streng th
Commun i
cation CRC
Check code
XXXX
XXXX
XXXX
XXXX
XXXX
XXXX
XX
XX
XX
XX
XX
XXXX
Links：Service Hotline
+86 13923792185
Website：www.micmetering.com
Address：6th Floor, Block B, Area A, Qinghu Science and Technology Park, Longhua District, Shenzhen, Guangdong Province
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+86 13923792185
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