• Pin Hom Digital Yarn Moisture Meter

Pin Hom Digital Yarn Moisture Meter

Lus piav qhia luv luv:

Av kub thiab av noo sensor yog ib tug high-precision, high-sensitivity av noo noo thiab ntsuas kub ntsuas.Lub sensor siv lub hauv paus ntsiab lus ntawm electromagnetic pulse los ntsuas qhov pom tseeb dielectric tas li ntawm cov av, thiaj li tau txais cov ntsiab lus ntawm cov av noo.Nws yog ceev, raug, ruaj khov thiab txhim khu kev qha, thiab tsis cuam tshuam los ntawm cov chiv thiab hlau ions hauv av.Qhov ntsuas no tuaj yeem siv dav hauv kev ua liaj ua teb, hav zoov, geology, kev tsim kho thiab lwm yam lag luam.


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Khoom cim npe

Pin Hom Digital Xov Paj Moisture Meter,
Tuam Tshoj Moisture Meter thiab Sand Moisture Meter,

Kev ntsuas ntau av noo noo 0 ~ 100% av kub -20 ~ 50 ℃
Av ntub dej daws teeb meem 0.1%
Kev daws teeb meem kub 0.1 ℃
Av ntub dej raug ± 3%
Kub qhov tseeb ± 0.5 ℃
Fais fab mov hom DC 5 V
DC 12 V
DC 24 V
Lwm yam
Daim ntawv tso zis Tam sim no: 4 ~ 20mA
Qhov hluav taws xob: 0.5-2.5V
Qhov hluav taws xob: 0 ~ 5V
TSI RS232
RS485 ua
TTL Qib: (ntau zaus; mem tes dav)
Lwm yam
Load tsis kam Voltage hom: RL ≥1K
Hom tam sim no: RL≤250Ω
Ua haujlwm kub -50 ℃ ~ 80 ℃
txheeb ze humidity 0 txog 100%
Khoom hnyav 220g sojntsuam nrog transmitter 570g
Cov khoom siv fais fab cav 420mw

Av humidity:
Voltage hom (0 ~ 5V tso zis):
R = V / 5 × 100%
(R yog tus nqi av noo thiab V yog tus nqi hluav taws xob tso zis (V))
Hom tam sim no (4 ~ 20mA tso zis):
R = (I-4) / 16 × 100%
(R yog tus nqi av noo, Kuv yog tus nqi tam sim no (mA))

Av kub:
Voltage hom (0 ~ 5V tso zis):
T = V / 5 × 70-20
(T yog qhov ntsuas kub tus nqi (℃), V yog qhov tso zis hluav taws xob tus nqi (V), cov qauv no sib haum rau qhov ntsuas ntau -20 ~ 50 ℃)
Hom tam sim no (4 ~ 20mA)
T = (I-4) / 16 × 70 -20
(T yog qhov ntsuas kub tus nqi (℃), Kuv yog cov zis tam sim no (mA), cov qauv no sib haum rau qhov ntsuas qhov ntsuas -20 ~ 50 ℃)

1.Yog tias nruab nrog lub chaw nres tsheb huab cua uas tsim los ntawm lub tuam txhab, txuas ncaj qha rau lub sensor mus rau qhov sib txuas ntawm qhov chaw nres tsheb huab cua uas siv cov kab sensor;

2. Yog hais tias lub transmitter yog muas nyias, cov kab sib txuas ntawm lub transmitter yog:

Kab xim Tso zis teeb liab
Qhov hluav taws xob Tam sim no kev sib txuas lus
Liab Lub zog + Lub zog + Lub zog +
Dub (ntsuab) Lub zog hauv av Lub zog hauv av Lub zog hauv av
Daj Voltage teeb liab Tam sim no lub teeb liab A+/TX
Xiav     B-/RX

Transmitter voltage thiab tam sim no tso zis thaiv:

Hluav taws xob rau qhov hluav taws xob tso zis hom

Hluav taws xob rau qhov hluav taws xob tso zis hom

Hluav taws xob rau qhov tso zis hluav taws xob hom 1

Kev xaim rau hom tso zis tam sim no

Cov Qauv Dimensions

Cov Qauv Dimensions

Tus Qauv Dimensions 1

Sensor Loj

1.Hom ntawv serial
Cov ntaub ntawv 8 ntsis
Nres me ntsis 1 lossis 2
Kos Tus lej Tsis muaj
Baud tus nqi 9600 Kev sib txuas lus luv luv yog tsawg kawg 1000ms
2.Kev sib txuas lus hom ntawv
[1] Sau qhov chaw nyob
Xa: 00 10 Chaw Nyob CRC (5 bytes)
Rov qab: 00 10 CRC (4 bytes)
Nco tseg: 1. Qhov chaw nyob me ntsis ntawm qhov nyeem thiab sau qhov chaw nyob yuav tsum yog 00. 2. Chaw nyob yog 1 byte thiab qhov ntau yog 0-255.
Piv txwv li: Xa 00 10 01 BD C0
Rov qab 00 10 00 7C
[2] Nyeem ntaus ntawv chaw nyob
Xa: 00 20 CRC (4 bytes)
Rov qab: 00 20 Adress CRC (5 bytes)
Kev piav qhia: Chaw nyob yog 1 byte, qhov ntau yog 0-255
Piv txwv li: Xa 00 20 00 68
Rov qab 00 20 01 A9 C0
[3] Nyeem cov ntaub ntawv hauv lub sijhawm
Xa: Chaw Nyob 03 00 00 00 02 XX XX
Nco tseg: raws li qhia hauv qab no

Code Function txhais Nco tseg
Chaw nyob Chaw nres tsheb naj npawb (chaw nyob)  
03 Function code  
0000 Qhov chaw nyob pib  
0002 ib Nyeem cov ntsiab lus  
XX XX CRC Kos code, pem hauv ntej qis tom qab siab  

Rov qab: Chaw Nyob 03 04 XX XX XX XX YY YY
Nco tseg

Code Function txhais Nco tseg
Chaw nyob Chaw nres tsheb naj npawb (chaw nyob)  
03 Function code  
04 Nyeem unit byte  
XX XX Cov ntaub ntawv kub av (siab ua ntej, qis tom qab) Hex
XX XX Cov ntaub ntawv av humidity (siab ua ntej, qis tom qab) Hex
YY YY CRCCheck code  

Txhawm rau xam CRC code:
1.Lub preset 16-ntsis sau npe yog FFFF hauv hexadecimal (uas yog, tag nrho yog 1).Hu rau qhov no rau npe CRC rau npe.
2.XOR thawj 8-ntsis cov ntaub ntawv nrog qis me ntsis ntawm 16-ntsis CRC sau npe thiab muab qhov tshwm sim hauv CRC rau npe.
3.Hloov cov ntsiab lus ntawm cov ntawv sau npe mus rau sab xis los ntawm ib qho me me (mus rau qhov qis me), sau qhov siab tshaj me ntsis nrog 0, thiab xyuas qhov qis tshaj.
4.Yog tias qhov tseem ceeb me ntsis yog 0: rov ua kauj ruam 3 (hloov dua), yog tias qhov tseem ceeb me ntsis yog 1: CRC sau npe yog XORed nrog polynomial A001 (1010 0000 0000 0001).
5.Rov ua cov kauj ruam 3 thiab 4 txog 8 zaug rau sab xis, kom tag nrho cov ntaub ntawv 8-ntsis tau ua tiav.
6.Rov ua cov kauj ruam 2 txog 5 rau kev ua cov ntaub ntawv 8-ntsis tom ntej.
7.CRC sau npe thaum kawg tau txais yog CRC code.
8.Thaum CRC cov txiaj ntsig tau muab tso rau hauv cov ntaub ntawv, cov khoom siab thiab qis yog sib pauv, thiab qhov qis me ntsis yog thawj zaug.

Txuas lub sensor raws li cov lus qhia nyob rau hauv txoj kev xaim, tom qab ntawd ntxig cov pins ntawm lub sensor rau hauv av los ntsuas cov av noo, thiab tig lub zog thiab cov khoom siv hloov pauv kom tau txais cov av kub thiab av noo ntawm qhov ntsuas ntsuas.

1.Thov xyuas seb lub ntim puas zoo lawm thiab xyuas seb cov qauv khoom puas zoo ib yam nrog kev xaiv.
2.Tsis txhob txuas nrog lub hwj chim qhib, thiab tom qab ntawd rov pib dua tom qab kuaj xyuas cov xaim.
3.Tsis txhob arbitrarily hloov lub Cheebtsam los yog nyob ntawm tej uas tau soldered thaum cov khoom tawm hauv lub Hoobkas.
4.Lub sensor yog cov cuab yeej precision.Thov tsis txhob disassemble nws los ntawm koj tus kheej los yog kov lub nto ntawm lub sensor nrog cov khoom ntse los yog corrosive kua kom tsis txhob ua rau cov khoom puas.
5.Thov khaws daim ntawv pov thawj thiab daim ntawv pov thawj ntawm kev ua raws, thiab xa rov qab nrog cov khoom thaum kho.

1.Thaum kuaj pom cov zis, cov zaub qhia tias tus nqi yog 0 lossis tawm ntawm qhov ntau.Xyuas seb puas muaj kev cuam tshuam los ntawm cov khoom txawv teb chaws.Tus neeg sau yuav tsis tuaj yeem tau txais cov ntaub ntawv raug vim muaj teeb meem ntawm kev xaim.Thov xyuas seb cov kab hluav taws xob puas yog thiab ruaj khov;
2. Yog tias nws tsis yog cov laj thawj saum toj no, thov hu rau cov chaw tsim khoom.

No Fais fab mov Tso zis teeb liab Cov lus qhia
LF-0008-     Av kub thiab humidity sensor
 
 
5V-   5V fais fab mov
12V-   12V fais fab mov
24V-   24V fais fab mov
YV-   Lwm lub zog
  V 0-5 V
V2 0-2.5V
A1 4-20mA
W1 TSI RS232
W2 RS485 ua
TL TTL
M mem tes
X Lwm yam
Piv txwv li: LF-0008-12V-A1: Av kub thiab av noo sensor 12V fais fab mov, 4-20mA tam sim no teeb liab tso zis

Pin Hom Digital Xov Paj Moisture Meter,
Tuam Tshoj Moisture Meter thiab Sand Moisture Meter,


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