SERIA M - Czujniki miniaturowe
  • SERIA M - Czujniki miniaturowe

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SERIA M - Czujniki miniaturowe

Humidity/-temperature compact sensors with cable or plug-in connection

These sensors are especially adapted to the requirements of measurement tasks which only have limited space available. They are suitable for measuring the relative humidity and temperature in air and other non-aggressive gases. Using the sensors for outdoor applications is not recommended.
The sensors are based on our miniature sensors in the calHT series (product info B1.10). They are fitted with a filter and a 4-pin plug (MCK...4S0) or with a permanently connected 1.5 m long cable (MC(P)K...1Kn). Suitable cables for the model MCK...4S0 can be supplied in different lengths as an option.
The sensors feature high long-term stability, small hysteresis and good dynamic performance.

Technical Data:

Relative Humidity
measuring range 0 … 100% rh
resolution 0,5% rh
accuracy ±2,5% rh (10 … 40 oC, 10 … 90% rh) ±1 digit
other range ........... ±5% rh ±1 digit
influence of temp. ±0.1% rh/K for < 10 °C and > 40 °C
Temperature
measuring ranges -40oC - 100oC colour code
resolution 0.125˚C
accuracy ±0,5 K dla 23oC ± 1 cyfra (details see diagramm)
General
operating voltage 5 … 30V DC
output signal :
MC(P)K1 2 x 0 … 1V (dla RL ≥ 100kΩ)
MC(P)K6 digital (similar I2C)
storage temperature -40 … 85oC
working temperature -40 … 85oC
working temperature (with permanent cable) -20 … 70˚C
power consumption < 250 μA
degree of protection
sensor with PTFE filter ZE05 IP40/IP64 (wersje z przewodem)
sensor with protective basket ZE07 IP00
sensor with protective basket ZE08 IP30
Maximum cable lengths:
MC(P)K1 5m dla RL ≥ 100kΩ1)
MC(P)K6 0,5m at a clock rate 100kHz1)
1) longer cables possible depending on the load or clock rate

 

series
compact sensors
M
design
with tube extension
P
direct connection plug or cable
C
phys. output
rel.humidity and temperature
K
output signal
0..1 V
1
I2C
6
special edition
none
00
seal for increased requirements
0S
measuring range H
0...100 % rh
F1
measuring range T
-30...70 °C
37
-20...80 °C
28
0...100 °C
01
-40...60 °C
46
-40...85 oC (I2C)
48
operating voltage
5...30 VDC
5
filter
PTFE filter ZE05
05
open ZE07 (standard)
07
with membrane ZE08
08
type of connection
4-pin plug
4S0
permanent cable 0.5 m
0K(n)
permanent cable 1.5 m
1K(n)
special lengths of cable in m
yy(n)
other specialities of design
Xyy

n: additional tube extension depending on sensor type and special design
(n) = 0: no tube extension
(n) = 1: total length sensor 53 mm
(n) = 4: total length sensor 95 m

User instructions


Install the sensors at a place in the room where characteristic levels of humidity occur. Avoid installing them close to heaters or windows or against outside walls.
In general, the sensors are maintenance-free. If the PTFE filter is contaminated with dust, grease and oils, this can have a negative impact on the dynamic behaviour. In this case the sensor head of the plug version needs to be disconnected from the cable and to be cleaned by blowing or carefully rinsing off with distilled water. After removing the filter, make sure that the sensitive sensor surface is not touched, as this can lead to irreparable damage. An exact measured value can only be attained again after being completely dried; this also applies to condensation.
Please consult „application instructions for the sensing elements“ (product info sheet no. A 1) for further information

 

Diagram

 

Working range humidity
Temperature accuracy of the sensors
/files/en/katalog/2012/Automatyka/Czujniki-Przetworniki/Czujniki_wilgotnosci_i_temperatury/wykres_pracy_czujnika.jpg /files/en/katalog/2012/Automatyka/Czujniki-Przetworniki/Czujniki_wilgotnosci_i_temperatury/wykres_pracy_czujnika_2.jpg

Dimensions:

/files/en/katalog/2012/Automatyka/Czujniki-Przetworniki/Czujniki_wilgotnosci_i_temperatury/wym_mck_4s0.jpg /files/en/katalog/2012/Automatyka/Czujniki-Przetworniki/Czujniki_wilgotnosci_i_temperatury/wym_mck1k0.jpg

 

order designation cable with jack:

Colour code for output range and characteristics

Configurations of cable versions

measuring
range
[oC]
Colour code
]0... 100
Zielony
-20... 80
Red
-30...70
black (without)
-40... 60
Yellow
-40... 85
White
additional: seal for increased
requirements
blue
Variable
Pin
Pin configuration
analogue
Pin configuration
digital
conductor colour
UB +
1
5...30VDC
+ UB
green (red)
UB -(GND)
2
GND
GND
brown (brown)
Humidity
3
0… 100% rh
SDA
white (black)
Temperature
4
1)
SCL
yellow (orange)

1) depending on sensor head selected
 

 

Protocol for MC(P)K6.* (similar to I2C-output)

Microcontroller sends command for read-out of one byte

S
1
0
0
1
0
0
0
0
A
0
0
0
0
C
4
C
3
C
2
C
1
A
P
C
4
C
3
C
2
C
1
 
0 0 0 0 Read-Out Humidity
0 0 1 0 Read-Out Temperature Byte 1
0 0 1 1 Read-Out Temperature Byte 2
 

Microcontroller requests data byte according control command and reads out

S 1 0 0 1 0 0 0 1
A
D 7
D 6
D 5
D 4
D 3
D 2
D 1
D 0
N A P

  from sensor
D D D D D D D D  
7 6 5 4 3 2 1 0
0 0 0 0 0 0 0 0 Humidity
1 1 1 1 1 1 1 1
0 0 0 0 0 0 0 0 Temperature Byte 1
1 1 1 1 1 1 1 1
X X X X 0 0 0 0 Temperature Byte 2
1 1 1 1
 


Wilgotność = dziesiętna wartość wilgotności * 0,5
Temperatura = (dziesiętna wartość temp.*0,125)-40
(dziesiętna wartość DW temp. = DW Bajt 1+ DW Bajt 2 *256)

Symbol
Parameter
min
max
 
T-BUF idle period between BUS actions 4,7   µs
I-D: SU data set-up time 250   ns
1-D:HD data hold time 50   ns
1-ST:HD start hold time 4   µs
1-ST:SU start set-up time 4,7   µs
1-SCL:L SCL „Iow“ time 4,7   µs
T-SCL:H SCL „high“ time 4   µs
ISCL SCL freąuency   100 kHz
t r SD A, SCL LO W/HIGH time   1 µs
t f SD A, SCL HIGH/LOW time   0,3 µs
T-STO:SU stop set-up time 4   µs
T-SP interference signal rejection   100 ns
CL capacity SD A, SCL BUS (internal pull-up 120 kQ)   10 pF
T-MUPD     150 ms
T-SMPL     5 ms
T-Hold blocking time after device access 200   ms
/files/en/katalog/2012/Automatyka/Czujniki-Przetworniki/Czujniki_wilgotnosci_i_temperatury/przebiegi.jpg

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