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CEMA CMR SERIES
2-wire RTD Temperature & Humidity Transmitter for Indoor Type
● 2-wire loop design

● Compact design, good look and easy to install

● An economical choice, high C/P ratio

● Foreign-made sensor component with high accuracy and long-term stability


 
INPUT
Input.................................... capacitive humidity sensor & PT 100 Ω
Measuring range.............temperature: 0~50°C ; humidity : 0~100%
Working range ..................temperature: 0~50°C ; humidity : 5~95%
OUTPUT
Output .....................................................................4~20mA ; 2-wire
ACCURACY (at 25°C)
Temperature ...............................................±0.3°C+0.002°C x tactual
Humidity..............................± 2%RH (40~60%) ; ±3%RH (10~95%)
Load resistance .................................................................... ≤ 500Ω
Output calibration (ZERO & SPAN) adjustment range .....................
.......................................................10% of zero-point and full-range
Response time t90 (at 25°C) ..................................................< 20S
ENVIRONMENT
Media measured ...........................................................................air
Media temperature ...............................................................0~50°C
Storage temperature..........................................................-25~60°C
ELECTRICAL REGULATION
Power supply .............................................................. 24VDC ±15%
Electrical connection............ TS-504-3P connector / M12 connector
Installation .................................................. indoor / duct-mounting /
.....................................................................remote type with fl ange
Protection degree ............................................IP 65 (Sensor: IP 20)
Electrical protection ..............................................polarity protection
Certifi cation..................................................................................CE
Housing ............................................... PC fi re-proof class (PC-110)
Probe ................................................... PC fi re-proof class (PC-110)
TH25 cable ................................................................................PVC
Weight ......................CMR19: 117g / CMR20: 162g / CMR21: 219g
Option ......................................... water-proof shield for outdoor use
File
Name Size Time Download
CEMA CMR SERIES 1595KB 2012/9/28 PM 03:39:28 Download

 
 
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