Rixen MTR-731 Manuel utilisateur
Soil Moisture Transmitter MTR-730 Series
User’s Guide
A. Specifications
Model No.
MTR-731
MTR-732
Measuring Range
Moisture:
0.0 ~ 100.0% output scale
True read: 6.0~56.0% WME
Moisture:
0.0 ~ 100.0% output scale
True read: 6.0~56.0% WME
Temperature:
-40 ~ +60C
Accuracy (At 25C)
Reference of Mineral Soils
Moisture: 2%
Temperature: ±0.4℃
Moisture: 2%
Long-term Stability
Better than 1% per year (Typical)
Temp. Compensation
0.02% / C (Effect @ 0% RH)
Response
Approx. 3 seconds
Output
Moisture scale: 0~100%
Temp. scale: -40~+60℃
Current output: 4~20mATwo wire
Temperature:
Current output: 4~20mATwo wire
Moisture:
Current output: 4~20mATwo wire
Supply Voltage
12 ~ 40V DC, >150mA
Ambient Temperature
-40 ~ +60C
Housing/Protection
ABS plastic watertight enclosure (IP 65), Probe: SUS304 or SUS316
Weight
Approx. 190g
Dimensions
Instrument: φ90×54(H) mm
Probe: φ8×150(L)mm
※Specifications are subject to change without notice.
B. Ordering Information C. External Dimensions
Model
Descriptions
MTR-731
Soil Moisture transmitter
MTR-732
Soil Moisture & Temperature transmitter
※Standard specification of probe: φ8×150mm
※Length of probe is available upon request
Max. L=1500mm
D. On-Site Calibration & Wiring
1. Wiring
2. PCB
2.1 MTR-731Soil Moisture transmitter
2.2 MTR-732Soil Moisture & Temperature transmitter
3. Three ranges selectable:
Range 1: Dryer or high density material.
Range 2: Medium-density water in the material.
Range 3: Wet or low density material.
4. Calibration
ZERO
SPAN
Temperature (Upper PCB)
VR3
VR4
Moisture (Underneath PCB)
VR1
VR2
MTR73015FEB04
Temperature (Upper PCB) Moisture (Underneath PCB)
Ce manuel convient aux modèles suivants
1
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