Main functions 
The product can be used in monitoring and protecting turbine, water turbine, compressor, blower and other rotational machineries.

Function description:

1. Display function
2. Alarm function
3. Alarm-delay time setting function
4. Self-diagnostic function
5. Record output

Technical parameters:

1. Input signal: output signal of UT-81 type fuel tank oil position sensor
2. Display mode: 4 bit LED display, the first bit is sign bit, accuracy:±0.5％
3. Measurement range: -400～400mm
4. Current output: 4～20mA or 0～10mA, load≦500Ω
5. Alarm contact capacity: AC220V/3A, DC28V/3A
6. Work environment: temperature: 0～55℃ Relative humidity: ≤95%
7. Power supply: AC 220VAC±10% 50Hz Power consumption≤10W
8. Installation: disk type
9. Machine size: 160 (width)×80 (height)×200 (depth)mm
10. Hole size: 152 (width)×75 (height)mm

Order guide:

1.YDJ-Y type fuel tank oil position monitor is configured with UT-81 type fuel tank oil position sensor.
2. Model code:
YDJ-Y—A□□—B□□—C□□—D□□ 
8200/091/092—A□□—B□□—C□□—D□□

Range selection A□□:
0 1—— -100～100mm
0 2—— -200～200mm
0 3—— -300～300mm
0 4—— -400～400mm
Current output B□□:
0 1—— 4～20mA
0 2—— 0～10mA
Sensor selection C□□:
0 1—— UT-81A displacement sensor
0 2—— UT-81B displacement sensor
0 3—— UT-81C displacement sensor
Alarm delay D□□: 
0 1—— 0.1 sec.
0 2—— 1 sec.
0 3—— 3 sec.