DEPAS - Diesel Engine Performance Analysing Systems
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Upper measured pressure limit

16.0 MPa

Working temperature range for converter PN-100

-10C...+60C

Working temperature range for PS-16 vibrosensor body

+10...+300

Voltage range on a converter output

0 ... 5 V

Loading resistance of converter PN-1000

2 ... 3 kOhm

The greatest deviation of the real characteristic from of the nominal static characteristic

+0.5 %

Allowed basic error limit

+ 1 %

Converter PN-100 power supply

= 24 + 0.72 V

PS-16
DIESEL ENGINE EXHAUST GAS PRESSURE SENSOR

The capacitor type sensor is developed for marine periodic control systems.The PS-16 sensor signal converter is common with vibrosensor VS-20 signal converter. On the converter casing forward panel there is rigidly attached reinforced cable of PS-16 sensor, VS-20 vibrosensor socket and the indicator for remote transfer of commands.

The allowed basic error "g" of the converter is expressed in percentage from the output parameter upper limit.


 


VS-20
vibrosensor

It is intended for definition of valve timing & fuel timing. A signal transformation method for final processing - two-half-period detecting.

Range of measured frequencies:

 

- full

240..19000Hz

- at filter reorganization

7000..14000Hz

Amplitude-Frequency characteristic non-uniformity

4 dB

Width of a converter passband

1000Hz

Nominal level of the output signal

6 V

Range of working temperatures

+5..+85

Power supply voltage

= 24 + 0.72 V

Comparision of different ways of fuel timing analysis:
1. Injector needle moving diagram (inductive sensor for laboratory researches);
2. Fuel pressure diagram (pressure sensor PS-150);
3. Injector vibrodiagramm (vibrosensor VS-20).


PS-150, Fuel Oil Pressure Transmitter

 


PS-150
FUEL PRESSURE SENSOR

Range of measured pressure
Output signal
Basic measurement error
Sensitive element maximum temperature
Converter PN-100 maximum temperature
Power supply voltage
Sensitive element casing material

0..150 MPa
0..5 V
+ 1.5 %
140
65C

24 + 0.72 V
40Cr13

 The sensor is used together with the high pressure valve V-200. Connecting thread 201,5


PS-150, Fuel Oil Pressure Transmitter

The capacitor type sensor for pressure measurement in high pressure fuel system during injection. The maximum range of measured pressure 0 - 200 MPa. Sensitive element working temperature is up to 140. Sensor distinctive features: characteristic linearity in all a working range, high mechanical durability, small size and weight . The sensor should be installed on the high pressure valve V-200. A date of development - May, 1999.


V-200,High Pressure Valve


V-200
THE VALVE OF THE HIGH PRESSURE

Working pressure of environment
The maximal pressure
Range of working temperatures

0..150 MPa
200 MPa
+5..+170


V-200,High Pressure Valve

The high pressure valve V-200 is intended for installation in high pressure fuel system. Opening of the valve occurs after fitting of sensor PS-150. A working pressuer range 0 - 200 MPa, at fuel temperature up to 140. Due to the original construction it was possible to exclude completely usual problem for similar devices - fuel leaking during sensor installation. The valve has passed strict tests in laboratories of faculty "Ships Power Plants and Techical Operations" of Odessa National Marine University. A date of development - May, 1999.

 

Opening of the valve occurs at full fitting of sensor PS-150

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