Lowdoller Oil Pressure & Temperature Combo 100 PSI / 500*F
LOWDOLLER MOTORSPORTS
COMPATIBLE WITH HOLLEY, FUELTECH, HALTECH, ETC.
LDM899TP100 Combo SensorÂ
- Â outputs 0.5V to 4.5V signal for PSI.Â
-  0 to 100 psi and 0-500*F in one sensor!Â
- Â Same exact size as the standard 100 psi sensor
- Â 1/8" NPT
- Â 8.5 feet flying lead. (Enough extra wire to cut and add connector where ever it is convenient.)
-  Highly recommend adding a Deutsch DTM connector. Â
- Â Ultra compact
- Â ASIC Chip
- Â Diffused silicon oil filled
- Â Shock/vibration resistant
- Â Corrosion resistantÂ
- Â 0.5% accuracy for full scale.
WIRING
- RED = 5 Volt supply
- BLACK = Negative Sensor ground
- YELLOW = Pressure signalÂ
- White= Negative sensor ground
- Â Green= Signal wire to ECU
FUELTECH Voltage Scaling
100 PSIÂVoltage    PSI
0.50 Â Â Â 0
0.77 Â Â Â 6.7
1.03 Â Â Â 13.3
1.30 Â Â Â 20
1.57 Â Â Â 26.7
1.83 Â Â Â 33.3
2.10 Â Â Â 40
2.37 Â Â Â 46.7
2.63 Â Â Â 53.3
2.90 Â Â Â 60
3.17 Â Â Â 66.7
3.43 Â Â Â 73.3
3.70 Â Â Â 80
3.97 Â Â Â 86.7
4.23 Â Â Â 93.3
4.50 Â Â Â 100
Temp Sensor
Degrees F Ohms. -40         84.27
-4 Â Â Â Â Â Â Â Â 89.54
32 Â Â Â Â Â Â Â Â 100
68 Â Â Â Â Â Â Â Â 107.79
104 Â Â Â Â Â Â Â Â 115.54
140 Â Â Â Â Â Â Â Â 123.24
176 Â Â Â Â Â Â Â Â 130.9
212 Â Â Â Â Â Â Â Â 138.51
248 Â Â Â Â Â Â Â Â 146.07
284 Â Â Â Â Â Â Â Â 153.585
320 Â Â Â Â Â Â Â Â 161.05
356 Â Â Â Â Â Â Â Â 168.48
392 Â Â Â Â Â Â Â Â 175.86
428 Â Â Â Â Â Â Â Â 183.19
464 Â Â Â Â Â Â Â Â 190.47
500 Â Â Â Â Â Â Â Â 197.71