Did you look further down the ad? This part seems important:
Pressure Range: 0-150 psi
Material :Stainless steel
Output: 0.5V – 4.5V linear voltage output. 0 psi outputs 0.5V, 75 psi
outputs 2.5V, 150 psi outputs 4.5V
Working Temperature: -40—+125ºC;.
Works for oil, fuel, water or air pressure. Can be used in oil tank,
gas tank, etc.
Thread: 1/8”-27 NPT. Overload Capacity: 2 times;
Pressure Medium: The gas and liquid which is compatible with 316L
Load Resistance: ≤(supply power-6.5V/0.02A)Ω; Long-term stability: ±
Temperature Effect on Zero: Typical: ±0.02%FS/ºC; Maximum:
Temperature Effect on Sensitivity: Typical: ±0.02%FS/ºC; Maximum:
Shock Resistance: 100g; Anti-Shock: ≤±0.01%FS(X,Y,Z axes, 200Hz/g);
Response Time: ≤1ms; Insulation Resistance: >100mΩ 500VDC;
Explosion-proof Class: ExiaTTCT6; Electromagnetism Compatibility:
EN50081-1; EN50082-2; IEC61000-4-3;
Wiring connector: water sealed quick disconnect. Mating connector and
wire harness (pigtail) is included. Wiring: Red for IN+. Black for
GND. Green for OUT.
It tells you the accuracy over the range and even gives numbers for the effect of temperature on accuracy. It says it is linear. That means it measures the same at low values as it does at high values.