PDR250 - Digital Pressure Gauge

0.25 % Accuracy Portable Pressure Gauge

Portable digital pressure gauge PDR250 has 0.25% FS accuracy, using battery for measuring pressure.

It has multiple functions are equipped and using for precision pressure measurement and test purpose.

PDR250 can uses any liquid or gas for media that compatible with 316L Stainless Steel and it has durable aluminum die-cast outer case with Class IP65 water proof for suitable to various measurement environment.


  1. Range : 0 to 500 MPa
  2. Accuracy: ±0.25% or ±0.5% F.S
  3. Convenient to read and large display
  4. Back Light Display
  5. Durable die-cast outer case
  6. Quick and easy to change the pressure unit
  7. Min / Max Measurements
  8. Small size for easy install
  9. Class IP65 Water-proof


  1. Peak function
  2. Auto-Off function
  3. Factory Initialization function
  4. Backlight On/Off
  5. Calibration function


  1. Field and Test laboratory Calibration of the pressure gauge
  2. Process precision pressure measurement for outdoors and plant.
  3. Pressure valve and Regulator test
  4. Leaks test

Specification :

Features Details
Pressure Range 0 ~ 35 kPa ... 70 MPa (Gauge)
-100 ~ 100 kPa ... 3.5 MPa (Gauge)
0 - 35 kPa ... 70 MPa (Absolute)
0 - 71 ... 500 MPa (Gauge)
Accuracy ±0.25 % FS ± 1digit ±0.5 % FS ± 1digit
Thermal Effect on Zero ±0.03% FS/°C ±0.05% FS/°C
Thermal Effect on Span ±0.03% FS/°C ±0.05% FS/°C
Compensation Range -10 ~ 50 °C
Workable Range -20 ~ 70 °C
Display ±5000 Backlight LCD
Power Requirement 1.5V (AAA size) Alkaline Battery 1ea
Display Speed 1, 2, 5, 7, 10 times / second
Special Function Unit Converstion, Peak, Auto Power Off, Auto Zero
Allowable Pressure x3 or 140 MPa (Whichever is less) ≤ 150 MPA : x1.5 or 150 MPa (Whichever is less)
> 150 MPA : x1.5 or 500 MPa (Whichever is less)
Burst pressure x4 or 210 MPa (Whichever is less) ≤ 150 MPA : x2 or 150 MPa (Whichever is less)
> 150 MPA : x2 or 600 MPa (Whichever is less)
Pressure Port G(PF)1/4", NPT 1/4", 9/16UNF Female (Only > 150 MPa)
Material of Pressure Port SS316L SS316L, Ti 87%
Waterproof IP 65
Size Dia. 80 mm x 38 mm, 120 mm Included Pressure Port
Weight 350 g

PDK Co., Ltd.

PDK Co., Ltd. was founded in 1994 as Piedindore Korea. It has been growing continuously based on customer's trust. With the continuous interest and encouragement of our customers, we have grown to become a professional company based on years of field experience, technology and know-how in measuring equipment field.

Especially, our measuring instrument business unit has steadily received technical consultation from overseas advanced technology manpower, and we can promise high quality management and provide maximum satisfaction and thorough service for optimizing and quality of measuring instrument performance through continuous post management We are working hard.

Lastly, we will continue to provide support to our customers with high-quality service and reasonable price policy for customer satisfaction so that we can contribute to domestic industry development. Thank you.