ĐỒNG HỒ ĐO ÁP SUẤT WIKA 111.11

Design
ASME B40.100
Sizes
1½", 2" & 2½" (41, 53 & 68 mm)
Accuracy class
± 3/2/3% of span (ASME B40.100 Grade B)
Ranges
Vacuum / Compound to 200 psi (16 bar)
Pressure from 15 psi (1 bar) to 6,000 psi (400 bar) or other equivalent units of pressure or vacuum
Working pressure

Steady:           3/4 of full scale value

Fluctuating:   2/3 of full scale value

Short time:     full scale value

Temperature 
Additional error when temperature changes from reference temperature of 68°F (20°C) +0.4% of span for every 18°F (10°K) rising or falling.

Pressure connection
Material: Copper-Alloy
Lower Mount (LM): 1 ½", 2" and 2½"
Center Back Mount (CBM): 2" only 1/8” NPT, ¼” NPT. Limited tp wremch flat area

Restrictor Press-fit, 0.012” orfice
Bourdon Tube
Material: copper alloy
< 870 psi (60 bar): C-shape
> 870 psi (60 bar): Helical
Movement
Copper alloy
Dial
White aluminum with stop pin and black lettering
“USE NO OIL” in red
Pointer
Black aluminum, non-adjustable

• 
  1½":                gold-painted steel
  2" & 2½":        SS ZrN coated (= brass polished look) or gold-painted steel
  Window
  Twist-lock clear polycarbonate

Optional Extras
* Special case colors
* Nickel-plated socket
* Chrome-plated steel case
* Chrome-plated ABS case
* Black ABS case
* Stainless steel case (2" size only)
* Special threaded connection
* Custom dial layout
* Heat sealed bag, thread cap and “oxygen cleaned” label
* Other pressure scales available: bar, kPa, MPa, kg/cm2 and dual scales