Dial diameter

Ø 2”

Ø 2½”

－ 152-B ; 152-P ; 152-U series

－ 151-B(Ø2¾”) ; 151-P series

Mounting types

Type B

Type W

Type D

Type P

Type U

－ bottom connection

－ surface (wall) **

－ centric back **

－ back connection with flange

－ panel-U clamp **

p.s.** only 152 series available

Case

151-B series — plastic (red / blue)

151-P series — steel (with plating or black enamel)

152 series — SS304 stainless steel

Lens

PC／Acrylic

Dial

R12, R22, R502 (151-B Ø2¾”)

R134a, R404a, R22 (Ø2½”)

R134a, R407c, R22 (Ø2”)

R410a (Ø2½”)

kg/cm² ; psi ; ℃

Measuring principle

Bourdon Tube brass

Movement

Brass

Connection

Brass 1/8”NPT ; 7/16”UNF(1/4”SAE) ; others

Accuracy

± 2 %F.S.

Ranges

R22, R134a, R404a, R407c:

Low pressure :

-30inHg~0~250psi & -76cmHg~0~15kg/cm²

High pressure : 0~500psi & 0~35kg/cm²

R410a:

Low pressure : 

-76cmHg~35kg & -30inHg~500psi

High pressure : 0~55kg & 0~800psi