Dial diameter:
2½” － FL series and F-BD series
2¾” － F-A series
Mounting types:
Type A － bottom connection
Type BD － back connection with flange
Case:
FL series－stainless steel, crimp bezel
F-A series－steel or plastic (red / blue)
F-BD series－steel (with plating or black enamel)
Lens:Plastic
Measuring principle:Bourdon Tube, bronze
Movement:Brass
Connection:
Bottom connection – 1/8”NPT male thread
Back connection – 7/16”UNF (1/4”SAE) male thread
Filling:Glycerin, only available for FL series
Adjustment:Adjustment screw on the dial, only available for F series
Accuracy:±2.5% F.S.
Scale:
R12, R22, R502；R134A；R404A；R410A
Kg/cm2；bar；psi；kPa
℃；℉
Ranges:
R12, R22, R502：-30inHg / 0 / 250psi & 0 / 500 psi
R134A：-30inHg / 0 / 250psi & 0 / 500 psi
R404A：-30inHg / 0 / 250psi & 0 / 500 psi
R410A：-30inHg / 0 / 500psi & 0 / 800 psi
Accessory(option):
Protective gauge boots ( blue / red)
Only available for F-A series