ĐỒNG HỒ ĐO ÁP SUẤT WIKA 233.34

Standard

ASME B40.100

Special design feature

Without

For oxygen, cleanliness per ASME B40.1 level IV

Silicone-oil-free version

NACE version

Nominal size (NS)

4 ½"[115 mm]

6" [160 mm]

Connection location

Lower mount (radial)

Lower back mount

Window

Clear non-splintering plastic

Instrument glass

Laminated safety glass

Sealing from NBR

Case

Design With solid baffle wall (Solidfront) and blow-out back Internal pressure compensation 1)

Without

With diaphragm

Material

POCAN® (thermoplastic), black 2)

Ring

Threaded bezel, POCAN®, black 2)

Mounting

Surface mounting flange (integrated into case)

Adapter kit for panel mounting incl. front bezel from polished stainless steel 3)

Case filling (model 233.34)

Without

Glycerine

Glycerine-water mixture for scale ranges ≤ 0 ... 40 psi [≤ 0 ... 2.5 bar]

Silicone oil

Halocarbon oil

Movement

Stainless steel

Stainless steel, dampened with silicone oil

Internal movement stop with vacuum and 1.1-fold full scale value

Measuring element

Type of measuring element Bourdon tube, C-type or helical type

Material Stainless steel 316L

Accuracy specifications

Accuracy class

±0.5 % of measuring span (grade 2A) 1)

Temperature

On deviation from the reference conditions at the measuring system:

≤ ±0.4 % per 18 °F [≤ ±0.4 % per 10 °C] of full scale value

Reference conditions

Ambient temperature +68 °F [+20 °C]