HPS High Purity Pressure Gauge with Reed Switch

50 mm Dial Size

Data Sheet

All specifications are subject to change without notice.

All sales subject to standard terms and conditions.

©2022 Ashcroft Inc. 50-hps_gauge_w-switch_ds_RevA_02-10-22

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FEATURES

316L Stainless steel wetted parts

Helium leak tested to 1 x 10-8 scc/s

Cleaned in class 10,000 clean room

Polyethylene-sealed after nitrogen gas flushing

Packed in a Polyethylene-sealed bag after

nitrogen gas flushing

TYPICAL USES

High purity gas delivery systems

Gas sticks

Process gas analyzers

Semiconductor

Cylinder Cabinet

Exhaust gas for CVD and etching equipment

KEY BENEFITS

• Ultraclean design & packaging

• 100% Helium leak tested

• Serialized dial (7 digit)

SPECIFICATIONS

Accuracy:

Setting Accuracy:

±1.6% of span

±5.0% of span

Dial Sizes:

50 mm

Ranges:

0 to 60 psi, 0 to 3,000 psi

Surface Finish:

Tube and fitting < .38 μm Ra

Process Connection:

50 mm:

¼ Male or female VCR type (9⁄16-18UNF)

R ¼ Male, ¼ NPT Male

Process Conn. Location: Lower

Window Material:

Polycarbonate

Dial:

White face, aluminum

Pointer

Black, aluminum

Approvals:

RoHS

WETTED COMPONENTS

Bourdon Tube

Gland/Socket

Joints

316L SS

316L SS

Argon Arc Fully Welded

NON-WETTED COMPONENTS

Case

Window

304 SS

Polycarbonate

MIN/MAX TEMPERATURE LIMITS

PROCESS

-4 °F to 140 °F (-20 °C to 60 °C)

REED SWITCH SPECIFICATIONS

Power: 10 W

Maximum Voltage: 30V AC/DC

Maximum Current: 0.5A DC

Dead Band: Within 10% of span

HPS

50 mm dial size