Description
HAWK 69B series capsule system pressure gauges are designed to measure low pressure from 6 inH2O to 15 PSI. These use a diaphragm capsule as its sensing element. The sensing element consists two half capsules which are soldered together. The diaphragm capsule element expands by subject to pressure. The expansion is converted into the rotary motion of the pointer by a movement. This motion makes users read the scale easily. The wetted parts can be in beryllium copper or brass.
Typical Applications
- Medical and pharmaceutical industry
- Industrial OEM equipment
- Low pressure pneumatic systems
- Gas detector
Specifications
Operating
Steady: 100%*full scale value
Sudden: 130%*full scale value
All HAWK capsule low pressure gauge are with over-range protection up to 1.3 times of full scale value. Special design for high over-pressure (5 times) protection on request. HAWK Supplies a wide selection of range from 6 inH2O to 15 PSI including vacuum and compound range.
Temperature limit
Ambient: -20 to 60°C
Media: max 60°C-Copper.
Temperature effect
Accuracy of measurement will be affected by the temperature change. This inaccuracy may as high as ±0.3% for 10°C temperature change.
Size
2 1/2″ (63mm), 3″ (75mm), 4″ (100mm).
Case
Steel Case with black enamel (chrome plated on request).
Ring
Polycarbonate.
Socket
Brass (chrome plated on request).
Movement
Brass movement with overload and underload stops.
Capsule Element
Beryllium Copper or Bronze.
Window
Polycarbonate.
Several Kinds of Window
Pointer
Anodized aluminum with black finish.
Accuracy
±3-2-3% of span (2-1-2% – Option) (Grade B to ASME B40.1).
Zero-Adjustment
Adjustable screw on dial.
Scale
PSI, kPa, mmH2O, mbar, inH2O, oz./in2 (single or dual scale).
Connection
1/8″, 1/4″, 3/8″NPT standard, JIS, DIN available.
Mounting
Flushing panel mounting.
Weatherproof
NEMA 2/IP43 enclosure.
