47 Series – Refrigerant Pressure Gauge

Stainless Steel Case Series

Features:

  • Red Temperature Indication on Dial
  • 100% Leak tested to ensure integrity to 1*10-4 CC per second of gas at rated pressure
  • Heavy Duty Bourdon Tube/Rotary Geared Movement
  • Field Liquid Fillable
  • Zero Adjustable Pointer for 4″ and 6″

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Description

HAWK 47L, 47B Series refrigerant pressure gauges are ideally suited for refrigeration applications such as testing automotive, industrial and residential air conditioning at high quality performance requirement.
The red temperature equivalent scale provides easy analysis of the refrigeration system. The all SS construction are good in use on demanding applications where corrosion resistance, rugged environment resistance and reliable operation are required.
Liquid Filling or dampened movement is available to diminish the effects of vibration, pulsation and shock and further enhances the gauge life.

Typical Applications

  • Suitable for use on all freon service applications.

Specifications

OPERATING
Steady: 100%*full scale value
Pulsation: 90%*full scale value
Sudden: 130%*full scale value

The appropriate operating range falls in the middle half of the gauge (25% to 75% of full scale). If you choose the unsuitable range, the fatigue of bourdon tube may be resulted.

TEMPERATURE LIMIT
Ambient: -40 to 100oC (Dry Gauge)
-10 to 65oC (Glycerine Filled Gauge)
-50 to 80oC (Silicon Filled Gauge)
Media: max 60oC-Brass, 125oC-SS (Standard)
300oC (Optional).

TEMPERATURE EFFECT
Accuracy of measurement will be effected by the temperature change. This inaccuracy may as high as ±0.3% for 12°C temperature change.

DIAL SIZE
4″ (100mm) or 6″ (150mm)
2 1/2″ (63mm) or 3 1/2″ (85mm).

CASE & RING
Stainless Steel 304 (SS316-option), polished bayonet ring.

SOCKET
316 Stainless Steel or Brass.

MOVEMENT
Stainless steel movement with overload and underload stops-standard, silicon dampened movement on request.

BOURDON TUBE
316SS, Phosphor bronze or Brass.

WINDOW
Plain Glass – Standard
Tempered safety, Polycarbonate or Laminated safety glass – Optional.

POINTER
Anodized aluminum with black finish.

ACCURACY
±1.0% of span for 4″ and 6″ (Grade 1A to ASME B40.1)
±2-1-2% of span for 2 1/2″ and 3 1/2″ (Grade A to ASME B40.1)

ZERO ADJUSTMENT
Micro-adjustable pointer for 4″ and 6ʺ.

SCALE
PSI, kPa, Mpa, bar, kg/cm2, inHg, cmHg, mmHg (single or dual scale).

CONNECTION
1/2″, 3/8″, 7/16″-20 UNF, 1/4″ NPT standard JIS, DIN, M14*1.0 and M20*1.5 available.

MOUNTING
Stem or Flushing U-clamp mounting,
Panel or Flushing U-clamp mounting,
Surface mounting.

WEATHERPROOF
NEMA 4X/IP65 enclosure.

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