SPECIAL APPLICATION GAUGES SPECIFICATIONS Model 1785 2-1/2" manifold pressure test gauges offer several ranges for use with various types of refrigerants, including R-12, R-22, R-502, R-134A and R-410A. The gauges can be permanently mounted in cooling systems or used on portable manifolds. Type CR-1780 is supplied with 350 psi retard scale to accommodate accidental over-pressure. All gauges feature a one piece polycarbonate ring and window. This provides quick, easy access to internal front adjusting screw for resetting the pointer. Gauges are available in English, dual scale, or metric-only ranges. Custom sizes and dials are available for OEM customers. ACCURACY: ±3-2-3% of span (Grade B), applies to non-retard portion BOURDON TUBE: Phosphor bronze WINDOW AND RING: Threaded, polycarbonate MOVEMENT: Brass, silicone treated; adjustable with re-calibration screw DIAL: Steel, white background with black markings; refrigerant temperature scales in red POINTER: Aluminum, black finish ▲ mmIf" On-line order fax: +1215-323-9450 or e-mail: [email protected] AI¥IE I EIV Sales/Technical Support: +1 215-293-4100 I 205 Keith Valley Road I Horsham PA 19044 U.S.A. © 2013, by AMETEK, Inc. All rights reserved. Printed in the U.S.A. PDF513 (160174) Specifications are subject to change without notice. Visit our Web site for the most up-to-date information.