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Series 1785 Manifold Pressure Test Gauges

Series 1785 Manifold Pressure Test Gauges
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Series 1785 Manifold Pressure Test Gauges - 1

Specifications are subject to change without notice. Visit our Web site for the most up-to-date information. Sales/Technical Support: 215-257-6531 Customer Service: 727-536-7831 900 Clymer Avenue 8600 Somerset Drive Sellersville, PA 18960 U.S.A. Largo, FL 33773 U.S.A. © 2008, by AMETEK, Inc. All rights reserved. Printed in the U.S.A. 908PDF (160166) ALL ORDERS CAN BE SENT TO: On-line fax: 215-323-9450 or e-mail to usg.sales@ametek.com Special Application Gauges Series 1785 Manifold Pressure Test Gauges DESCRIPTION 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. SPECIFICATIONS SIZE: 2-1/2” CASE: ABS. (P-1785, red; CR-1785, blue) RING AND WINDOW: Threaded, polycarbonate POINTER: Aluminum, black finish DIAL: Steel, white background with black markings. Refrigerant temperature scales in red MOVEMENT: Brass, silicone treated BOURDON TUBE: P-1785, CR-1785 – Phosphor bronze CONNECTION: 1/8-27 NPT LM, brass RANGES: P-1785: 0-500 psi, 0-800 psi CR-1785: 30” Hg VAC, 0-120 psi retarded to 350 psi; 30” Hg VAC, 0-250 psi retarded to 500 psi ACCURACY: ±3-2-3% of span (Grade B), applies to non-retard portion SPEC NUMBER SELECTION CHART Model Number Description Spec No. CR1785 30” 0 - 120/350 psi, R-12, R-22, R502 temperature scale 169128 P1785 0 - 500 psi, R-12, R-22, R502 temperature scale 169129 CR1785 30” 0 - 120/350 psi, R-134A temperature scale in °F and °C 169130 P1785 0 - 500 psi, R-134A temperature scale in °F and °C 169131 CR1785 30” 0 - 250/500 psi, R-410A temperature scale in °F and °C 169132 P1785 0 - 800 psi, R-410A temperature scale in °F and °C 169133 INCHES (MM) 1.21 (30.7) 2.84 (72.0) 0.56 SQ. (14.2) 0.34 (8.6) 0.44 (11.2) .55 (14.0) THREAD Model P1785 Model CR1785

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