BAC0 pages

Temperature Products
Model BAC 3” and 5” Back Connected
Industrial Bimetallic Thermometers
DESCRIPTION
U.S. Gauge offers
3” and 5” heavy
duty, industrial
bimetallic
thermometers
with a 90º back
angle, rear
threaded union
connection
design. These
thermometers,
Model
with 300-Series
BAC
stainless steel
wetted parts, are
rugged and commonly used in industrial, pulp and
paper, food and beverage processing, HVAC, and
OEM applications.
t The standard connection is 1/2-14 NPT, but
others are available. The standard lens material
is glass. Standard stem diameter, up to 12” long,
is .25”. Other available stem sizes are .24”
(6mm), .32” (8mm), and .375” (9.52mm). Some
temperature ranges are NSF® certified.
SPECIFICATIONS
STEM DIAMETER: .25” standard up to 12” stem
CONNECTION: 1/2-14 NPT
EXTERNAL RESET: Standard (see photo below)
CONSTRUCTION: 304 stainless steel external parts, welded
construction, corrosion resistant to most chemicals
HERMETIC SEAL: Per ASME B40.3, dustproof and leakproof
DIAL: Cupped anti-parallax dial, easy to read from any angle,
minimizes reading errors; anodized aluminum with large black
numbers and graduations. Outer scale in Fahrenheit; inner
scale Celsius.
LENS: Glass
BIMETALLIC COIL: Helix coil is silicone coated on ranges
below 500ºF for vibration dampening and to maximize heat
transfer and response time
ACCURACY: ±1% full span per ASME B40.3 Grade A, when
using maximum or minimum temperature indicator, accurate
to within 1-1/2% full span
OVER TEMPERATURE LIMITS: Up to  250ºF, 100%; 250º to
550ºF, 50%; 550º to 1000ºF, continuous use up to 800ºF,
intermittent use over 800ºF
B
A
.600
(15.24)
1/2-14 NPT
STANDARD
STEM LENGTHS
2.5 (63.5)
4 (101.6)
6 (152.4)
9 (228.6)
12 (304.8)
*15 (381.0)
*18 (457.2)
*24 (609.6)
MODEL
A
B
BAC-3
ø.25
(6.35)
UNIT
inches
mm
1.113
28.27
3.132
79.55
BAC-5
inches
mm
1.113
28.27
5.006
127.15
INCHES
(MM)
*OPTIONAL
ALL ORDERS CAN BE SENT TO:
On-line fax: 215-323-9450 or e-mail to usg.sales@ametek.com
© 2008, by AMETEK, Inc. All rights reserved.
Printed in the U.S.A. 908PDF (160166)
Sales/Technical Support: 215-257-6531t
900 Clymer Avenuet
Sellersville, PA 18960 U.S.A.t
Customer Service: 727-536-7831t
8600 Somerset Drive
Largo, FL 33773 U.S.A.
Specifications are subject to change without notice. Visit our Web site for the most up-to-date information.