2.2 Dimensional Drawings
(Dimensions are
)
2.3 Intrinsically Safe Operation
2.3.1 ControlAir, Inc. offers Factory Mutual Intrinsically Safe
approval as a standard feature on all units with a 4-20 mA input signal.
in.
mm
441-622-015
Type 500X
Page 4
1.10
27.9
.55
14.0
(2) #18 GA. Wire Leads,
18" Long.
Black = Positive
White = Negative
(2) #10-32 UNF-2A x .38 DP.
Mounting Holes (Shown with
Bracket Screws Installed)
1.15
29.2
1.12
28.4
4.24
107.7
1.13
28.7
1.04
26.4
1.50
38.1
1.50
38.1
.55
14.0
1.13
28.7
Diameter
2.88
73.1
.21
.53
Diameter
MNTG.
Holes
1.250
31.7
2.18
55.4
1.44
36.6
SIGNAL
1/4
NPT
TYP.
Removable
Mounting
Bracket
1/2
NPT
IN
OUT
Max (Square)
SPAN
ZERO
Alternate
Out/Gauge
Port
TYP. 180
°
Apart
Drawing No. 431-990-013
Models 728+, 787S+ and 4045, +24 to +26 VDC, Model 728-, -24 to -26 VDC,
available from MTL Inc. 7541 Gary Road, Manassas, VA 221110, USA.