Honeywell SMV 3000 - Page 24

34-SM-03-01
Page 24
Model Selection Guide, continued
Thermocouple assembly available from Honeywell Inc.
Thermocouple Probe Assembly 78
1/4-inch Rigid Probe
1/4-inch Spring-Loaded Probe
Probe Style Code
Sheath Material
Stainless Steel
Inconel
Other (Consult Phoenix STC)
S
I
O
Thermocouple Type
J
K
T
E
Stem Length Dimension
Stem length in inches (3" minimum, 24" maximum)
A
Probe Lag Hardware 1/2-inch NPT
SST Fittings ( 78D4 only)
Hex Nipple as 3/4-inch Standard
316 SS. Specify as "A3/4"
Specify Straight Nipple as "BX"; where
X = 3-inch, 6-inch, 9-inch lengths.
Specify Double Lags and Union as "CX"; where X =
mated lengths of 3-inch, 8-inch, 10-inch or 14-inch.
Remote Connection Head
Explosionproof, standard cast aluminum
Plastic (not explosionproof)
Polypropylene (not explosionproof)
R
PL
PO
A3/4
B3
B6
B9
C3
C8
C10
C14
Minimum lead length, as required, 3" average
Lead length (X) as specified, 3-6", above 6"
A
X
Maximum Operating Temperature
Options
Standard wired-on SST tag
Certificate of Probe Calibration (2-point)
Certificate of Probe Calibration (3-point)
Certificate of Probe Calibration (4-point)
SST
CC2
CC3
CC4
Lead Length*
Number of Elements
Single element
Dual element
S
D
* Caution: Excessive lead lengths may result in lead wire damage due to space limitations within the remote head
B4
D4
Type of Junction
Grounded
Ungrounded
G
U
Note: Stem length plus lag length cannot exceed
24" total without prior factory consultation.