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CLICK ON PICTURES FOR LARGER
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Basic Model: Measure the
diameter of the Dial in inches, Also note if there is a screw or
"bolt head" in the back. This determines if it can be adjusted
or "resettable". Also note the mounting of the stem. the choices
are: back, bottom and adjustable angle. You may also find some
with left or right hand mounting, but these are less common.
Select the Model from the following Table.
General Specifications
|
Model |
Dial Size |
Connection |
Resettable |
|
20 |
2" |
Back |
No |
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30 |
3" |
Back |
Yes |
|
31 |
3" |
Bottom |
Yes |
|
32 |
3" |
Adjustable |
Yes |
|
33 |
3" |
Back |
No |
|
34 |
3" |
Bottom |
No |
|
50 |
5" |
Back |
Yes |
|
51 |
5" |
Bottom |
Yes |
|
52 |
5" |
Adjustable |
Yes |
|
53 |
5" |
Back |
No |
|
54 |
5" |
Bottom |
No |
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| Stem Length: Measure the
stem from the top of the threaded connection to the end of the
stem. The standard lengths in inches are: 2.5, 4, 6, 9, 12, 18,
24, 30, 36, 42, 48, 54, 60, 66, 72. The length is specified as
XXX; 2.5" = 025; 72" = 720 |
A - Trend
D - Wika |
Dial Logo: Use "A" for
Trend and "D" for Wika |
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Scale: There are three
types of scales for the dial: Dual Scale, Fahrenheit only
and Celsius (Centigrade). The Dual scale is most common but some
consider it confusing and prefer the single scale. Use "0" for
Dual, "1" for Celsius and "2" for Fahrenheit |
| Range: Select
the two digit range code from the table on the right. Click on
the table to see a larger version |
A - Acrylic
L - Lexan Ž (only on 2" & 3" dial)
S - Shatterproof Glass
G- Glass |
Lens: Also know as the
window or crystal. The standard is glass. Although tough it can
break and leave fragments. Shatterproof glass may break but will
not shatter into fragments. Acrylic and LexanŽ are plastic lens
and may replace the glass. Chemical fumes may fog the acrylic or
LexanŽ |
0 - Plain
1 - 1/8" NPT
2 - 1/4" NPT
3 - 3/8" NPT
4 - 1/2" NPT
5 - G 1/2B
7 - Union Connection |
Process Connection:
By far the most common connection is 1/2" NPT.
This connection has a diameter of approx 27/32 (0.840) inches.
Other connections are: Plain (None), 1/8" NPT, 1/4" NPT, 3/8"
NPT, G 1/2 B or a Union connection.
Click here to see dimensions for pipes
http://www.plumbingsupply.com/pipethreadsizing.html |
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Options: |
| SF - Silicon Fill |
Silicon Fill is normally
used where there is severe mechanical vibration. The silicon
dampens and lubricates the internal mechanism, reducing
oscillation and premature wear. Max Temp: 50/500 °F. Only
available on Models: 30, 31,32,50,51,52 |
| ST: Sharp Tip |
Sharp Tip:
The tip of the stem is normally round to flat.
The sharp tip makes it easier to pierce things |
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MM - Min/Max Pointer This
is a manual indicator that is moved by the temperature indicator
and shows the max. or min temperature reached. It is reset
manually. Only available on Models 30 and 50 |
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Connection Location.
Bottom connected thermometers can be orders with the connection
oriented to the left (LS), right (RS) or the top (TS) |
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Heavy Duty If the
thermometer is going to be inserted into compost, meat, etc.
then a heavy duty stem is recommended. Option HD provides
a 3/8" heavy duty stem with 2-1/2" x 1/4" OD sensitive tip, the
HA option provide for a 3/8" heavy duty stem
for the entire length and the HS option provides a 3/8"
stem, reduced tip with a sharp point. The thermometer on the left is shown with
the optional EZ-Insertion Handle. |
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EZ-Insertion Handle. This
is recommended where the thermometer is inserted compost, meat
etc. It saves using the dial as the handle P/N TA600-0163 |
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316 Stainless Steel. The
case and stem is made of 304 SS. In some cases where a
thermowell is not used, 316 SS is available for the wetted
parts. Option code SS |
