Omega Products BAT-24-12 User Manual
Thermocouple Assemblies
NB1-2 rugged cast iron
protection head and
terminal block are
included with
the probe.
1
⁄2 x 3⁄4
NPT
fitting
optional.
High-purity alumina
protection tube.
Type R, S, or B platinum
thermocouple enclosed in a
high-purity alumina protection
tube. Standard construction
includes a cast iron NB1-2
connection head and 1⁄2 NPT fitting.
For use at temperatures up to
1650°C (3000°F). Elements are
insulated by a double-bore, highpurity, hard-fired alumina insulator.
High-Temperature
Platinum Thermocouples and
Ceramic Protection Tubes
U Up to 1650°C (3000°F) Rating
U Oxidizing or Reducing
Atmospheres
U Connection Head with
Terminal Block
U Custom Probe Lengths
Available
Insulators
are 25 mm
(1") long.
Length
Hard-fired
ceramic
insulators.
head, insulated element
and protection tube.
12 x 12 mm
1
(
⁄2 x 1⁄2")
standard
RAT-30 -12
includes
Complete Assemblies
To Order Visit omega.com/rat_sat_bat for Pricing and Details
AWG Protection Insulator
Model Thermocouple Wire Tube OD OD
Number Calibration Size mm (inch) mm (inch)
RAT-30-12 Pt vs Pt 13% Rh 30 6.0 (
RAT-24-12 Pt vs Pt 13% Rh 24 6.0 (
RAT-20-12 Pt vs Pt 13%Rh 20 9.5 (
SAT-30-12 Pt vs Pt 10% Rh 30 6.0 (
SAT-24-12 Pt vs Pt 10% Rh 24 6.0 (
SAT-20-12 Pt vs Pt 10% Rh 20 9.5 (
BAT-30-12 Pt 6% Rh vs Pt 30% Rh 30 6.0 (
BAT-24-12 Pt 6% Rh vs Pt 30% Rh 24 6.0 (
BAT-20-12 Pt 6% Rh vs Pt 30% Rh 20 9.5 (
Note: Alumina tube shipped separately to avoid breakage. Shipped unassembled.
Ordering Example: RAT-30-12, 30 AWG Type R thermocouple in a 300 mm (12") high-purity aluminum
protection tube and a cast iron head.
Replacement Elements for Assemblies Shown Above
Type AWG Insulator Type S Type R Type B
of Wire 99.7% + PT- PT- PT/6%Rh Element Size Al2O3 PT/10%Rh PT/ 13%Rh PT/ 30%Rh
Bare wires 20 N/A Bare-20-S-12 Bare-20-R-12 Bare-20-B-12
(No 24 N/A Bare-24-S-12 Bare-24-R-12 Bare-24-B-12
Insulators) 30 N/A Bare-30-S-12 Bare-30-R-12 Bare-30-B-12
Double-Hole 20 XDH-20 XDH-20-S-12 XDH-20-R-12 XDH-20-B-12
Round 24 XDH-24 XDH-24-S-12 XDH-24-R-12 XDH-24-B-12
Insulators 30 XDH-30 XDH-30-S-12 XDH-30-R-12 XDH-30-B-12
Replacement elements include leads of sufficient length to reach terminals in head.
*
Note: Published price is based on market value at time of printing and is subject to change
(more or less) due to precious-metal market fluctuations.
A-125
1
⁄4) 3.0 (1⁄8)
1
⁄4) 3.0 (1⁄8)
3
⁄8) 4.5 (3⁄16)
1
⁄4) 3.0 (1⁄8)
1
⁄4) 3.0 (1⁄8)
3
⁄8) 4.5 (3⁄16)
1
⁄4) 3.0 (1⁄8)
1
⁄4) 3.0 (1⁄8)
3
⁄8) 4.5 (3⁄16)
Wire Size Conversion
AWG Actual Diameter
6 4.1 mm (0.162")
8 3.2 mm (0.128")
10 2.5 mm (0.102")
12 2.0 mm (0.081")
14 1.6 mm (0.064")
16 1.2 mm (0.051")
18 1.0 mm (0.040")
20 0.8 mm (0.032")
22 0.6 mm (0.0253")
24 0.5 mm (0.0201")
26 0.41 mm (0.0159")
30 0.25 mm (0.0100")
Replacement protection
tubes available; see
PTRA Series. For
300 mm (12") probe
length: add 48 mm
(17⁄8") to length of tube
to accommodate fitting.
PTRA-31614-137/8-1
[for 6 mm (1/4") OD]
PTRA-1438-137/8-1
[for 9.5 mm (3/8") OD]
Temperature and Pressure
P-OPNE-14 Fig. 1
Test Plugs
GASS18
Self-Sealing Insert
probe, shown
actual size.
A
GASS18
U 3 mm (1⁄8") Diameter Probe
U Up to 1000 psig Between
-30 and 60°C (-20 and 140°F)
U Up to 135°C (275°F)
U Two Self-Closing Valves
U Heavy-Duty Design
OMEGA® self-sealing plugs will
allow you to take pressure and
temperature readings quickly and
eliminate the need for leaving costly
gages or temperature indicators
on the line. The OMEGA® plug is
permanently installed in the line at
recommended test points. The cap
protects the valve and provides an
additional positive seal. After the
cap has been removed, either a test
thermometer or a gage adaptor with
the proper pressure gage attached
can be inserted through the two selfclosing valves in the plug. Readings
are taken, adjustments or tests can
be made, and when the probes are
withdrawn, the two valves close.
The protective cap is then reinstalled.
Neoprene is resistant to deterioration
from waxes, oils, greases, fats,
petroleum products, and most
refrigerants. It can be operated
at a maximum temperature of
95°C (200°F) at 500 psig.
Nordel gives excellent service
in hot or cold water and in some
applications of low pressure steam.
Nordel is resistant to detergents,
phosphates, esters, ketones,
alcohols, and glycols. It is not suitable
for petroleum products. It can be
operated at a maximum temperature
of 135°C (275°F) at 500 psig.
Brass
Stainless
Steel
Gage Adaptor
THE PRESSURE
GAGE ADAPTOR
HAS A 3 mm (1⁄8")
DIAMETER PROBE
OF 304 STAINLESS
STEEL WITH UNION
NUT. SIMPLY
ATTACH YOUR
GAGE/ TRANSDUCER
AND INSERT THE
PROBE THROUGH
AN OMEGA® PLUG TO
TAKE A READING.
Brass
Shown actual size.
OPN Series
Gage Adaptor
50.8
(2.0)
3.18
(0.13)
Protective Cover Included
Self Sealing Plug
3
1
2
3
4
5
Dimensions: mm (inch)
1. CAP & GASKET
2. TWO NEOPRENE OR NORDEL
SELF-CLOSING VALVES
3. VALVE POCKET FOR ADDED
PRESSURE PROTECTION
4. PROCESS THREAD
5. VALVE RETAINER
⁄8-24
UNF
U Any Size Plug
Accepts up to a
3 mm (1⁄8 in) Dia.
Probe
To Order Visit omega.com/rat_sat_bat for Pricing and Details
OMEGA Plug
Model No. Fitting Valve Core Material
OPNE14
OPNO14
OPNE12
OPNO12
Gage Adaptor
Model No. Fitting Probe Diameter
GASS18
Ordering Example: OPNE14, 1⁄4 NPT male fitting with Neoprene core and GASS18,
probe/gage adaptor.
A-126
1
⁄4 NPT male NEOPRENE
1
⁄4 NPT male NORDEL®
1
⁄2 NPT male NEOPRENE®
1
⁄2 NPT male NORDEL®
1
⁄4 NPT female 3.2 mm (1⁄8")
®
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