Mechanical
Temperature Measurement
Twin-Temp Thermometer
Twin-Temp Transmitting Accessories and Options
Models TT.32 & TT.52
Application
Designed for applications requiring local readability using a
mechanical measuring element while aording an additional
means of electronic data acquisition from the same
instrument.
Sizes
3" (76.2 mm) - Type TT.32
5" (127 mm) - Type TT.52
Accuracy
+ 1.0% of measurement range
Ranges
o
F to 550 oF (and equivalent oC)
-40
o
F to 750 oF with T/C K
* 0
Over/Under Range Protection
Temporary over or under range of 50% (maximum
exposure 500
* Accept high temp T/C K option
o
F)
Twin-Temp Model TT.52 shown
WIKA Datasheet TT.32/TT.52
Standard Features
Connection
Material: 304 SS
Type TT.32 and TT.52 - All angle
1/2" NPT standard
Stem
Material: 304 SS
Diameter: 1/4" (6.35 mm)
Length: T/C : 2 1/2" to 48" (63.5 mm to 1,219.2 mm)
RTD: 4" to 48" (63.5 mm to 1,219.2 mm)
Measuring Element (Mechanical)
Bi-metal helix
Measuring Element (Electrical)
Thermocouple
Type J, K, E, T Grounded Junction Thermocouple standard
Ungrounded T/C available
RTD
o
Platinum 100-ohm, DIN curve (0.00385 Ohm/Ohm/
(3 wire standard conguration)
Case
Material: 304 stainless steel
External reset slotted hex head on back of case
Dial
White aluminum, dished, with black markings
Pointer
Black aluminum
Standard Scales
Single: Fahrenheit or
Dual: Fahrenheit (outer) and
WIKA Datasheet TT.32/TT.52 · 12/2011
o
C
o
C (inner)
C)
Window
Flat instrument glass
Order Options
Weather-proof Housing and Plug
7/8-20 UNEF threaded barrel with bushing and compression
nut. Provides environmental protection to thermocouple/RTD
connection.
Electrical Connection With Lead Wire (½ NPT)
Available in thermocouple or RTD in 6" increments. Allows for
site installation using other enclosures or piping systems.
Thermocouple Enclosure Head
A protective enclosure threads onto the optional ½ NPT
electrical connection. The housing protects electrical
connections from the environment. Houses a 4-20 mA
transmitter or terminal block. Aluminum housing is standard.
Terminal Block
Provides a connection point for the thermocouple or RTD.
Mounts in thermocouple head with 2 screws.
4-20 mA Transmitter
Refer to transmitter specications
Additional Options
Thermowells
Acrylic, Lexan, and safety glass window
Calibration certication traceable to NIST
Warranty
Limited one year warranty as stated in WIKA's Terms &
Conditions of Sale
Page 1 of 2
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Dimensions:
Thermocouple enclo-
sure head connection
is ½" NPT. Must specify
"Lead Wire" connection
with thermocouple
enclosure head.
Thermocouple Enclo-
sure couple connection
is ½" NPT. Must specify
"Lead Wire" connection
with thermocouple
enclosure head.
7/8" - 20 UNEF
thread connection
(non-lead wire con-
nection)
7/8" - 20 UNEF
thread connection
(non-lead wire con-
nection)
(RTD connection not shown)
RTD connection not shown
Page 2 of 2 WIKA Datasheet TT.32/TT.52 · 12/2011
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WIKA Instrument Corporation
1000 Wiegand Boulevard
Lawrenceville, GA 30043
1-888-WIKA-USA /770-513-8200 (in GA)
Fax 770-338-5118
info@wika.com www.wika.com