ĐỒNG HỒ ĐO NHIỆT ĐỘ WIKA TT.32 TT.52

Application
Designed for applications requiring local readability using a mechanical measuring element while affording 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
-40 oF to 550 oF (and equivalent oC)
* 0oF to 750 oF with T/C K
Over/Under Range Protection
Temporary over or under range of 50% (maximum
exposure 500 oF)
* Accept high temp T/C K option

Connection

Material: 304 SS

Type TT.32 and TT.52 - All angle

1/2" NPT standard

Stem

Material: 304SS

Diameter: ¼” (6.35mm)

Length:

T/C: 2 ½: to 48” (63.5mm to 1,219.2 mm)

RTD: 4” to 48” (63.5mm 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

Platinum 100-ohm, DIN curve (0.00385 Ohm/Ohm/ C) (3 wire standard configuration)

Case

Material: 304 stainless steel

External reset slotted hex head on back of case

Dial

White aluminum, dished, with black markings

Standard Scales

Single: Fahrenheit or oC Conditions of Sale

Dual: Fahrenheit (outer) and oC (inner)

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)
RTD: 4" to 48" (63.5 mm to 1,219.2 mm) 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 specifications

Additional Options

Thermowells

Acrylic, Lexan, and safety glass window

Calibration certification traceable to NIST

Warranty

Limited one year warranty as stated in WIKA's Terms & Conditions of Sale