Dwyer Instruments SERIES RRT3 Catalog Page

Ø3-1/4 [Ø82.55] OR

SERIES RRT3

Thermometers

with Transmitter/Switch

REMOTE READING THERMOMETER WITH SWITCH

SPDT Relay, Liquid Actuated Bulb and Capillary

7/16

[11.00]

3-1/32
[77.00]

The Series RRT3 Remote Reading Thermometer with Switch combines an easy to

read 3-1/4˝ dual scale dial thermometer and a SPDT relay. Color coordinated pointers

display the current process temperature and set point.

FEATURES/BENEFITS

• Quick connect electrical terminals

• Industrial armored capillary

APPLICATIONS

• HIgh temp shut down in process applications

• Boiler or chiller control

MODEL CHART
Model Temperature Ranges
RRT3120U

RRT3250U
RRT3300U

-40 to 120°F (-40 to 50°C)
32 to 248°F (0 to 120°C)
0 to 300°F (-18 to 149°C)

DWYER INSTRUMENTS, INC. | 118

3-33/64

[89.50]

3-1/8 [79.24]

3-23/64 [85.51]

SPECIFICATIONS
Wetted Materials: 304 SS.

Accuracy: ±3% FS.
Housing Material: 304 SS.
Temperature Limit: -4 to 158°F (-20 to 70°C).
Switch Type: SPDT.
Electrical Ratings: 3 A @ 250 VAC, .2 A @ 250 VDC.
Electrical Connections: Screw terminal.
Process Connection: 1/2˝ (12.7 mm) male NPT.
Dial Size: 3-1/2˝ (90 mm).
Capillary Length: 10.5´ (3.2 m).
Bulb Length: 3-1/8˝ (79.24 mm).
Weight: 2 lb (900 g).

USA: California Proposition 65
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

3-5/32
[80.00]