Qualitrol 509 1z4i2d

qualitrol 121 ®

Direct mount thermometers with flexible probe

Maximum view of temperature indication with flexible probe • Control and alarm with up to 3 integrated switches • Designed and tested to ensure quality and performance

Product Summary Description Side or top mounting bourdon tube thermometers equipped with a 4.5” (114.3 mm) dial face for temperature indication. Features a swivel probe design that allows for the dial to be angled for more convenient viewing, a resettable maximum temperature pointer, and up to 3 switches (s) for control and alarm functions. Normally installed in optional well (pocket) that allows units to be replaced or tested without lowering the oil level in the tank or breaking the tank seal.

Application For temperature indication and control or alarm functions where the point of measurement (the well or pocket) is on the side or top of the apparatus and can be easily viewed.

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qualitrol® 121 direct mount thermometers with flexible probe Maximum view of temperature • Swivel probe provides up to 160 degrees of angular rotation for indication with flexible probe convenient viewing • Vented case design prevents moisture from accumulating under the lens (sealed versions available) • The lens is made of clear, UV stabilized, molded polycarbonate for easy, scratch-resistant viewing throughout the life of the unit • Equipped with a 4.5” (114.3 mm) dial face for clear temperature indication

Control and alarm with up to 3 integrated switches

• Available with up to 3 switches for alarm, cooling or other control functions (2 fully adjustable and 1 fixed) • Control motors up to 3/4 HP

Designed and tested to ensure • A neoprene gasket, integral to the lens and bezel assembly, forms quality and performance a weather-resistant seal to protect the internal mechanism from the environment • Provides accuracy within ±2% of full scale • Sealed models are rated to NEMA 6, ensuring protection against harsh environments • The magnetically coupled maximum indicating pointer is integral to the polycarbonate lens, providing easy reset without creating a moisture leak path • Rugged, cast-aluminum housing with thermosetting powder coat finish





BEZEL CASE SWITCH SETTING INDICATORS ELECTRICAL CONNECTION

MAXIMUM TEMPERATURE INDICATOR

HINGE

CURRENT TEMPERATURE INDICATOR UV STABILIZED POLYCARBONATE LENS

TANK CONNECTION

PROBE

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TECHNICAL SPECIFICATIONS Mechanical

Mounting

Side or top (case angle for viewing is adjustable)

Mounting adjustment Standard dial ranges

0-120ºC, 0-160ºC, 0-180ºC, 20-180ºC, 0-200ºC, 0-220ºC, 0-250ºC







Tank connection

7/8-14 UNF-2A (standard)







Well connection (external)

1/2 NPT (standard)







Accuracy

+/- 2% of dial range







Compensation

+/- 2% of dial range





Dimensions

Dial diameter

4.5” (114.3 mm)







Probe diameter

0.481” (12.2 mm) (standard)







Probe length

5.812” (147.6 mm) (standard)





Materials

Case

Die-cast aluminum, ASA #70 light gray finish







Bezel

Die-cast aluminum, ASA #70 light gray finish







Lens

UV stabilized polycarbonate (standard)







Tank connection fitting

Brass







Gasket material

Neoprene - 40 ± 5 durometer







Probe

Brass (standard)

Ambient operating temperature

-30º to 140ºF (-34º to +60ºC)

Environmental

30º





Dial readability Scale layout

120º arc (standard)





Electrical

Switch type

SPST or SPDT







Switch rating (AC)

15A @ 125, 250 & 480 VAC







Switch rating (DC)

1/2A @ 125 VDC - resistive



1/4A @ 250 VDC - resistive



75%





Inductive power factor

1.5A @ 48 VDC - resistive

Switch tolerance

+/- 2% of dial range (with the pointer rotating at a speed of 25% of the dial range/minute)

Switch repeatability

+/- 1.250% of dial range (with the pointer rotating at a speed of 25% of the dial range/minute)

Minimum spacing between switch settings Electrical connections

Recommended to be no less than 4% of dial range



1500 VAC for one minute





Dielectric strength

QUALITROL, military, ANSI, flying leads, permanently attached cable

Email [email protected]

www.qualitrolcorp.com

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qualitrol® 121 direct mount thermometers with flexible probe









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Don’t see what you need? QUALITROL regularly creates models with special customer requirements. your local sales representative or QUALITROL Application Engineer to review your special requirements.





QUALITROL Field Services To further improve reliability, QUALITROL provides comprehensive education and on-site commissioning services, maintenance contracts and technical to all customers worldwide. Emergency response is available on all products and services. ®

About QUALITROL QUALITROL Company LLC manufactures substation and transformer monitoring and protection devices used by electric utilities and manufacturing companies. It is the global leader in sales and installations of transformer asset protection equipment, fault recorders and fault locators. Established in 1945, QUALITROL Company produces thousands of different types of products on demand, each customized to customers’ unique requirements. ®

©2008 QUALITROL® Company LLC, an ISO 9001 system certified company. All rights reserved. Information subject to change without notice. All trademarks are properties of their respective companies, as noted herein. AP-T01-05L-01E.

Email [email protected]

www.qualitrolcorp.com

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