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121 Direct Mount Thermometer with Flexible Probe
Brand: Qualitrol CompanySide 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 reset-able maximum temperature pointer, and up to 3 switches (contacts) 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.
Features- Bourdon tube measurement with reset-able maximum pointer
- Flexible head for side or top mount applications
- Up to 2 fully adjustable switches (contacts) and one additional fixed switch for control and alarm functions
- 5" (130 mm) dial face with an angular dial span of 120 for easy viewing
- Optimize view of temperature indication with flexible stem
- Swivel stem provides up to 70 degrees of angular rotation for 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 4 integrated contacts
- Available with up to 3 switches for alarm, cooling and/or controlling functions (2 fully adjustable and 1 fixed)
- Control motors up to 3/4 HP
- Designed and tested to ensure quality performance
- A neoprene gasket, integral to the lens and bezel assembly, forms 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 the weather
- The magnetically coupled maximum indicating pointer is integral to the polycarbonate lens, providing easy reset without creating a moisture leak path
- Rugged, epoxy coated, cast-aluminum housing
Specifications
Brand
Accuracy
- ± 2 % of Dial Range
Ambient Operating Temperature
- -34° to 60° C (-30° to 140° F)
Bezel
- Die Cast Aluminum, ASA #70 Light Gray Finish
Case
- Die Cast Aluminum, ASA #70 Light Gray Finish
Compensation
- ± 2 % of Dial Range
Dial Diameter
- 4.5” (114.3 mm)
Dielectric Strength
- 1,500 Vac for One Minute
Electrical Connectors
- QUALITROL, Military, ANSI, Flying Leads, Permanently Attached Cable
Gasket Material
- Neoprene - 40 ± 5 Durometer
Inductive Power Factor
- 75%
Lens
- UV Stabilized Polycarbonate
Minimum Spacing Between Switch Settings
- Recommended to be no less than 4 % of Dial Range
Mounting
- Side or Top (Case Angle for Viewing is Adjustable)
Mounting Adjustment
- 30°
Scale Layout
- 120° Arc (Dial Readability)
Sensor, Probe
- Brass
Sensor, Probe Diameter
- 0.481” (12.2 mm)
Sensor, Probe Length
- 5.812” (147.6 mm)
Standard Dial Range
- 0° to 250° C (32° to 482° F)
Switch Rating
- 1.5 A at 48 Vdc, Resistive
- 1/2 A at 125 Vdc, Resistive
- 1/4 A at 250 Vdc, Resistive
- 15 A at 125, 250 & 480 Vac
Switch Repeatability
- ± 1.250 % of Dial Range (With the Pointer Rotating at a Speed of 25 % of the Dial Range/Minute)
Switch Tolerance
- ± 2 % of Dial Range (With the Pointer Rotating at a Speed of 25 % of the Dial Range/Minute)
Switch Type
- SPST or SPDT
Tank Connection
- 7/8”-14 UNF-2A
Tank Connection Fitting
- Brass
Well Connection
- 1/2” NPT Male