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AKM OTI/WTI Capillary Based Oil Thermometer
Brand: Qualitrol CompanyCapillary based, mechanical, remote indicating thermometer. Configurations for oil temperature measurement and winding temperature simulation.
Features up to 6 adjustable switches for alarm, trip, and cooling system functions and can be equipped with various electronic outputs for SCADA and remote monitoring applications.
Features- AKM bellows measurement with reset-able maximum pointer
- Up to 6 fully independent and user adjustable switches (contacts) for control and alarms.
- Switches can be specified by switch type, hysteresis range, and set point, without limitation of sequential set points.
- 6 inch (150 mm) dial face with an angular dial span of 260° for maximum ease of measurement interpretation.
- Built in spring loaded pointer for switch field testing
- Improved connection ease with a greater number cable glands; 3 x M25 style and 2 x M20 style
- New and improved swing out case design allows for easy cable connection, switch configuration and testing without removal of the cover
- Standard switch rated for up to 15 Amps AC and up to 10 Amp DC, switches also available for higher Vdc (magnetic blow out, M.B.O.), and switches for milliamp loads
- Non-pressured bellows system better resists leakage when compared to bourdon tube (pressurized) style capillary thermometers
- Integrated heating element in bellows for winding temperature indication eliminates extra cost and complexity of accessories to simulate the winding
- AKM bellows system provides a 260° dial deflection (angle the pointer travels from minimum to maximum) making it easier to interpret temperature reading from a distance
- Same installation footprint and mounting options as the previous generation AKM 345
- Improved wiring installation with addition of 2 cable glands (for a total of 5) and an increase in size to 3 x M25 and 2 x M20 versus the previous generation
Specifications
Brand
Ambient Operating Temperature
- -40° to 70° C (-40° to 158° F)
- Polar Execution: -60° to 70° C (-76° to 158° F)
Cable Gland
- 3 x M25, 2 x M20
Capillary
- Copper
- Copper / Nickel with Stainless Steel Jacket
Cover
- Swing Up Cover Design, Fully Detachable, with All Captive Hardware
Dielectric Isolation
- 2,500 Vac at 50 Hz, 60 seconds, All Terminals to Ground
Enclosure
- IP55
- IP65
Housing
- Die Cast Aluminum, Polyester Powder Coat Finish
Humidity
- 95 % Non-Condensing Relative Humidity at 95° C (203° F)
Indication Accuracy
- ± 1.5 % of Full Scale
Lens
- Glass
- UV Stabilized Polycarbonate
Mounting Style
- Elastomeric Seismic Mount
- Stainless Steel Anti-Vibration Mount
Number of Switches
- 2 to 6 Switches
Optional Remote Output
- Current Loops: 0-1 or 4-20 mA
- Resistive: Pt 100 or Cu 10 ohm
- Voltage: 1-5 V
Sensor, Probe Type
- 14 mm Diameter x 156 mm Length
Shock
- 10 G’s Half-Sine, in Three Orthogonal Planes
Standard Measurement Range
- 0° to 150° C (32° to 302° F)
Storage Temperature
- 50° to 80° C (-58° to 176° F)
Surge Withstand Capability
- IEEE C37.90.1 (TD111 Output Board Only)
Switch Type
- Vacuum, Vdc, M.B.O. (Magnetic Blow Out for High DC)
Switching Accuracy
- ± 3 % of Full Scale
Switching Differential (Hysteresis)
- 10° to 14° C (50° to 57.2° F) for Most Dial Ranges
- Adjustable Differential from 5° to 25° C (41° to 77° F)
Vibration
- 50/60 Hz at 0.1 mm inch Displacement, 3-Axes
Winding Thermal Image
- Internal Winding Simulation: TD50 (up to 2.2 A CT, Max.