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| | | Custom Design Options | | |
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| | | Integrating sensors into heaters simplifies your assembly operations by providing a gradient-free system with excellent temperature control. The sensor sits in a window of the heating element. It reacts to temperature changes in the component beneath the heater, yet remains close to the heating element itself. This tight coupling of heater, sensor, and heat sink can greatly improve heating control and accuracy. Types of sensors used in heater/sensors_ | | |
| | | Sensors can be electrically connected via leadwires or flex circuitry. Most heater/sensors are custom designed. Minco recommends prototyping with standard heaters and Thermal-Ribbon™ sensors. Get more information on Thermal-Ribbon sensors in the "Sensors, Controllers & Accessories" section. | | |
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| | | Description | | Features | | Options | | |
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| | | Surface Mount RTDs and Thermistors Miniature sensors mounted via surface mount technology | | Low installed costs Geared for medium to high volumes Fast time response Stable and accurate | | |
| | | Sizes: 0805, 0603, 0402 RTD:100fi and 1Kfi platinum; ±0.06% or ± 0.12% at 0°C (DIN class A or B) Thermistor: 10Kfi and 50Kfi ; ±1% at 25°C | | |
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| | | Thin-film RTDs Small ceramic elements laminated inside the heater or located on top | | Highly stable and accurate Standardized output Low cost Tight resistance tolerance | | Platinum, 0.00385 TCR 100 to 10,000 fi Wire leads or SMT 0.12% or 0.06% tolerance | | |
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| | | Can average temperatures along length of sensor Any resistance possible | | Platinum, nickel, nickel-iron | | |
| | | Strip-wound RTD Sensing wire wound around a flexible insulating strip and encapsulated inside heater | | |
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| | | Flat-wound RTD Sensing wire laid in a predetermined pattern in a single plane | | Platinum, nickel, nickel-iron Uniform or profiled | | |
| | | Fast response (0.1 sec.) Can average temperatures along length of sensor | | |
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| | | Etched RTD Heater and RTD etched from same temperature sensitive foil | | Lowest cost Fast response Can average temperatures along length of sensor | | Nickel or nickel-iron | | |
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| | | Thermistor Bare or coated bead embedded in heater or placed on top and covered with epoxy | | High sensitivity Low to moderate cost | | |
| | | NTC or PTC Variety of resistances Bead or SMT | | |
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| | | Minimal space required Rugged Construction Wide temperature range | | |
| | | Junction of dissimilar metals laminated inside heater | | | Wire or foil E, J, K, or T standard | | |
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| | | | | No external controller Low system cost | | |
| | | Snap action or creep action Specify setpoint Wired/mounted to heater See thermostat options on page 57 | | |
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| | | Specifications subject to change | | |
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| | | Access: Minco Sal es and Support | | |
| | | Americas: 763.571.3121 | Europe: (33) 5 61 03 24 01 | Asia Pacific: (65) 6511 3388 | | |
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