

STI1-11: Immersion Water
Temperature Sensor
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10KΩ Type III Thermistor
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Immersion type temperature sensor
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High accuracy and stability
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Fast thermal response
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Double encapsulation sensor eliminates
moisture infiltration
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Machined 5 Brass thermowell
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ABS plastic enclosure
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Quick snap latch
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Hinged cover without screws
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Includes 316 stainless steel 3/4" x 1/2" t-
tap fitting
nep t r on i c . com
SensorsSTR1: Wall Mount
Temperature Sensor
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Available with 10KΩ or 3.3KΩ thermistor
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High accuracy and stability
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Negative Temperature Coefficient (NTC)
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Compatible with Neptronic products
STC8: Duct Mount
Temperature Sensor
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High accuracy and stability
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Fast thermal response
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Epoxy encapsulated sensor
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Extended durability
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Resistor/Temperature Curve
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“G” matched (STC8-11, 10KΩ)
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“A” matched (STC8-13, 3.3 KΩ)
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Compatible with Neptronic controllers,
such as TRO, TFC, EFC and EVC
STS3: Wall Mount Thermostat
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Built-in temperature sensor
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Adjustable setpoint with mechanical lock
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Sensor type: 10KΩ or 3.3KΩ
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Scale: Celsius or Fahrenheit
ITO3: Wall Mount
Setpoint Station
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Adjustable setpoint with mechanical lock
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Scale: Celsius or Fahrenheit
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Compatible with STC8-13 duct mounted
temperature sensor in installations with
Neptronic series duct heaters
OTW / SHW: Window
Temperature Sensor
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10KΩ (SHW0-11) or 3.3KΩ (OTW)
temperature sensor
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Self adhesive: sticks directly on window
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SHW0-11 compatible with HROB20
humidistats
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OTW compatible with SKR humidifiers
STP: Strap-On Water Temperature
Sensor
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10KΩ Type III Thermistor
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Designed for fan coil 2 pipe changeover
applications
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High accuracy and interchangeability over a
wide temperature range
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Sensor's higher resistance output compares
to platinum Resistance Temperature
Detectors (RTD)
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Sensitive to non-polarity
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Temperature range: -40°C to 150°C (-40°F to
302°F)
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Zinc-plated steel enclosure (STP7-11) or
ABS plastic enclosure (STP1-11)
OTW
3.3KΩ
SHW0
10KΩ
STC8-11
10KΩ
STC8-13
3.3KΩ
STC80X
Analog
STP7-11
Metal
STP1-11
Plastic
STS3-11F 10KΩ °F
STS3-11C 10KΩ °C
STS3-13F 3.3KΩ °F
STS3-13C 3.3KΩ °C
STR1-11
10KΩ
STR1-13
3.3KΩ
ITO3-F
˚F
ITO3-C
˚C
STI1-11
10KΩ