ST-A3 | Kele | Temperature Sensors & Transmitters

Accuracy: ±0.36°F (0.2°C)

Thermistor: ±0.36°F (0.2°C)

RTD:

Type 63: ±0.72°F (0.40°C)

Type 71: +/-0.0774°F (0.043°C)

Type 81, 85: ±0.27°F (0.15°C)

Type 91: ±0.54°F (0.30°C)

Sensor Type:

Thermistor: 2.252 kΩ, 3 kΩ, 10 kΩ Type II, III & III w/11K shunt, 20 kΩ, 100 kΩ

RTD:

Type 63: 1000Ω Nickel

Type 71, 81: 100Ω Pt 385 Curve

Type 85: 1000Ω Pt 385 Curve

Type 91: 1000Ω Pt 375 Curve

Temperature Range:

Thermistor/RTD: -40° to 221°F (-40° to 105°C)

Temperature Coefficient:

Thermistor: Negative temperature coefficient

RTD: Positive temperature coefficient

Temperature Stability:

Thermistor: 0.24°F (0.13°C) over five years

RTD: Max 0.04% after 1k hours @ 500 °F

Heat Dissipation: 2.7 mW/°C (power needed to raise the temperature by 1°C)

Mounting: Directly to duct, wall, or customer supplied back box, no adapters needed for standard boxes

Wiring Terminations: 8' (2.4m) of 24 AWG pigtails with pre-stripped ends, type 71 & 81 have 18" leads

Weight: 0.2 lb (0.09 Kg) w/o options

Approvals: CE

Warranty: Lifetime