The Honeywell HST-P Series immersion temperature sensors are categorized using a nomenclature system based on Sensing Element (Output Signal) and Probe Insertion Depth.
Below is the model naming breakdown and the main available models in the series:
Nomenclature Rule: HST - P [X] [Y]
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[X]Sensing Element / Output Signal:-
A: NTC 10K
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B: NTC 20K
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P: Pt1000
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U: 0–10 V DC transmitter
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I: 4–20 mA transmitter
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[Y]Insertion Depth:-
2: 65 mm
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4: 102 mm (e.g., HST-PP4)
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6: 152 mm
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9: 300 mm
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Main Models in the HST-P Series
1. Passive Resistance Output Models
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Pt1000 Models
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HST-PP2: Pt1000, 65 mm
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HST-PP4: Pt1000, 102 mm
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HST-PP6: Pt1000, 152 mm
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HST-PP9: Pt1000, 300 mm
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NTC 10K Models
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HST-PA2: NTC 10K, 65 mm
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HST-PA4: NTC 10K, 102 mm
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HST-PA6: NTC 10K, 152 mm
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HST-PA9: NTC 10K, 300 mm
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NTC 20K Models
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HST-PB2: NTC 20K, 65 mm
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HST-PB4: NTC 20K, 102 mm
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HST-PB6: NTC 20K, 152 mm
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HST-PB9: NTC 20K, 300 mm
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2. Active Transmitter Models (Built-in Signal Converter)
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0–10 V Voltage Output
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HST-PU2: 0–10 V, 65 mm
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HST-PU4: 0–10 V, 102 mm
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HST-PU6: 0–10 V, 152 mm
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HST-PU9: 0–10 V, 300 mm
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4–20 mA Current Output
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HST-PI2: 4–20 mA, 65 mm
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HST-PI4: 4–20 mA, 102 mm
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HST-PI6: 4–20 mA, 152 mm
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HST-PI9: 4–20 mA, 300 mm
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