Duct temperature probe


The PTT-322 direct output, temperature sensor used to measure air temperature in ducts. Units contain either a high quality thermistor, nickel or platinum sensing element.

The sensing element is fi tted into a stainless steel probe. A flange plate is available for adjustment of penetration depth (order as PTT-DFP).


- IP65 Protection Index
- Wide range of types of sensing elements
- Stainless steel probe
- Lengths of optional probes, 65, 150 and 250 mm


- Hinged lid with tamper proof facility
- Sensor consistency with other Priac products


Outputs types: Thermistor resistive
  Current 4 to 20 mA
  Voltage 0 to 10Vdc
Probe: Material Stainless steel
  Dimensions 150mm or 250 mm x 6mm dia.
Caixa: Material ABS (flame retardant)
  Dimensions 74 x 70 x 50 mm
Ambient range: -30 to +70 ° C (-22 to 158 ° F)
Protection: IP65
Weight: 160 g


Models & Accessories
Passive Output
PTT-322-A10K3A1, Trend, Seachange, Cylon, Distech
PTT-322-B10K4A1, Andover
PTT-322-C20K6A1, Honeywell
PTT-322-DPT100A, Serck
PTT-322-EPT1000A, Cylon
PTT-322-FNi1000A, Sauter
PTT-322-GNi1000A/TCR (LAN1), Siemens
PTT-322-HSAT1, Satchwell
PTT-322-KSAT1, Landis & Staefa
PTT-322-M2,2K3A1, Johnson Controls
PTT-322-N3K3A1, Alerton
PTT-322-P30K6A1, Drayton
PTT-322-Q50K6A1, Ambiflex
PTT-322-R100K6A1, York > 40ºC
PTT-322-SSAT2, Satchwell
PTT-322-TSAT3, Satchwell
PTT-322-WSIE1, Siebe
PTT-322-YSTA2, Landis & Staefa
PTT-322-Z10K NTC, Carel
PTT-322-DCDelta Controls
Active Output
PTT-322-CVO4-20mA/0-10 Vdc selectable output,
Output ranges:
0 to + 40 ° C or
-10 to 110º C
PTT-322-CVO-C4-20mA/0-10 Vdc selectable output,
Specific calibration in the range of:
-30 to 70º C
-250Probe 250mm long
-65Probe 65mm long
PTT-DFPDuct Flange Plate to suit 6mm Probe

Ficha Técnica

To download the product datasheet, please click the links below:

Pulpit rock
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