These resistance-type sensors are intended for contact measurements of temperatures up to 400 °C. Temperature sensors, in combination with a central holder or thermowell, can be used to measure the temperature in various applications of an industrial environment. The sensor variant with welded thread is ideal for direct measuring of mediums in ducts. Sensors meet level of protection IP 68 in accordance with EN 60529. The standard operating temperature range is -50 to 400 °C. The sensors can be utilised for any control systems that are compatible with sensing element output signals or output signals quoted in the table of sensing element types. The sensors are designed to be operated in a chemically non-aggressive environment.
PTS 44x and PTS 46x up to 400 °C with IP 68
Specification
| Sensor type with smooth stem | PTS 441 | PTS 443 | PTS 445 |
|---|---|---|---|
| Sensor type with welded-on screwed joint | PTS 461 | PTS 463 | PTS 465 |
| Type of sensing element | Pt 100 | Pt 500 | Pt 1000 |
| Measuring range B class | -50 to 400 °C | ||
| Maximum measuring DC current | 3 mA | 1.5 mA | 1 mA |
**)According to the customer‘s requirement, it is possible to provide a customized measuring range from -40 to 150 °C; the minimum span of the range must be 35 °C (e.g. -20 to 15 °C; -30 to 80 °C)
| Sensor type with smooth stem | PTS 451 | Note |
|---|---|---|
| Sensor type with welded thread | PTS 471 | |
| Type of sensing element | Pt 1000/3850 | |
| Output signal | 4 to 20 mA | |
| Measuring ranges |
-50 to 50 °C 0 to 100 °C 0 to 150 °C 0 to 200 °C 0 to 400 °C |
ambient temperature around the connection head -30 to 70 °C |
| Power supply (U) | 11 to 30 VDC | recommended value 24 VDC |
| Output signal - sensing elements break | > 25 mA | |
| Output signal - sensing element short circuit | < 3.5 mA |
| Other parameters | |
|---|---|
| Accuracy class | B class according to EN 60 751, Δt = ± (0,3 + 0,005|t|) in °C |
| Measuring error (PTS 451, PTS 471) | < 0.6 % of the measuring range, minimum 0.5 °C |
| Sensor connection | according to wiring diagram |
| Standard length of stem L1 | 50, 100, 160, 220, 280, 400 mm |
| Nominal pressure of the stem | PN 63 (with a thread) |
| Time response | τ0,5 < 9 s ( in flowing water at 0,4 m.s-1) |
| Recommended wire cross section | 0.35 to 1.5 mm2 |
| Thread types for PTS 461, PTS 463, PTS 465, PTS 471 | G 1/2"; M 20 x 1,5; M 27 x 2 |
| Insulation resistance | > 200 MΩ at 500 VDC, 25 °C ± 3 °C; humidity < 85 % |
| Ingress protection | IP 68 in accordance with EN 60 529, 5 bar/30 min |
| Material of the stem | stainless steel DIN 1.4301 |
| Material of the connection head | aluminium LIMATHERM NAA |
| Operating conditions |
|
| Weight | 0.25 kg |
* programming software is free
| MAXIMUM FLOW SPEED OF THE MEASURED MEDIUM - AIR AND WATER VAPOUR / WATER [m.s-1] | ||||
|---|---|---|---|---|
| Length of the thermowell / stem | >60 to 100 mm | >100 to 160 mm | > 160 to 220 mm | > 220 to 400 mm |
| Values for the version with thread | 15 / 1.5 | 8.0 / 1.0 | 2.5 / 0.6 | 0.6 / 0.3 |
Dimensional Draft
Wiring Diagram
