JUMO contact resistance thermometer with connection cable, protective fitting aluminium (D 10 x 26 mm)
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Product information "JUMO contact resistance thermometer with connection cable, protective fitting aluminium (D 10 x 26 mm)"
Surface-Mounted Resistance Thermometer in Pt1000 with Tolerance Class B according to DIN EN 60751 for Temperature Range -50 to +180 °C
JUMO Surface-Mounted Resistance Thermometer with Connection Cable, Aluminium Protection Fitting (D 10 x 26 mm) Type: 902550/31-378-1005-1-11-2500/000
The surface-mounted resistance thermometer with aluminium protection fitting D 10 x 26 mm is suitable for indirect temperature measurement on pipes and other surfaces. Equipped with Pt1000 in a two-wire configuration, silicone connection cable and a cable length of 2500 mm, this version is particularly suitable for compact surface measurements from -50 to +180 °C.
This version is intended for indirect temperature measurement on surfaces where temperature should be measured without interfering with the medium. Therefore, the surface-mounted resistance thermometer is especially suitable for closed piping systems as well as other round or flat surfaces where quick and uncomplicated installation is required.
Technical Data
- Design: Surface-mounted resistance thermometer with connection cable
- Protection fitting: Aluminium, D 10 x 26 mm
- Sensor insert: 1× Pt1000
- Circuit type: Two-wire configuration
- Tolerance class: Class B according to DIN EN 60751
- Connection cable: Silicone
- Temperature range: -50 to +180 °C
- Connection cable end: Ferrules according to DIN 46228 Part 4
- Connection cable length: 2500 mm
- Type addition: none
Advantages and Technical Features of the Surface-Mounted Resistance Thermometer
- indirect temperature measurement without interfering with the system
- compact aluminium protection fitting D 10 x 26 mm
- well suited for round and flat surfaces
- quick and uncomplicated installation
- low thermal mass for fast temperature response
- Pt1000 sensor for compatible control and evaluation systems
- silicone connection cable for an extended temperature range
- 2500 mm connection cable for flexible installation
The aluminium protection fitting in D 10 x 26 mm makes this version particularly attractive for compact measuring points. Due to the low thermal mass and efficient heat transfer from the measuring point to the sensor, the design is intended to capture surface temperatures quickly. Especially where installation space is limited, this compact construction offers an advantage over other variants.
Temperature measurement is carried out using 1× Pt1000 in a two-wire configuration. Combined with the silicone connection cable, this version is designed for temperatures from -50 to +180 °C. This makes the variant suitable for applications where an extended temperature range is required while also using a Pt1000 signal. The 2500 mm long connection cable provides sufficient flexibility for installation and connection.
Installation is quick and uncomplicated, for example using tension straps or hose clamps. This eliminates the need for mechanical processing of the measuring point. This is particularly beneficial when retrofitting existing systems or creating an additional measuring point with minimal effort.
Since temperature is measured indirectly via the surface, measurement remains unaffected by flow conditions, pressure or chemical influences in the medium. For larger temperature differences between the measured medium and the surrounding environment, additional insulation may be useful. Optionally, thermal paste can also be applied to further improve heat transfer at the measuring point.
Typical Applications
- surface temperature measurement on closed piping systems
- temperature measurement on round surfaces
- temperature measurement on flat components
- retrofittable measuring points without mechanical processing
- indirect temperature measurement in technical systems
- applications with Pt1000 evaluation and extended temperature range
Dimensions
| Height | 2 cm |
|---|---|
| Length | 23 cm |
| Width | 20 cm |
Weight
| Weight | 20 g |
|---|
Other attributes
| Anschlussleitung | Silikon |
|---|---|
| Customs tariff number | 90251900 |
| Messeinsatz | 1x Pt 1000 Zweileiterschaltung |
| Temperaturbereich | -50°c ... +180°C |
| Technical specifications | Description |
|---|---|
| Connection | Cable ends tinned, available with ferrule terminals, plug-in sleeves or multi-pin connectors |
| connection cable |
|
| Terminal box |
|
| protective tube | Stainless steel 1.4571, aluminium, plastic |
| Gauge insert | Pt100 temperature sensor, DIN EN 60751, Class B, two-wire circuit |
| Transducer | Optional for base model 902554/44: analogue transmitter, 4 to 20 mA or 0 to 10 V |
| Characteristic | Output 4 to 20 mA | Output 0 to 10 V |
|---|---|---|
| Input | ||
| Measuring input | Pt100 (DIN EN 60751) | Pt100 (DIN EN 60751) |
| Sensor current | ≤0,5 mA | ≤0,5 mA |
| Measuring rate | Continuous measurement, due to analogue signal path. | Continuous measurement, due to analogue signal path. |
| Measuring circuit monitoring | ||
| Underrange (measuring range underrun) | decreasing down to ≤ 3,6 mA | 0 V |
| Overrange (measuring range overrun) | rising to ≥ 22 up to < 28 mA (typically 24 mA) |
rising to ≥ 11 up to < 14 V (typically 12 V) |
| Sensor short circuit | ≤ 3,6 mA | 0 V |
| Sensor and cable break | ≥ 22 to < 28 mA (typically 24 mA) | ≥ 11 to < 14 V (typically 12 V) |
| Output | ||
| Output signal | Pulsed direct current 4 to 20 mA | DC voltage 0 to 10 V |
| Transfer behaviour | temperature-linear | temperature-linear |
| Transmission accuracy | ≤ ±0,1 % | ≤ ±0,2 % |
| Attenuation of the residual ripple of a 24 V power supply, amplitude 10 V / 50 Hz, load 470 Ω / 10 MΩ load | 37 dB | 40 dB |
| Load (Rb) | Rb = (Ub - 7,5 V) ÷ 22 mA | - |
| Load effect | ≤ ±0,02 % / 100 Ωa | - |
| Load / Load Influence | - | ≥ 10 kΩ / ≤ ±0,1 % |
| Settling time after temperature change | ≤ 10 ms | ≤ 10 ms |
| Calibration conditions | DC 24 V / approx. 22 °C | DC 24 V / approx. 22 °C |
| Calibration accuracy | ≤ ±0,2 %a,b or ≤ ±0,2 K | ≤ ±0,2 %a,b or ≤ ±0,2 K |
| Overall sensor accuracy/Calibration | ±0,4 K (typical) at 20 °C / 24 V Power supply |
±0,4 K (typical) at 20 °C / 24 V Power supply |
| Power supply | ||
| Power supply (Ub) | DC 7,5 at 30 V | DC 15 at 30 V |
| Reverse polarity protection | yes | yes |
| Power supply influence | ≤ ±0,01 %/V Deviation from 24 Va | ≤ ±0,01 %/V Deviation from 24 Va |
| Environmental influences | ||
| Operating temperature range | -40 to +85 °C | -40 to +85 °C |
| Lagertemperaturbereich | -40 to +100 °C | -40 to +100 °C |
| Temperature influence | ≤ ±0,01 %/K deviation from 22 °C a | ≤ ±0,01 %/K deviation from 22 °C a |
| Climatic resistance similar to DIN EN 60654 class C1 |
relative humidity ≤ 95% annual average without condensation | relative humidity ≤ 95% annual average without condensation |
| EMC emissions and immunity | EN 61326 class B, industrial requirements | EN 61326 class B, industrial requirements |
a All specifications refer to the full-scale value of 20 mA.
b The higher value applies.
| Certification marks | Testing body | Certificate / test number | Basis for audit | Applies to |
|---|---|---|---|---|
|
SIL QUALIFIED PL QUALIFIED |
– | – | – |
Type suffix 058 in conjunction with the manufacturer's declaration |