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B-type junction box thermal resistor
■ Temperature measurement range -50~600 ℃ ■ Can provide single or double thermal resistors ■ Multiple process connection methods are available to meet
Product details
Product Application
■ Refrigeration unit
Heating device
■ Cooling system
Air conditioning systems (HAVC) for industries such as power, metallurgy, glass, chemical, rubber, and textiles
Technical data
| insulation resistance | When the ambient temperature is within the range of (15-35) ℃ |
| When the relative humidity is less than 80% | |
| The insulation resistance value of platinum resistance should be greater than 100M Ω | |
| Self heating effect | Thermal resistance allows a maximum measured current of 2-5mA |
| The resulting temperature rise shall not exceed 0.3 ℃ | |
| extension tube | Stainless steel, length 130mm |
| Deep placement | ≥100mm， Excluding special products |
| process connection | Stainless steel, threaded/flange |
| protective tube | Stainless steel, 6mm, 8mm, 10mm, 12mm, 16mm, 20mm |
| response time | t0.5，10s～120s |
| accuracy class | Pt100, Class A: ± (0.15+0.002 | t |) |
| Grade B: ± (0.30+0.005 | t |) | t | | |
| The absolute value of the measured temperature for the temperature sensing element | |
| junction box | Cast aluminum casing, outlet thread M20 * 1.5, IP65 |
| transmitter | Analog output 4-20mA (see data sheet 7401) |
| wiring method | Two wire system, three wire system, four wire system |
Instructions
·The standard material for protective tubes, extension tubes, and process connections is stainless steel 1.4301. For other stainless steel materials, please consult our sales staff and indicate them when selecting;
·For special ranges or the use of other temperature sensing components such as Pt500, Pt1000, etc., please consult our sales personnel and specify when selecting;
·When choosing a module with a temperature transmitter, please indicate the temperature range of the transmitter. We will help you set it up together when it leaves the factory;
·The process connection is a flange connection. Please provide flange drawings and relevant standards.
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