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Industrial explosion-proof thermistor
■ Temperature measurement range -50~600 ℃ ■ Can provide intrinsically safe explosion-proof and explosion-proof products ■ Complies with GB3836.1-2000,
Product details
Product Application
■ Pharmaceutical Machinery
Chemical industry
■ Refrigeration equipment
Natural gas
Pump manufacturing in industries such as pharmaceuticals, food, electricity, metallurgy, glass, chemicals, 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 |
| Minimum depth of placement | ≥100mm， Excluding special products |
| process connection | Stainless steel, thread/chuck/sheath/flange |
| Protection tube | Stainless steel/titanium/tantalum/Hastelloy/PTFE/wear-resistant materials |
| 8mm，10mm，12mm，16mm | |
| response time | t0.5，10s～120s |
| accuracy class | Pt100, Class A: ± (0.15+0.002 | t |) |
| Grade B: ± (0.30+0.005 | t |) | |
| | t | "is the absolute value of the measured temperature of the temperature sensing element | |
| Junction box | B-type junction box, explosion-proof junction box |
| IP65 (GB4208-1993 standard) | |
| Transmitter | Analog output 4-20mA (see data sheet 7401) |
| wiring method | Two wire system, three wire system, four wire system |
| 防爆形式 | Intrinsic safety type: ia |
| Explosion proof type: d | |
| Explosion proof level group | Ex ia ⅡCT6 |
| Ex d ⅡCT6 | |
| Explosion proof electrical equipment marking GB3836-2000 standard | |
| Equipment category | Class I refers to electrical equipment used underground in coal mines |
| Class II refers to electrical equipment used in factories | |
| Explosion-proof rating | A. Strength or weakness of explosion-proof capability for Class II electrical equipment with levels B and C |
| Temperature Class | Six groups of T1 to T6, the maximum allowable surface temperature of the equipment |
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 staff and indicate 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;
·The standard form of the junction box is B-type. For other types of junction boxes, please consult our sales personnel and indicate when selecting.
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