Instrument and Meter Manufacturer
LFW20 Armored Temperature Transmitter
PRODUCT FEATURES
Description
LFW20 series temperature transmitter adopts high-precision platinum resistance,the probe rod is made of 304 stainless steelintegrated processing,with strong corrosion resistance and excellent mechanical properties,can work stably for a long time.Avariety of installtion options,suitable fordifferent working conditions,widely used in petroleum,chemical,heaing,hydrology,HVAC and othe industrial site temperature measurement.
Specification
| Measuring medium | Liquid orgas,etc. (compatible with contact materials) |
| Measuring range | -50~300℃(see range parameter selection table for details) |
| Output signal | 4~20mA/0-10V/RS485/PT100/PT1000 |
| Supply voltage | 15~35VDC |
| Accuracy | 0.25%FS、0.5%FS |
| Working environment | -40~85℃、0~95%RH(No condensation) |
| Housing material | Die-cast aluminum housing、304 stainless steel probe rod and casing |
| Protection level | IP65.Note:this protection level refers to the level achieved after the electrical connection is complete |
Product Selection
| Code and description | Remark | ||||||||||||||||||||
| LFW20 | Armored Temperature Transmitter | Model | |||||||||||||||||||
| A4 | 4~20mA(2-wired) | 0 | PT100,±0.2℃@0℃ | Temperature Output | |||||||||||||||||
| V10 | 0-10V (3-wired) | 1 | PT1000,±0.2℃@0℃ | ||||||||||||||||||
| RS | RS485/Modbus | ||||||||||||||||||||
| 25 | 0.25%FS | Accuracy | |||||||||||||||||||
| 50 | 0.5%FS | ||||||||||||||||||||
| 0 | 0~100℃ | Temperature Range | |||||||||||||||||||
| 1 | 0~200℃(with cold end) | ||||||||||||||||||||
| 2 | 0~300℃(with cold end) | ||||||||||||||||||||
| 3 | -50~150℃(with cold end) | ||||||||||||||||||||
| 4 | -50~300℃(with cold end) | ||||||||||||||||||||
| X | Customized(temperature range-50~300℃) | ||||||||||||||||||||
| 0 | Water-proof | Wiring Box | |||||||||||||||||||
| G2 | G1/2 male(fixed thread installation) | Sleeved Type | Installation Method | ||||||||||||||||||
| G4 | G1/4 male (fixed thread installation) | ||||||||||||||||||||
| M16 | M16*1.5 male(fixed thread installation) | ||||||||||||||||||||
| M20 | M20*1.5 male(fixed thread installation) | ||||||||||||||||||||
| M27 | M27*2 male(fixed thread installation) | ||||||||||||||||||||
| K | Clamp(50.5MM) | ||||||||||||||||||||
| Z | Direct Insert Type | ||||||||||||||||||||
| 0 | With | Protective tube | |||||||||||||||||||
| 1 | Without | ||||||||||||||||||||
| L30 | 30mm | Sleeved Type | Probe length (without thread) | ||||||||||||||||||
| L50 | 50mm | ||||||||||||||||||||
| L100 | 100mm | ||||||||||||||||||||
| L150 | 150mm | ||||||||||||||||||||
| L200 | 200mm | ||||||||||||||||||||
| L300 | 300mm | ||||||||||||||||||||
| X | customized | ||||||||||||||||||||
| L130 | 130mm | Direct Insert Type | |||||||||||||||||||
| L200 | 200mm | ||||||||||||||||||||
| L250 | 250mm | ||||||||||||||||||||
| L300 | 300mm | ||||||||||||||||||||
| L400 | 400mm | ||||||||||||||||||||
| X | Customized | ||||||||||||||||||||
| 0 | Without cold end(15mm) | Code End | |||||||||||||||||||
| 1 | Cold end length 100mm | ||||||||||||||||||||
| X | Customized | ||||||||||||||||||||
LFW20 A4 50 1 0 G2 0 L100 1 | Model Selection Example | ||||||||||||||||||||
1.LFW20-A4-50-1-0-G2-0-L100-1 represents an armored temperaturetransmitter;output 4-20mA;acouracy 0.5%FS;temperaturerange 0-200°℃(cold end required);junction box form is waterproof;instalation method is G1/2 external thread(fixed thread installation);no protective sleeve;probe length 100mm;coldend length 100mm.
2.When selecting the installation method and probe length,the selection should be consistent with sleeved type or direct insert type.
3.The operating temperatue without cold end should be≤120℃;when the operating temperature is>120℃,you are advised toincrease the length of the cold end
4.Protection sleeve parameters:diameter 10mm,mounting thread G1/2 male,length matching the length o the probe.
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