
* Special optical design on the back cover of theproduct, 360° around the visible indicator light.
* Dedicated IC, stable ultra-long detectiondistance, strong anti-interference.
* Use fold-resistant oil-resistant wire.
* The detection surface is made of oil-resistant andcorrosion-resistant materials, with superorenvronmental resistance.
Order No.:
CJUB4-8M-NAH CJUB4-8M-NBH CJUB4-8M-PAH
CJUB4-8M-PBH CJUB4-8M-DAH CJUB4-8M-DBH
| Overall dimension | ||
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| General description | ||
| Switch point function | NPNNO,NPN NC,PN PNO,PNP NC,DC NO,DC NC | |
| Rated operating distance Sn | 4mm | |
| Installation | Non-flush mounting | |
| Standard detector | 12*12*1t(Q253A) | |
| Reliable measurement distance Sa | 0...3.2mm | |
| Rated grade | ||
| Rated voltage UB | 10...30VDC | |
| Switching frequency f | 1KHz | |
| Retum range | 1-15% of detection distance | |
| Repetition accuracy | <3% of detection distance | |
| No load curent lo | <15mA | |
| Voltage drop Ud | DC three wire <2V, DC two wire < 3V | |
| Working current lL | <100mA | |
| Leakage current lr | 0...100uA | |
| Loop protection | Reverse polarity protection, output short circuit protection, surge absorption | |
| Switch status indication | Red LED indicator | |
| Surrounding environment | ||
| Environment temperature | -25°C..70°C(248.358K) | |
| Temperature effect | -Within 25ºC... 70 °C, within 10% of detection distance at+24 °C | |
| Environment humidity | 35...95%RH | |
| Influence of voltage | <3% | |
| Mechanical properties | ||
| Wiring | Connector | |
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| Shell material | Brass plated with nickel pearl | |
| Sensing surface | PBT | |
| Protection level | IP66 | |
| High pressure resistance | 1000V AC, 50/60Hz 1 minute between the whole charging part and the shell Above | |
| Insulation resistance | 50MΩ (DC 500V megger) between the whole charging part and the shell | |
| Vibration resistance | 10 ~ 55 Hz, complex amplitude 1.5mm, 2H in X, Y and Z directions | |
| Certification and Standards | ||
| Product certification | CE CCC COC ISO9001 | |
| Compliance with standards | IEC/EN 60947-5-2:2004 | |

Cheemi Technology Co., Ltd specializes in development and commercialization of monitoring & measuring solution innovation, is a leading manufacturer of electrical sensors in china, with more than 80 workers, 2200m2 workshop, 20 years experience in current measurement. There are total 4 production lines, with an annual output of 8 million pieces. Its main products include hall effect current transducers, proximity switches, temperature sensors, current transformers, ISO, CE & RoSH certificated.






All our sensors will be well packed with bubble & carton. (Bubble packing→4 small carton→1 big carton)
You can choose your own label(Screen Print or Laser Engraving).
Can be netural packing or OEM.
Shipping
Products are shipped via UPS / DHL/ FedEx / TNT, etc. (door to door), or air & sea shipment for larger qty.
L/T: 3-7 days upon receiving payment if the qty is lower than 1000PCS and it is not customized products.
Shipping via DHL. UPS. FedEx and TNT express usually takes 3~7days dependent on the destination country.

Q1:Can I get sample from you?
A:Yes,we can provide the free samples for your testing,please contact us for free and tell us which product you need.
Q2:Do you accept customization?
A:Yes,customization is acceptable,please contact our sales staffs for consult.
Q3:Can you provide help for technical issues?
A:Yes,we have more than 10 years of research and development in the electronic industry. If you need technical help in the purchase process, please feel free to contact us.
Q4 : Can I get a lower price if I order large quantities?
A : Yes,it's negotiable.
Q5: How about the quality guarantee period ?
A : Our warranty period is one year since from shipping date.
Q6: Can I add or delete items from my order if I change mind?
A : Yes, but you need to tell us asap, if your order has been done in our production line, we cannot change it.











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