This product is a smart home security alarm system, which combines home security, healthy life and elderly care. It transmits alarm information through dual network of Wi-Fi and GSM, simple, safe and fast. Bluetooth network configuration, faster and more stable! Wherever you are in office, or on a business trip at abroad, it is with you. You could know the status of your smart intruder alarm system, monitoring whatâ??s happening in the house, keep close to your parents, even whatâ??s the humidity and temperature indoor and outdoor. It make you enjoy a safe and smart life. Features are as follows: (1) APP supports Apple and Android systems. (2) Bluetooth network configuration, faster and more stable! (3) There is no limit to the number of alarm hosts that can be bound to each smartphone; each user of the alarm host can log in through administrator or general member mode, of which the administrator is limited to one person and the number of general members is unlimited. (4) Can set 5 groups of SMS alarm numbers and 5 groups of phone alarm numbers. (5) Supports 99 wireless defense zones, 30 fire defense zones, 8 emergency call defense zones, 8 medical rescue defense zones, 4 water leakage defense zones, and can be equipped with 20 remote controllers or access control keypads (the remote controller can also be used for emergency alarm); 4 wireless sirens can be configured. (6) Scan the QR code to add wireless accessories to the host, accurate, convenient and fast. (7) The default setting includes seven languages and voice switching (Chinese, English, Russian, Spanish, French, German, Italian). (8) Two-way intercom function; (9) Timed arming, timed disarming and timed stay function (each timer can be set for three groups of time); (10) WIFI failure and telephone network failure prompt function; (11) Door and window open reminder function; (12) Detector low battery prompt function, detector offline prompt function (13) Supports delayed alarm function, delayed arming and delayed disarming function (0-99 seconds optional); (14) When the host alarms, the srien sounding time can be selected (0-254 seconds or always sounding); (15) In addition to the APP, you can also remotely control the arming and disarming of the host by SMS or dial buttons during a phone call; (16) The host has the function of staying on defense (only valid for intrusion defense zones 1-99); (17) Can record 10 seconds of alarm voice; (18) External power failure/recovery alarm function (optional to turn on or off); (19) Remote arm/disarm siren sound prompt function (optional to turn on or off); (20) Remote controller arm/disarm SMS reminder function (optional to turn on or off); (21) Door and window opening/closing reminder function in disarmed state (optional to turn on or off).
Arm seal kit also know as arm cylinder seal kit.The china arm seal kit introduce know is used on the arm hydraulic cylinder of excavator,Mainly used to prevent hydraulic oil leakage and ensure that the middle arm can be used normally. Types of Arm Cylinder Seal Kit 14512950 14589140 Arm Cylinder Seal Kit Fits EC360 Excavator 707-99-67110 Arm Cylinder Seal Kit Fits PC300-5 Excavator Why Choose Sanping Arm Cylinder Seal Kit? Versatility: Arm cylinder seal kits are available in a variety of sizes and shapes, allowing them to be used in a variety of applications. Cost: Arm cylinder seal kits are generally less expensive than other sealing solutions, making them a more affordable option. Maintenance: Arm cylinder seal kits are easy to maintain, increasing the life of the seal. Arm Cylinder Seal Kit FAQs How Does Arm Cylinder Seal Kit Work? Air arms s410 seal kit are composed of two main components: the seal itself and the seal housing. The seal is made from a rubber material and is usually shaped in an oval or circular shape. The seal housing is a metal cylinder that is attached to the arm or shaft of the device. When the arm is turned, the seal is compressed against the sides of the housing, creating a seal that prevents air, liquids, or other materials from entering or leaking out. The seal also prevents dirt, dust, and other particles from entering the device. What is a Cylinder Seal Kit? A cylinder seal kit is a set of seals that are used to seal the connection between the cylinder and the piston in an engine or other mechanical apparatus. If you are looking for a reliable arm seal kit factory, don't hesitate to contact us! Contact us to buy china machinery spare parts.
As a leading company in high-purity acetonitrile, ZHONGHUI Chemical is committed to providing customers with high-purity solvent full value chain services, allowing you to better control costs, stabilize supply, control quality, dispose of waste liquid, and use solvents without worry! Product name Acetonitrile Production method synthetic acetonitrile Molecular formula C2H3N Cas number 75-05-8 Appearance and properties colorless liquid with pungent odor. Molecular weight 41.06 Melting point () -45 Boiling point () 82 Relative density 0.786 (25, 100kPa) Critical pressure (MPa) 4.83 Relative vapor density 1.42 Refractive index 1.3441 Flash point () 6 Solubility miscible with water, soluble in most organic solvents such as ethanol and ether Other Toxic, flammable, bright flame when burning. Product quality index Industry standard (SH/T1627.1-1996), ZHONGHUI Chemical Enterprise Standard (ZH/S01.1-2013) Security Information Storage precautions: Store in a cool, ventilated warehouse. Keep away from fire and heat sources. The storage temperature should not exceed 30°C. Keep the container tightly closed. It should be stored separately from oxidizers, reducing agents, acids, alkalis, combustibles, and edible chemicals, and avoid mixed storage. Use explosion-proof lighting and ventilation facilities. It is forbidden to use mechanical equipment and tools that are prone to sparks. The storage area should be equipped with leakage emergency treatment equipment and suitable storage materials. Application The main purpose of acetonitrile is as a solvent. For example, as a solvent for extracting butadiene, a solvent for synthetic fibers and a solvent for some special coatings. Used in the petroleum industry to remove tar, phenol and other solvents from petroleum hydrocarbons. In the oil industry, it is used as a solvent for extracting fatty acids from animal and vegetable oils, and as a reaction medium for the recrystallization of steroid drugs in medicine. When a polar solvent with a high dielectric constant is required, a binary azeotropic mixture of acetonitrile and water is often used. Acetonitrile is an intermediate of medicine (vitamin B1) and spices, and a raw material for the manufacture of s-triazine nitrogen fertilizer synergist. It is also used as a denaturant for alcohol. In addition, it can also be used to synthesize ethylamine, acetic acid, etc., and also have many uses in textile dyeing and electronics industry. Acetonitrile is also used as a mobile phase solvent in analytical equipment such as chromatography.
