B-type mine intrinsically safe explosion-proof telephone
Call: After the calling party picks up the phone and the working indicator light is on, press the called user's number, and the called user will be in ringing state and < br/>
There is a flashing light indicator, and the calling party can also hear the ringing tone of the called party's phone from the receiver.
Call: After the called party receives the ring tone or flashing light signal, it is convenient for work to pick up the phone and talk between the two parties. At this time, the indicator light is always on.
Both parties can hang up after the call. At this time the indicator light goes out.
Group call: If the calling user needs to contact multiple users, he can dial several user phone numbers continuously after picking up the phone. Several phones can ring and flash the indicator light at the same time
The called party can pick up the phone to realize a group call.
Number change: The phone number is set by the company when it leaves the factory. If the user needs to change the phone number, just open the back cover of the phone
There are * digital wiring on the circuit board, select Just the number you need.
Operating environment conditions:
Operating ambient temperature: ℃+℃
Operating relative temperature % (+℃)
Using atmospheric pressure
Using environmental noise B
Jining Hengwang Industrial and Mining Machinery Co., Ltd. mainly produces the following products: start and stop sensors, smoke sensors,
/ High and low concentration methane sensors, carbon monoxide sensors, R carbon dioxide sensor deviation Sensors,
deviation switches, speed sensors, temperature sensors, intrinsically safe infrared temperature sensors, start and stop sensors
chemical oxygen self-rescuers, pressure air self-rescuers, positive pressure Oxygen respirator,
Negative pressure oxygen respirator, B portable methane detection alarm
Price is favorable, customers are welcome to inquire and purchase! ! ! (_)
Telephone:
Fax:
Mobile:
Manager: Han Ting
:
Email: @< br/> Website: :
:
Shandong Jining Hengwang Industrial and Mining Machinery Co., Ltd.
HBZ (G) K-1 type mine intrinsically safe explosion-proof telephone