Quality Inspection for JWAT103 Waterproof Telephone – Public Switched Telephone Keypad
Quality Inspection for JWAT103 Waterproof Telephone – Public Switched Telephone Keypad Detail:
Application |
1.Widely used in the place of water proof, moisture proof, fire proof, anti-noise, dust proof, antifreeze, such as subway, highways, power plants, gas stations, docks, steel companies, etc. 2.For high-noise places. | |
Technical Parameter |
Operating Voltage |
DC48V |
Standby operating current |
≤0.2A |
|
Frequency response |
250~3000 Hz |
|
Defend Grade |
IP68 |
|
Corrosion Grade |
WF1 |
|
Ambient Temperature |
-40~+60℃ |
|
Atmospheric Pressure |
80~110KPa |
|
Relative Humidity |
≤95% |
|
Lead Hole |
1-PG11” |
|
Weight |
8KG |
|
Lights flicker frequency |
1Hz |
|
Using Method |
1. The caller takes the handset off hook, dial the callee’s telephone number → callee’s telephone rings. 2. The callee hears ringing → pick up the handset to answer the call, both sides under normal conversation. 3. At the end of the call, hang back the handset. 4. The caller takes the handset off hook, press “R” key to redial. |
|
Package |
1 unit per carton; Carton Size:44x32x27cm |
|
Warranty |
Under normal use, non-human damage, free one-year warranty; |
Product detail pictures:

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