• Phone, Explosion Proof, Ring Detect Relay

    • ASIN: B00CGVZMYU
    • UPC: 094721741601

  • SZYT Cylinder leak detector Engine leak detection instrument kit

    Features: - Designed to detect a variety of common engine faults including: worn piston rings, worn valves, cracks in cylinder walls and blown head gaskets - Equipped with 2 pressure gauges for proper leakage test and accurate results - Suitable for use on any petrol engine with 14mm or 12mm spark plugs - Supplied in carry-case with instructions Package weight: 1.594 kg Package Size(L x W x H): 34.00 x 27.00 x 8.00 cm / 13.39 x 10.63 x 3.15 inches Package Contents: 1 x Cylinder Leakage Tester, 1 x Tube, 2 x Screw, 1 x English Manual

    • Color: Red
    • Brand: SZYT
    • ASIN: B07D3P7FZK
    • UPC: 603986107710

  • Viking Electronics VK-LDB-3 Loop and Ring Detector Board

    - Viking Advanced Loop Detector loop detect board for ring and line "in use" contact closures- Provide a contact closure during ringing and/or off-hook- Monitors an analog phone line for ringing or an off hook condition- A built-in relay can be activated when either of these conditions are detected- This is ideal for monitoring line status or for providing a visual indication of such- Disable input is ideal for two-button emergency phones such as Viking's E-1600-20A allowing "Info" button calls to be placed without activating the relay (turning on the emergency strobe light camera etc.)- 3 DIP switches are provided for turning ring detection on or off off-hook loop detection on or off and for selecting a ring cadence mode which allows the relay to follow ringing or to remain activated during the off time of standard ring cadence- Complete with a 12 VDC power adapter- Can also provide switched 12VDC .35 Amp output to power external lights etc. during ringing and/or off-hook conditions- Applications: control a strobe or beacon light for ring indication provide relay closures on off-hook trigger a security camera trigger a tape recorder phone "in use" indicator- Detects ring voltage and off hook loop current- On/off switches for ring detection and off hook/loop detection- Screw term...

    • Brand: Viking Electronics
    • ASIN: B00GTYKML8
    • UPC: 168141412578

  • Viking Electronics LDB-3 Loop And Ring Detector Board

    - Viking Advanced Loop Detector loop detect board for ring and line "in use" contact closures- Provide a contact closure during ringing and/or off-hook- Monitors an analog phone line for ringing or an off hook condition- A built-in relay can be activated when either of these conditions are detected- This is ideal for monitoring line status or for providing a visual indication of such- Disable input is ideal for two-button emergency phones such as Viking's E-1600-20A allowing "Info" button calls to be placed without activating the relay (turning on the emergency strobe light camera etc.)- 3 DIP switches are provided for turning ring detection on or off off-hook loop detection on or off and for selecting a ring cadence mode which allows the relay to follow ringing or to remain activated during the off time of standard ring cadence- Complete with a 12 VDC power adapter- Can also provide switched 12VDC .35 Amp output to power external lights etc. during ringing and/or off-hook conditions- Applications: control a strobe or beacon light for ring indication provide relay closures on off-hook trigger a security camera trigger a tape recorder phone "in use" indicator- Detects ring voltage and off hook loop current- On/off switches for ring detection and off hook/loop detection- Screw term...

    • Brand: Viking Electronics
    • ASIN: B00KRJFMWA
    • UPC: 012302179148

  • Hazardous Area Telephone – ATEX Zone 1 Zone 21 - 24-56V DC

    Made in the USA The Larson Electronics ATEX-EPPH-229AH is an ATEX Zone 1 Zone 21 approved telephone designed for use in hazardous work areas such as chemical plants oil refineries off-shore rigs and settings where combustible gases or dust may be present. This IP66 hazardous area telephone has a programmable keypad pulse dialing reciever volume control and is hearing-aid compatible. The telephone oerates on 24-56V DC. This hazardous area telephone can operate in temperatures ranging between -30C and +60C making it suitable for subzero environments. The housing is IP66 rated and is constructed of static dissipative high impact thermoset industrial compound. The unit includes corrosion resistant hardware and a urethane coated watertight silcon keypad. The telephone weighs roughly 9 pounds and is 11.4 long x 9.6 wide x 5.8 tall. The G style handset features a noise-cancelling microphone as well as robust volume control. An armored cord can be found on the device for extended usage and the keypad is urethance coated with watertight silicon. This hazardous area phone has a handset and hands-free speaker mode. A self-resetting fuse prevents damage to the electronic circuits if a high voltage spike occurs. This telephone supports 24-56V DC with a built-in ring detect relay to swithc up ...

    • Brand: Larson Electronics
    • ASIN: B07CQDGDTH

  • Loop and Ring Detector Board Loop and Ring Detector Board

    - Viking Advanced Loop Detector loop detect board for ring and line "in use" contact closures- Provide a contact closure during ringing and/or off-hook- Monitors an analog phone line for ringing or an off hook condition- A built-in relay can be activated when either of these conditions are detected- This is ideal for monitoring line status or for providing a visual indication of such- Disable input is ideal for two-button emergency phones such as Viking's E-1600-20A allowing "Info" button calls to be placed without activating the relay (turning on the emergency strobe light camera etc.)- 3 DIP switches are provided for turning ring detection on or off off-hook loop detection on or off and for selecting a ring cadence mode which allows the relay to follow ringing or to remain activated during the off time of standard ring cadence- Complete with a 12 VDC power adapter- Can also provide switched 12VDC .35 Amp output to power external lights etc. during ringing and/or off-hook conditions- Applications: control a strobe or beacon light for ring indication provide relay closures on off-hook trigger a security camera trigger a tape recorder phone "in use" indicator- Detects ring voltage and off hook loop current- On/off switches for ring detection and off hook/loop detection- Screw term...

    • Brand: Viking Electronics
    • ASIN: B00E2BS4D8
    • UPC: 069060014624

  • New Viking Electronics Loop And Ring Detector Board Wall Mountable AC/DC Power Adapter Phones

    - Viking Advanced Loop Detector loop detect board for ring and line "in use" contact closures- Provide a contact closure during ringing and/or off-hook- Monitors an analog phone line for ringing or an off hook condition- A built-in relay can be activated when either of these conditions are detected- This is ideal for monitoring line status or for providing a visual indication of such- Disable input is ideal for two-button emergency phones such as Viking's E-1600-20A allowing "Info" button calls to be placed without activating the relay (turning on the emergency strobe light camera etc.)- 3 DIP switches are provided for turning ring detection on or off off-hook loop detection on or off and for selecting a ring cadence mode which allows the relay to follow ringing or to remain activated during the off time of standard ring cadence- Complete with a 12 VDC power adapter- Can also provide switched 12VDC .35 Amp output to power external lights etc. during ringing and/or off-hook conditions- Applications: control a strobe or beacon light for ring indication provide relay closures on off-hook trigger a security camera trigger a tape recorder phone "in use" indicator- Detects ring voltage and off hook loop current- On/off switches for ring detection and off hook/loop detection- Screw term...

    • Brand: Viking
    • ASIN: B001EKS9WG
    • UPC: 807320380788

  • Entry Phone Controller and Call Router

    - Viking entry phone controller and call router- Allows single line telephones or a telephone system to share a phone line with a door entry phone- House phones ring with C.O. line cadence or distinctive ring when the entry phone is calling- Built in five number dialer- Detects busy or ring no answer and goes onto the next number- Built in door strike relay with 1 or 2 digit mands- Detects touch tones as fast as 50 milliseconds- Postal lock input- Produces “Call Waiting” tones if the entry phone is activated when the house phones are already on a call- Add an entry phone to your standard home or office phones to provide door munication- Provide mercial or residential security via two-way handsfree munication at the door or gate- Connects in series with a single phone line or to a phone system’s unused line input (loop start trunk input) VKC250

    • Brand: Viking
    • ASIN: B00KXANNGU
    • UPC: 777780526531