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When any of three conditions is detected, the Automatic Voice Dialer will automatically call up to 8 telephone numbers to deliver a pre-recorded message. Can also be used as a 2-way speakerphone. More info...

Part # 79603

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Sale $249.16 $524.00

When triggered by any of up to four external sensor switches, this long-range transmitter will send a digital-encoded RF signal up to 10 miles to a companion receiver (sold separately), which will verify the digital code, activate its output, and trigger the remote device. More info...

Part # 7426BX

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Sale $152.13 $274.94

1 customer rating 1 Customer rated this product 5 Stars

When triggered by any external sensor switch, this long-range transmitter will send a digital-encoded RF signal up to 10 miles to a companion receiver (sold separately), which will verify the digital code, activate its output, and trigger the remote device. More info...

Part # 7426AX

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Sale $149.97 $263.58

9 customer ratings 9 Customers rated this product 4.5 Stars

Sensaphone's Wireless Indoor Power Failure Sensor will detect a loss of power at the outlet where the power supply is attached. More info...

Part # 7064

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Sale $193.50 $215.00

The Sensaphone IMS-4842 20Amp Current Sensor lets you monitor current consumption of a particular device or circuit anywhere within you infrastructure. It reports the actual current flow in the circuit, allowing you to know the current draw from devices such as server racks, UPS and generators. More info...

Part # 70071

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$199.00

These Sensors are equipped with better accuracy and easier to manage than competitors. Measure the amount of current being Drawn and the presence of power. More info...

Part # 7126960

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Sale $195.92 $240.00

The Sensaphone IMS-4851 4-20mA Bridge allows you to connect a 4-20mA transducer to your Sensaphone IMS unit. The 4-20mA Bridge features optical isolation between the input and the IMS unit, which ensures troublefree operation and safety. More info...

Part # 70078

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Sale $167.96 $169.00

The Sensaphone IMS-4213 Wireless Power Sensor provides remote contact monitoring without running wires. The power status is monitored by the wall plug in adapter and sent from the sensor to the IMS-4200 Wireless Node via an integrated 2.4GHz wireless radio. More info...

Part # 70059

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Sale $239.46 $265.00

The Extech PQ3350-3 3-Phase Power and Harmonics Analyzer's Large backlighting LCD displays up to 35 parameters in one screen - Clamp-on True RMS power measurements with on-screen Harmonics display. More info...

Part # 90219

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$3,599.00

The Niles Audio TVA50 Stereo Amplifier with Built-in Automated Speaker-level Switching allows a local source, such as audio from a bedroom TV, to play through the main system speakers in that room. More info...

Part # 6761

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Sale $323.96 $359.95

1 customer rating 1 Customer rated this product 5 Stars

The Extech 380820 Universal AC Power Source and AC Power Analyzer can be used to test products in the range of 85 to 250VAC with a frequency range of 45 to 65Hz. More info...

Part # 90226

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Sale $1,029.00 $1,129.00

The Extech 382213 Digital Regulated DC Power Supply is a solid state, compact, well regulated power supply suitable for many applications including bench testing, field service, hobby and telecommunication equipment use. More info...

Part # 90225

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Sale $199.99 $249.99