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Balmac Vibration Transmitter 140T

Balmac Vibration Transmitter


The Model 140T Vibration Transmitter is a low cost, highly accurate and rugged vibration transmitter proven to perform in building automation systems, BAS. The vibration transmitter is ideal for use with all machines, even those that previously may have been considered uneconomical to monitor. These vibration transmitters easily mount with a standard 1/4-20 stud. Each unit is a two-wire, loop-powered transmitter that can feed the vibration level of operating machinery to a data logger, milliamp monitor, or process control computer. Solid-state accelerometer and circuit design provide a 4-20 mA signal proportional to vibration velocity. It can safely be used in hazardous environments when coupled with a Model MTL7706 intrinsic safety barrier.


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QtyModelDescriptionIn StockList PriceInternet Price
140T-1 IS VIBRATION XMTR 0-1 IN/SEC In Stock1,225.00980.00
140T-2 IS VIBRATION XMTR 0-2 IN/SEC In Stock1,225.00980.00


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  • Reliable performance
  • Easy to install
  • 4-20 mA signal compatible with BAS controllers
  • Intrinsically safe Class I, Division 1, Groups A, B, C; Class II, Division 1, Groups E, F, G
  • Two year warranty
  • NIST certificate

Supply Voltage:14-50 VDC, black=negative, red=positive, reverse polarity protection

Accuracy:5% to 10% of scale

Signal Output:4-20 mA @ 600Ω

Measurement Range:

140T-1:0-1 in/sec vibration (0-25.4 mm/sec)

140T-2:0-2 in/sec vibration (0-50.8 mm/sec)

Frequency Range:7-1300 Hz ±3% (420-78,000 rpm)

Vibration Range:

140T-1:Output 4-20 mA, proportional to vibration level, 0-1 in/sec (0-25.4 mm/sec)

140T-2: Output 4-20 mA, proportional to vibration level, 0-2 in/sec (0-50.8 mm/sec)

Isolation:500V, circuit-to-case

Mounting:1/4'″-20 stud, 3/8″ deep

Process Connection:1" MNPT

Wiring Termination:Terminals

Operating Temperature:-4° to 185°F (-20° to 85°C)

Enclosure Rating:NEMA 4, weatherproof, Cadmium-plated steel

Weight:0.4 lb (0.18 Kg)

Approvals:UL file #E126345

Warranty:2 year


Download Additional Data

document   140T Catalog Page
document   140T Installation Manual