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Model 7148 Mk I Low-Pressure Dew Point Monitor & Alarm

This is the same system incorporated in our popular low-pressure membrane dehydrators. Here, it is a stand-alone device, usable independently or downstream of an air dehydrator whose built-in monitor/alarm system is unreliable or obsolete.

The highly-sensitive aluminum oxide sensor is bathed by a continuous stream of air. Its impedance varies with the air’s moisture content, and is read by the dew point alarm controller. The digital display on the front shows the current outlet air dew point.

  • A simple, reliable method of measuring the dew point (moisture content) of low-pressure (0 – 150 psig) dry air systems.
  • Measurement made by aluminum oxide sensor.

$0.00

SKU: 7148

Description

This is the same system incorporated in our popular low-pressure membrane dehydrators. Here, it is a stand-alone device, usable independently or downstream of an air dehydrator whose built-in monitor/alarm system is unreliable or obsolete.

The highly-sensitive aluminum oxide sensor is bathed by a continuous stream of air. Its impedance varies with the air’s moisture content, and is read by the dew point alarm controller. The digital display on the front shows the current outlet air dew point.

  • A simple, reliable method of measuring the dew point (moisture content) of low-pressure (0 – 150 psig) dry air systems.
  • Measurement made by aluminum oxide sensor.

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Product Specs
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Notes:

  • Alarm includes flashing red alarm lamp, audible alarm, and remote connection (closed on alarm).
  • Operator-adjustable to achieve the desired alarm point
  • May be calibrated by the operator without removal from the unit.
  • Buzzer can be disabled by audible alarm switch.

Specifications:

Fully qualified for high-impact shock per MIL-S-901, Grade A and Type I vibration, 4 – 50 Hz, per MIL-STD-167-1.

Indicating range: 0° F to -60° F dew point
Alarm point: Operator-adjustable from 0° F to -60° F dew point. Factory pre-set at -30° F unless ordered otherwise.
Indicator: Digital display
Alarms: Local lamp and audible alarm; remote “dry contacts” with 6800-ohm supervisory resistor
Operating pressure: 0 to 150 psig
Electrical requirements: 115 VAC, 60 Hz, single-phase, 1 amp.
Customer interfaces: Unions per MIL-F-1183 standard; others available on request.
Dimensions:
  • 20″ W x 6″ H x 6″ D (Sensor unit)
  • 9″ W x 12″ H x 7″ D  (Control panel)
Weight: 20 pounds
Mounting:
  • Support on pipe hangers (by customer) (Sensor unit)
  • Mounting tabs. (Control panel)
HLI Drawing No. 7148-G501
Electrical Schematic: 7006-G503-7
Technical Manual: TM7148-MI-001
SKU: 7148 CATEGORY: TAGS: