• Ideal controller for testing or researching involving simulating altitude changes
  • System will automatically apply vacuum or bleeds in air after user entered set-point
  • Applications include package integrity testing, electronics design, aerospace, cosmetics, and more
  • Combines multiple sensors and functions into one device, including temperature and humidity sensors
  • Remote monitoring and automatic data-logging of sensor readings through Ethernet/RS232 connection
  • Set-Point Range: 0 – 760 Torr
  • Display: 0.38” high 6 digit LED
  • Display Units: Torr, mBar, kPa
  • Bleed Valve Tube: 1/8”
  • Sensor: Varian 531 Thermocouple Gauge
  • Sensor Cable Length: 8’
  • Analog Output: 0-5 VDC


Type: Controller

Unit of Measure: EA


Electrical Specifications: 120/240 V, 20 A, 50/60 Hz

Weight, Product: 13 lb

Dimensions, Product: 11.83"W x 10.5"D x 6.29"H

Weight, Shipping: 20 lb

Dimensions, Shipping: 22"W x 22"D x 25"H

Package Type: Box

Features and Benefits

Coaxial SMA Feedthrough

Double-ended, 50-ohm connectors allow small electronics to operate within the chamber.

Optional Vacuum Relief Valve

Adjustable pressure relief valve limits vacuum levels within the chamber, allowing pressure to be maintained at user-configured point. (NOTE: Vacuum pump must remain in operation to maintain desired vacuum level).

Precision Vacuum Gauge and Needle Valves

Vacuum chambers can be customized to include precision needle valves for exact application, monitoring, backfill, and bleeding of vacuum pressure in increments of ~1" Hg (~3% vacuum). The hardware is mounted over an extra layer of acrylic to prevent damage to the lid while the chamber is under maximum vacuum.

Tested to Hold Full Vacuum for 72 hours

Terra's acrylic vacuum chambers are tested to hold 29.9"Hg (99.9% vacuum) with no detectable change over a 72 hour duration. Heavy-duty one-inch-thick walls ensure chamber integrity and protect against cracking.

Optional Glass Top for Sensitive Optics

0.75"-thick tempered-glass top allows optical testing and monitoring that requires high clarity.

Continuous Product Improvement

At Terra, we strive to develop and produce the highest quality products for our customers to improve health, safety, performance, and yields. Our product quality is enabled by high-grade manufacturing equipment and processes, 45 years of engineering and application expertise, and our commitment to continuously improve.
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