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Televac MX4A Convection

Televac MX4A Convection

Televac MX4A Convection

Product catalog summary
Operating Specifications
  • Operating Range: 1x10-4 Torr to 1000 Torr
  • Display: OLED
  • Digital Communications: RS-485
  • Analog Output: Selectable 0 V DC to 10 V DC
  • Programmable Set Points: 2 (Set Point 1: Open collector, Set Point 2: Relay)
  • Supply Voltage: 22 V DC to 26 V DC
  • Maximum Power: 8 W
  • Calibration Medium: Dry air or nitrogen
  • Overpressure: 150 PSI
  • Digital Output Resolution: 2 significant digits with exponent
  • Analog Output Resolution: 16-bits
  • Operating Temperature: 0 °C to 50 °C
  • Storage Temperature: -20 °C to 60 °C
  • Bakeout Temperature: Brass: 100 °C, Stainless: 200 °C (electronics removed)
  • Response Time: ≤ 2 s
  • Accuracy: Varies by range, up to ±10% of reading
  • Display Readable Distance: 3 m (10 ft)
Physical Characteristics
  • Housing: Aluminum
  • Electrical Connections: D-Sub 15-pin male
  • Weight: With Sensor: 350 g, Without Sensor: 200 g
Sample RS-485 Commands
  • Read vacuum: *0S1<CR>
  • Read units: *0R1<CR>
  • Set units to Pascal: *0W10001<CR>
Benefits
  • Simple sensor replacement
  • Low cost, compact design
  • Excellent measurement accuracy
  • Exceptional customer service
  • Made in the USA
Ratings and Compliance
  • CE, RoHS, EAC certified
  • IP40 rated
Description

The Televac® MX4A Active Gauge features a replaceable Televac 4A convection vacuum sensor, wide measurement range, RS-485 communications, and a color OLED display. It is suitable for various vacuum applications due to its ease of use and cost-effectiveness.

Applications
  • Heat treatment and vacuum furnaces
  • Thin film deposition
  • Cryogenics
  • Pharmaceutical processes
Electrical Connections
  • Pin 1: Analog Out (Ground)
  • Pin 8: Supply Voltage (+)
  • Pin 9: Analog Out (0 to 10) V
Materials Exposed to Vacuum
  • Nickel, Glass, Gold, Tophet, Cupron, Solder, Stainless Steel
Set Points
  • Set Point 1: N-Channel 60 V MOSFET
  • Set Point 2: Relay with max 220 V DC
Replacement Sensors and Related Products
  • 4A Nickel Plated Brass Sensor: Various part numbers
  • 4A Stainless Steel Sensor: Various part numbers
Ordering Information
  • MX4A Active Gauge: Various part numbers based on configuration
  • D-Sub 15 Pin Cable: Various lengths available
  • Wall Power Supply: Type A and International options
Contact Information

Televac - The Fredericks Company, 2400 Philmont Avenue, Huntingdon Valley, PA 19006, USA. Email: [email protected], Tel: +1 215 947 2500

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Catalog excerpts

Televac MX4A Convection-1

Operating Range 1x10-4 Torr to 1000 Torr Display OLED Analog Output Selectable 0 V DC to 10 V DC Set Point 1 Open collector Calibration Medium Dry air or nitrogen Digital Output Resolution 2 significant digits with exponent Analog Output Resolution 16-bits Bakeout Temperature Brass (PN: -110, -116, -125) 100 °C (electronics removed) Stainless (PN: All Others) 200 °C (electronics removed) Response Time < 2 s Accuracy 0.1 mTorr to 1 mTorr 0.1 mTorr resolution 1 mTorr to 10 mTorr ±1 mTorr 10 mTorr to 1000 Torr ±10% of reading Analog Output ±10 mV Display Readable Distance 3 m (10 ft) The Televac® MX4A Active Gauge utilizes an easily replaceable (no screws) Televac 4A convection vacuum sensor. It has a variety of features including a wide range of measurement from 10-4 Torr to 1000 Torr, RS-485 communications, two programmable set points, and a selectable analog output. The bright, color OLED display included on every unit makes it easy to read from a distance and allows settings and calibration to be adjusted at the unit without any additional equipment. Options can be set from four capacitive touch controls located on the top of the unit or through RS-485 communications. The extensive selection of fittings, simplicity of use, ease of sensor replacement, and low cost make this unit an excellent choice for a variety of vacuum applications. Aluminum D-Sub 15-pin male 350 g (0.77 lbs) 200 g (0.44 lbs) See dimensional drawings Housing Electrical Connections Weight with Sensor (typical) Weight without Sensor (typical) Dimensions Applications • Heat treatment and vacuum furnaces • Thin film deposition and coating processes • Cryogenics • Pharmaceutical product processes *0W10001<cr> Set units to Pascal *0W10002<cr> Set units to Torr *0W10003<cr> Set units to millibar A full list of commands can be found in the MX4A manual. • Simple sensor replacement - no screws to remove • Low cost with a compact design and color OLED display • Excellent accuracy of measurements • Exceptional customer service and support • Designed and manufactured in the USA • CE certified to EN 61010-1, EN 61236-1, EN 55011 • Certified to CAN/CSA C22.2 No. 61010-1-12 • RoHS compliant • EAC certified • IP40 Visit the Televac website at www.frederickscompany.com for a full list of applications.

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Televac MX4A Convection-2

MX4A Convection Active Vacuum Gauge Part Number: 2-8930-1XX Electrical Connections Dimensional Drawings Pin Description 1 Analog Out (Ground) Materials Exposed to Vacuum MX4A PN: 2-8930-110, -116, -125 Nickel Glass Gold Tophet Cupron Solder Set Points Analog Out (Ground) Analog Out (0 to 10) V RS-485 A (-) RS-485 B (+) SP2 NC SP2 Com SP2 NO SP1 Source SP1 Open Drain Floating Floating Floating Floating Supply Voltage (-) Supply Voltage (+) MX4A PN: All Others Nickel Glass Gold Tophet Cupron Stainless Steel Ordering Information MX4A Active Gauge Part Number The MX4A has two set points....

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