Part Numbers: 2-8930-101, 2-8930-110, 2-8930-111, 2-8930-116, 2-8930-125, 2-8930-130 2-8930-131, 2-8930-132, 2-8930-150, 2-8930-152
Compatible With: MX Active Gauge EthernetIP Gateway
Features and Benefits:
- Low cost digital vacuum gauge
- Very compact digital vacuum gauge
- Easy-to-read color OLED digital vacuum gauge display
- Excellent resolution and repeatability convection gauge (Pirani)
- Superior unit-to-unit performance between vacuum gauges
- ISO 17025 accredited and NIST traceable calibrations optional
- Excellent customer support for vacuum gauges
MX4A Convection Active Vacuum Gauge
Product Description
Price
Calibration
Quantity
D-Sub 15, 15 Conductor Cables (Flying Leads)
Product Description
Price
Quantity
D-Sub 15, 6 Conductor Cables (Flying Leads)
Product Description
Price
Quantity
Wall Power Supply
Product Description
Price
Quantity
Replacement Sensors
Product Description
Price
Quantity
| Operating Range | 1*10-4 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 (PN: -110, -116, -125) | 100 °C (electronics removed) |
| Stainless Steel (PN: All Others) | 200 °C (electronics removed) |
| Display Readable Distance | 3 m (10 ft) |
| Accuracy (Vertical Mount) | |
| 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 |
| Pin | Description |
| 1 | Analog Out (Ground) |
| 2 | RS-485 A (-) |
| 3 | SP2 NC |
| 4 | SP2 NO |
| 5 | SP1 Open Drain |
| 6 | Floating |
| 7 | Floating |
| 8 | Supply Voltage (+) |
| 9 | Analog Out (0 to 10) V |
| 10 | RS-485 B (+) |
| 11 | SP2 Com |
| 12 | SP1 Source |
| 13 | Floating |
| 14 | Floating |
| 15 | Supply Voltage (-) |
| *0S1<CR> | Read vacuum measurement |
| *0R1<CR> | Read units of measurement |
| *0R2<CR> | Read SP1L and SP1H |
Assume address 0
Full list of commands is available in the instruction manual.
The MX4A has two set points. Set point 1 is an N-Channel 60 V MOSFET open collector. It has a maximum current rating of 1 A. The datasheet can be found at www.vishay.com/en/product/69958.
Set point 2 is a relay with a maximum switching voltage of 220 V DC (250 V AC) and a maximum switching current of 2 A. The datasheet can be found at www.te.com/catalog/pn/en/1393788-3.
| MX4A PN: -110, -116, -125 | MX4A PN: All Others |
| Nickel | Nickel |
| Glass | Glass |
| Gold | Gold |
| Tophet | Tophet |
| Cupron | Cupron |
| Solder | Stainless Steel |
| Housing | Aluminum |
| Electrical Connections | D-Sub 15-pin male |
| Weight with Sensor (typical) | 350 g (0.77 lbs) |
| Weight without Sensor | 200 g (0.44 lbs) |
| Certified to CAN/CSA C22.2 No. 61010-1-12 |
| CE certified to EN 61010-1, EN 61236-1, EN 55011 |
| RoHS compliant |
| IP40 |
| EAC certified |
| ISO 17025 accredited calibration optional |
| NIST traceable calibration optional |
Product Documentation
| MX4A Datasheet |
| MX4A Instruction Manual |
| Televac® Vacuum Calibration Tolerances |
3D Models (STEP Files)
| 2-8930-125 – MX4A NW25/KF25 Nickel-Plated Brass |
| 2-8930-131 – MX4A NW25/KF25 Stainless Steel |
| 2-8930-152 – MX4A CF40/2.75″ CF-F Stainless Steel |
Application Notes
Videos
| MX4A Product Overview Video |
| MX4A Demonstration Video |
| MX2A/MX4A Sensor Replacement Video |
Tools
| Vacuum Leak Rate Converter |
| Vacuum Measurement Converter |
| Web Serial Terminal |
Case Studies
| Case Study: Argonne National Laboratory |
Brochures
| Televac® Vacuum Measurement Product Catalog |
| Full Range Solutions for Vacuum Furnaces Brochure |
MX4A Convection Active Vacuum
Gauge Quantity Discounts
| Quantity | Discount |
| 1 | List |
| 5 | 2% |
| 10 | 5% |
| 15 | 7% |
| 20 | 10% |
| 25 | 13% |
| 30+ | 15% |
D-Sub 15 Cable Quantity Discounts
| Quantity | Discount |
| 1 | List |
| 50 | 5% |
| 75 | 10% |
| 100+ | 15% |