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2A VacuMini Thermocouple
The Televac 2A VacuMini is a commercial version of Televac’s highly successful NASA 2A pressure gauge. Our 2A VacuMini Thermocouple Vacuum Gauge (often referred to as Pirani or Vacuum Pressure Gauge) is considered our most robust and contamination-resistant low vacuum pressure gauge due to its Pirani filament design and operating temperature, and is easy to install as it can be mounted in any orientation.
- Description
- Specifications
- Features & Benefits
- Modules
- Additional Details
Description
The 2A VacuMini is about half the size and volume of conventional thermocouple vacuum gauges. The primary limitation of this thermocouple vacuum gauge is that it only measures from 1*10-3 Torr (1 micron) to 20 Torr (20,000 microns) with all of our vacuum regulators, rather than all the way to the atmosphere (760 Torr).
This vacuum gauge also has slightly reduced accuracy over some parts of its operating range when compared to the 4A convection vacuum gauge. The 2A VacuMini vacuum pressure gauge can be operated by several Televac controllers, including the MX200, MX200 EthernetIP, B2A Portable, Compact 2A, VacuGuard™, and MV2A.®
| Operating range | 1*10-3 Torr to 20 Torr |
| Analog Output | Controller-dependent |
| Supply voltage | Controller-dependent |
| Maximum Voltage | 5 V |
| Maximum performance | 55 mW |
| Maximum Filament Temperature | 250 °C |
| Mounting Orientation | Any |
| Calibration medium | Dry air or nitrogen |
| Overpressure | 250 PSI |
| Analog output resolution | Controller-dependent |
| Operating temperature | -20 °C to 50 °C |
| Storage | -40 °C to 60 °C |
| Bake-out temperature | 60 °C |
| Reaction time | ≤1 sec |
| Accuracy | |
| 1 to 10 mTorr | ±1 mTorr |
| 10 to 100 mTorr | ±10% of reading |
| 100 mTorr to 1 Torr | ±20% of reading |
| 1 to 20 Torr | Indication only |
| Analog Output | ±10 mV |
| Gold |
| Glass |
| 304L/316L Stainless Steel |
| Tophet |
| Cupron |
| Electrical connections | 4-pin; Mates w/Bendix PC-06A-8-4S SR |
| Weight | 28 g (0.062 lbs) (without tether) |
| RoHS compliant |
- Compact, robust, contamination-resistant vacuum transmitter
- Standard Pirani 1/8″ NPT Flange/Fitting
- Weatherproof vacuum transducer with seal and line
- Drop-in Vacuum Pressure Gauge Replacement
- Excellent Customer Support for Vacuum Transmitters
- Convection measurement filters available for heavily polluted environments
| 2A Mini Thermocouple Passive Vacuum Gauge | Part Number |
|---|---|
| VacuMini 1/8″ (0.125”) NPT SST (with cap, chain) | 2-2100-102 |
| VacuMini 1/8″ (0.125”) NPT SST (without cap, chain) | 2-2100-102-01 |
| VacuMini 4 VCR-F SST (without cap, chain) | 2-2100-045 |
