MKS Instruments 626B12TAD Baratron Pressure Transducer
Manufacturer: MKS Instruments
Product No.: 626B12TAD
Condition: In stock
Product Type: Pressure Transducer Module
Product Origin: USA
Payment: T/T, Western Union
Weight: 500g
Shipping port: Xiamen
Warranty: 12 months
Estimate delivery times: 12-26 days (International), 3-6 days (United States).
Return within 30 days of purchase. Duties & taxes are non-refundable.
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Product Introduction & Global PLC Spare HUB's Insight
The 626B12TAD is a high-precision absolute pressure transducer engineered by MKS Instruments. It belongs to the advanced Baratron 626B series of room-temperature capacitance diaphragm gauges.
Engineers deploy this sensor in semiconductor fabrication and vacuum systems. It delivers reliable absolute pressure measurement across demanding industrial environments.
Global PLC Spare HUB's Insight: Field technicians often encounter zero drift in high-moisture vacuum chambers. Our technicians solved this by maintaining a strict 15-minute warm-up protocol before calibration.
Technical Specifications
Engineers evaluate sensors through classified parameters. Below is the complete specification breakdown for the 626B12TAD model:
| Parameter Category | Technical Specification Detail |
|---|---|
| Brand & Model | MKS Instruments | 626B12TAD (Baratron 626B Series) |
| Measurement Range | 100 Torr full scale (Range Code 12T) |
| Accuracy & Linearity | ±0.15% of reading (includes non-linearity, hysteresis, non-repeatability) |
| Frequency Response | Time constant under 20 milliseconds |
| Resolution & Usable Range | Usable range down to 1 × 10⁻⁴ F.S.; reading limit 5 × 10⁻² Torr |
| Temperature Range | Ambient operating temperature 0 to 50 °C |
| Environmental Tolerance | Overpressure limit 45 psia (310 kPa) without damage |
| Electrical & Power | ±15 VDC at 35 mA; 15-pin male D-sub connector; 0 to +10 VDC output |
Installation Guide
- Mount the sensor securely onto a 1/2-inch (12.7 mm) tubulation fitting.
- Ensure the system grounding uses an overall metal braided shielded cable grounded at both ends.
- Allow a mandatory 15-minute warm-up period before taking precise process readings.
- Verify power supply stability within ±5% of ±15 VDC specifications.
Commissioning & Maintenance Convenience
- Perform zero adjustments easily using the front panel zero potentiometer.
- Monitor output voltage directly via standard data acquisition cards or multimeters.
- Inspect Inconel and Incoloy wetted parts periodically for chemical corrosion residue.
- Keep connection cables away from high-voltage power lines to prevent signal noise.
Compatibility Notes
- Compatible with standard DC power distribution units delivering ±15 VDC.
- Interfaces seamlessly with standard PLC analog input modules accepting 0 to +10 VDC signals.
- Fits standard 15-pin male D-subminiature controller cabling setups.
- Designed for integration into corrosive and non-corrosive vacuum gas lines.
Certifications & Compliance
- Comply fully with CE EMC Directive 2004/108/EC standards.
- Meet RoHS Directive 2002/95/EC environmental compliance requirements.
- Manufactured under strict quality controls for industrial automation markets.
Package Contents & Warranty Terms
Each order of the 626B12TAD unit includes:
- One MKS Instruments 626B12TAD Baratron gauge unit.
- Factory calibration certificate and technical specification sheet.
- Comprehensive 12-month operational warranty covering manufacturing defects.
Shipping Options & Delivery
- We ship orders within 24 to 48 hours after payment verification.
- Express delivery available worldwide via FedEx, UPS, and DHL.
- Secure anti-static packaging protects sensitive internal capacitance diaphragms during transit.
Typical Application Scenarios & Diagnostic Capabilities
- Semiconductor Processing: Monitors vacuum pressure during etching and thin-film deposition.
- Vacuum Furnaces: Controls precise atmosphere pressure in heat treatment chambers.
- Diagnostic Capability: Output voltage tracking detects diaphragm sticking or thermal drift instantly.
- Leak Detection: Rapid response time helps technicians isolate chamber vacuum leaks quickly.
Frequently Asked Questions (FAQ) & Buying Guidance
Q: What is the lowest suggested pressure for accurate process control using the 626B12TAD?
A: The lowest suggested pressure for reliable process control is 5 × 10⁻¹ Torr, while readable pressure extends down to 5 × 10⁻² Torr.
Q: Why does the sensor require a 15-minute warm-up period?
A: Thermal stabilization ensures internal electronic components reach equilibrium, preventing zero drift during high-accuracy vacuum measurements.
Q: How do I select the right Baratron range for my vacuum application?
A: Choose the 100 Torr range code (12T) when your primary operating window sits between 1 Torr and 100 Torr to maximize measurement sensitivity and linearity.

Tags
Q: Are these parts 100% original and new?
A: Yes. Every component is guaranteed to be 100% original, brand-new, and factory-sealed. We also provide a 12-month comprehensive warranty for your peace of mind.
Q: How fast is the shipping to my country?
A: For in-stock items, we offer same-day dispatch. International express shipping (DHL/FedEx/UPS) typically delivers within 3–5 business days worldwide.
Q: Can I get a formal quotation with shipping costs?
A: Absolutely. Our sales team is ready to provide a detailed Proforma Invoice (PI) including the most competitive shipping rates for your location.
Q: Do you offer discounts for bulk orders?
A: We provide volume-based pricing for large projects or multiple-item orders. Please contact us to get our Best Price Guarantee.
12-Month Comprehensive Warranty
Every part supplied by Global PLC Spare Hub is covered by a 12-month warranty from the date of invoice.
- Coverage: Functional defects and hardware failures under normal operating conditions.
- Commitment: We provide immediate repair, replacement, or a full refund for any verified defective components to minimize your operational downtime.
Returns & Exchange Policy
We offer a 30-day return policy to ensure you receive the exact part your system requires.
- Eligibility: Returns are accepted for uninstalled items in their original, factory-sealed packaging.
- RMA Process: Please contact our support team to obtain a Return Merchandise Authorization (RMA) number before shipping.
- Fast Processing: Refunds or exchanges are processed within 3–5 business days after the returned item passes our technical inspection.
Need Technical Assistance?Not sure if this part is compatible with your system? [Consult our Engineers] before purchasing to ensure 100% compatibility.



