The 629H11TDCJ4B belongs to the MKS Instruments 629H series of heated Baratron capacitance manometers. This model covers a 10 Torr full scale range for absolute vacuum measurement. Its sensor head stays controlled at 45°C, which stabilizes output and limits drift from ambient changes. Therefore, the device suits fine vacuum processes in semiconductor, analytical, and coating systems.
Moreover, the 9-pin D-sub connector supports drop-in compatibility with existing installations. An external zero input allows field zeroing without removing the unit from service. The heater status LED gives quick visual confirmation of thermal control. In addition, the NW16 ISO-KF fitting enables fast clamp-style mounting on standard vacuum lines.
The 629H11TDCJ4B delivers high-accuracy absolute pressure measurement for low-range vacuum control. Its accuracy of 0.12% of Reading covers non-linearity, hysteresis, and non-repeatability. Resolution reaches 0.001% of Full Scale, which supports fine process regulation. Warm-up time is only 2 hours.
The analog output provides 0 to +10 VDC into loads above 10 kOhm. Power requires +/-15 VDC (+/-5%) at 0.25 A. A 9-pin D-sub connector with thread locks ensures secure wiring. This version offers analog output only, so it has no trip relays. Besides, the external zero input and heater status LED simplify setup and daily operation.
The sensor diameter measures 3.15 in (80.0 mm), and body height is 3.87 in (98.4 mm). The stem adds 1.38 in (35.1 mm). Internal volume is only 6.3 cc, which supports fast response and low gas load. Wetted materials use Inconel for corrosion resistance in aggressive gas service.
The overpressure limit is 45 psia (310 kPa) or 120% of Full Scale, whichever is greater. Operating temperature ranges from 15 to 40°C. Zero temp coefficient is 0.002% FS/°C, and span temp coefficient is 0.02% of Reading/°C. Finally, the product carries CE compliance for European markets.
First, verify the vacuum system is vented and at safe pressure before mounting. Install the NW16 ISO-KF fitting with a compatible clamp and centering ring. Next, connect the 9-pin D-sub cable to the controller or readout device. Confirm the +/-15 VDC supply meets the 0.25 A requirement.
Furthermore, use the external zero input to trim the output at base vacuum after warm-up. Allow 2 hours warm-up to reach rated accuracy. Route signal cables away from high-power lines to reduce noise. Finally, check the heater status LED after power-up to confirm the 45°C control is active.
1x MKS 629H11TDCJ4B heated Baratron transducer
1x 9-pin D-sub mating connector kit
1x Protective fitting cap
1x Installation and operation manual
Shipping via Fedex, UPS, or DHL. Transit time is typically 3-5 business days.
Q1: What pressure range does the 629H11TDCJ4B cover?
A: The 629H11TDCJ4B measures absolute pressure up to 10 Torr full scale.
Q2: What makes this model easy to retrofit?
A: The 9-pin D-sub connector offers drop-in compatibility with existing installations, which reduces wiring changes.
Q3: How does the external zero input help?
A: It lets technicians trim the zero output at base vacuum without removing the transducer from service.
Q4: Does this model include trip relays?
A: No. This version provides analog output only, with no solid-state trip relays.
Q5: What fitting does this model use?
A: It uses an NW16 ISO-KF fitting for quick clamp-style mounting on standard vacuum lines.
| Brand Name | |
| Model No. | 629H11TDCJ4B |
| Product Type | Heated Absolute Pressure Transducer |
| hasMerchantReturnPolicy | Adjust according to reality |
| Shippingdetails | Adjust according to reality |
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