HSPX HTB-3420 Adsorption Tube Activation and Conditioning System
| Brand | HSPX |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Model | HTB-3420 |
| Temperature Control Range | Ambient to 400 °C |
| Tube Capacity | 1–20 tubes |
| Temperature Setting Increment | 1 °C |
| Temperature Accuracy | ±0.5% of setpoint |
| Temperature Uniformity | ±1 °C across chamber |
| Timer Range | 0–99 h 99 min, continuously adjustable |
| Tube Compatibility | Outer diameter 6 mm (¼ inch), unlimited length |
Overview
The HSPX HTB-3420 Adsorption Tube Activation and Conditioning System is an engineered thermal conditioning platform designed for the precise, reproducible preparation of sorbent-packed adsorption tubes prior to thermal desorption–gas chromatography–mass spectrometry (TD–GC–MS) analysis. It operates on the principle of controlled convective heating within a calibrated horizontal furnace chamber, enabling uniform thermal activation of common sorbents—including Tenax TA, Carbopack B/C, Carboxen, and graphitized carbon blacks—by driving off residual volatiles, moisture, and manufacturing impurities. Unlike simple ovens, the HTB-3420 integrates programmable ramp-hold profiles, real-time temperature monitoring, and inert gas purging capability (via optional flow control module), ensuring trace-level cleanliness and analytical readiness of tubes in compliance with stringent environmental and indoor air quality protocols.
Key Features
- Programmable dual-stage thermal conditioning: independent control of pre-heating, activation, and cooling phases with user-defined ramp rates and dwell times
- High-stability PID-controlled furnace with ±0.5% temperature accuracy and ±1 °C uniformity across full 20-tube capacity
- Wide operating range from ambient to 400 °C, optimized for both low-thermal-mass sorbents (e.g., Tenax) and high-temperature stable media (e.g., graphitized carbon)
- Modular tube holder accommodating standard 6 mm OD (¼″) stainless steel or quartz tubes of arbitrary length—no clipping or trimming required
- Extended timer function (0–99 h 99 min) supporting overnight and multi-step aging protocols without manual intervention
- Front-panel digital interface with intuitive navigation, password-protected parameter locking, and non-volatile memory for method recall
- Robust stainless-steel construction with insulated double-wall housing, front-access door, and integrated over-temperature safety cutoff
Sample Compatibility & Compliance
The HTB-3420 supports all widely adopted adsorption tube formats used in EPA TO-17, ISO 16017-1, and Chinese national standards—including HJ 644–2013, HJ 734–2014, GB/T 18883–2022, GB 50325–2020, and HJ/T 400–2007. Its thermal performance meets the preconditioning requirements specified for sorbent stability verification, blank minimization (<0.1 ng analyte carryover), and inter-laboratory reproducibility. The system is compatible with helium, nitrogen, or argon purge gas delivery (when paired with external mass flow controller), fulfilling inert-atmosphere activation needs outlined in USP , ISO/IEC 17025:2017 Clause 7.2.2, and GLP-compliant laboratory SOPs. All thermal profiles are fully documentable for audit trails under FDA 21 CFR Part 11–enabled data management systems (when integrated with HSPX’s optional TD-Link software suite).
Software & Data Management
While the HTB-3420 operates as a standalone instrument via its embedded controller, it is natively compatible with HSPX’s TD-Link™ Laboratory Management Suite—a Windows-based application supporting method synchronization, electronic logbook generation, and CSV-exportable activation reports (including timestamped temperature curves, hold durations, and operator ID). When deployed in regulated environments, TD-Link enables role-based access control, electronic signatures, and full audit trail retention per ISO/IEC 17025 and CNAS-CL01 requirements. Raw thermal event data can be exported for integration into LIMS platforms (e.g., LabWare, Thermo SampleManager) via ODBC or REST API endpoints.
Applications
- Pre-conditioning of multi-bed sorbent tubes for VOC monitoring in ambient air, workplace atmospheres, and emission stacks
- Blank reduction and background stabilization in indoor air quality studies per GB/T 18883–2022 and ISO 16000 series
- Method validation support for EPA Method TO-17 and HJ 644–2013 compliant laboratories
- Reactivation of spent tubes in research settings where sorbent regeneration is permitted under validated protocols
- Thermal stability assessment of novel sorbent materials during method development
- Quality assurance for tube manufacturing facilities requiring batch-wise activation certification
FAQ
What is the maximum number of tubes that can be activated simultaneously?
The HTB-3420 accommodates up to 20 standard 6 mm OD adsorption tubes in a single run, maintaining thermal uniformity across the entire load.
Does the system support inert gas purging during activation?
Yes—when connected to an external mass flow controller and gas supply, the HTB-3420 allows continuous inert gas flow (He, N₂, or Ar) through the tube bed during heating, minimizing oxidative degradation of sensitive sorbents.
Can temperature ramps and holds be programmed?
Yes—the instrument supports multi-step thermal profiles with up to three independent segments (ramp rate, target temperature, dwell time), configurable via the front panel or TD-Link software.
Is calibration certificate included with purchase?
A factory-issued NIST-traceable temperature calibration report is provided with each unit; annual recalibration services are available through HSPX authorized service centers in APAC and EMEA regions.
How is compliance with Chinese environmental standards verified?
The HTB-3420’s thermal performance parameters—including accuracy, uniformity, and timer resolution—are validated against the technical specifications mandated in HJ 644–2013 Annex B and HJ 734–2014 Section 6.2 for adsorption tube pretreatment equipment.

