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Datasheet | Instruction Manual
Testo 190-T4 Professional CFR Temperature Data Logger with Two Flexible Probes
The Testo 190-T4 CFR temperature data logger is an elite dual-channel measurement asset engineered for strict validation, qualification, and quality audit routines in the pharmaceutical and biotech sectors. Equipped with two long, flexible probes (length 775 mm, Ø 1.5 mm) connected to high-precision Pt1000 sensor elements, this data logger is optimized for tracking internal corner conditions and determining the exact acclimatization time between core and outer temperatures. Fully compliant with 21 CFR Part 11 software criteria when paired with the dedicated Testo 190 software platform, the hermetically sealed stainless steel module guarantees supreme operational stability during intense autoclave sterilization and freeze-drying validation cycles.
Industrial & Pharmaceutical Applications
- Autoclave Sterilization Audits: Comprehensive simultaneous two-point validation profiles of heavy steam sterilization units, tracing difficult internal corners and deep cargo batches.
- Freeze-Drying (Lyophilization) Monitoring: Precision surface temperature mapping across system shelf plates when combined with specialized freeze dryer probe holders.
- Liquid Vessel Diagnostics: Parallel multi-depth heat tracking inside pharmaceutical reaction vats, biological storage containers, and closed process lines.
Technical Characteristics
| Sensor Type Profile | Dual-channel high-tier Pt1000 resistance matrix |
| Thermal Log Range | Extends across industrial cleanroom environments from -50 °C up to +140 °C |
| System Reading Accuracy | ±0.1 °C within the critical target interval from -40 °C to +140 °C; ±0.2 °C remaining range |
| Measurement Resolution Scaling | High-resolution 0.01 °C steps for tracking micro-thermal deviations |
| Probe Geometric Configuration | Two independent flexible 775 mm probes (Ø 1.5 mm) ending with 25 mm rigid tips (Ø 3 mm) |
| Dynamic Response Speed | Exceptional processing thermal transfer rate of t90 = 6 s |
| Internal Buffer Capacity | Secure standalone volatile microchip storing up to 30,000 readings per channel |
| Housing Rating and Shell | Hermetically sealed stainless steel and PEEK plastic design; certified IP68 water/pressure tightness |
| Power & Field Runtime | Removable 1/2 AA lithium battery pack providing 750 operating hours (at 10 s rate at +121 °C) |
| Multi-Instrument Logistics | Simultaneous data loading and configurations for up to 8 loggers via the multi-function case unit |
Package Contents
- Testo 190-T4 dual-channel professional CFR temperature logger
- Two integrated 775 mm long flexible technical Pt1000 probe components
- Official factory calibration record validation protocol and user setup manual