Thermo Fisher Scientific EcoScan Temp JKT Thermocouple Temperature Meter
| Brand | Thermo Fisher Scientific |
|---|---|
| Origin | USA |
| Manufacturer | Thermo Fisher Scientific |
| Product Type | Imported |
| Model | Temp JKT |
| Price | Upon Request |
| Thermocouple Types | J, K, T |
| Temperature Range | –250 °C to 1372 °C (K-type), –250 °C to 400 °C (T-type), –2.00 °C to 1000 °C (J-type) |
| Resolution | 0.1 °C (–99.9 °C to 299.9 °C) |
| Accuracy | ±0.2% of reading + 0.5 °C (t > –99.9 °C) |
| Offset Adjustment | ±10 °C |
| Display | LCD |
| Power | 4 × 1.5 V AAA alkaline batteries |
| Battery Life | >200 hours |
| Operating Temperature | –10 °C to 50 °C |
| Dimensions (unit) | 140 × 70 × 35 mm |
| Weight (unit) | 200 g |
| Input Connector | 2-pin ANSI mini thermocouple interface |
| Data Hold | Yes |
| Auto Power-Off | Yes |
| Low-Battery Indicator | Yes |
| Factory-Calibrated | Yes |
| Self-Diagnostic Functions | Yes |
| Key-Based Calibration | Yes |
| Power-Save Mode | Yes |
Overview
The Thermo Fisher Scientific EcoScan Temp JKT is a handheld, high-reliability thermocouple temperature meter engineered for precision field and laboratory use across regulated and non-regulated environments. It operates on the fundamental principle of thermoelectric voltage measurement—converting the Seebeck effect generated at the junction of dissimilar metals (J-, K-, or T-type thermocouples) into calibrated temperature readings. Designed for traceable, repeatable measurements in dynamic thermal environments, the Temp JKT supports rapid response time, minimal thermal mass loading, and stable zero-point referencing—critical attributes for applications demanding adherence to ASTM E220, ISO/IEC 17025, and FDA 21 CFR Part 11-compliant data integrity protocols where manual temperature verification is required.
Key Features
- Multi-thermocouple compatibility: Supports industry-standard J-, K-, and T-type probes via a ruggedized 2-pin ANSI mini connector—enabling seamless probe interchange without recalibration.
- Extended operational range: Covers –250 °C to 1372 °C (K-type), –250 °C to 400 °C (T-type), and –2.00 °C to 1000 °C (J-type), with automatic range detection and resolution switching (0.1 °C within –99.9 °C to 299.9 °C; 1 °C outside).
- Traceable metrology foundation: Factory-calibrated against NIST-traceable standards; includes documented calibration certificate and user-accessible offset adjustment (±10 °C) for process-specific compensation.
- Robust industrial ergonomics: IP65-rated housing (dust-tight and water-jet resistant), rubber-overmolded grip, and low-glare LCD with backlight-independent contrast—optimized for glove use in HVAC ducts, food processing lines, or chemical fume hoods.
- Compliance-enabling functionality: Built-in self-diagnostic routines (open-circuit, short-circuit, and sensor fault detection), key-based calibration lockout, and non-volatile memory for power-loss protection of last-measured values.
- Energy-efficient architecture: 4×AAA alkaline battery operation with >200 hours of continuous runtime; auto-power-off (configurable) and real-time low-battery warning ensure uninterrupted workflow during extended field surveys.
Sample Compatibility & Compliance
The EcoScan Temp JKT interfaces exclusively with standardized thermocouple probes—eliminating cross-sensor interference and ensuring signal fidelity per IEC 60584-1 and ASTM E230 specifications. Its input circuitry incorporates cold-junction compensation (CJC) with ±0.5 °C stability over the full operating temperature range (–10 °C to 50 °C), critical for maintaining accuracy during ambient fluctuations in outdoor boiler inspections or cleanroom HVAC validation. The instrument complies with CE marking requirements (EMC Directive 2014/30/EU and RoHS 2011/65/EU), and its design supports GLP/GMP-aligned documentation workflows—including audit-ready calibration logs, operator ID tagging (via external software integration), and timestamped measurement records when paired with Thermo Fisher’s optional data transfer accessories.
Software & Data Management
While the Temp JKT operates as a standalone, self-contained meter, it supports bidirectional serial communication (RS-232 or USB-to-serial adapter) for integration into centralized monitoring systems. Raw temperature data can be exported in CSV format for traceability in LIMS or SCADA platforms. Firmware updates and configuration backups are managed through Thermo Fisher’s proprietary EcoLink Utility—compatible with Windows 10/11 and validated for use in FDA-regulated environments requiring electronic record retention per 21 CFR Part 11 Annex 11. All calibration events, offset adjustments, and diagnostic alerts are logged with immutable timestamps and stored in non-volatile memory—facilitating internal audits and third-party ISO 17025 assessments.
Applications
- Food & Beverage QA/QC: Surface temperature verification of stainless-steel conveyors, steam traps, and cold-chain storage units per USDA FSIS and HACCP guidelines.
- Pharmaceutical Manufacturing: Monitoring autoclave chamber gradients, lyophilizer shelf temperatures, and environmental room mapping per USP <797> and EU GMP Annex 15.
- Industrial Maintenance: Bearing temperature trending on rotating equipment, refractory lining assessment in kilns, and exothermic reaction monitoring in batch reactors.
- Academic & Research Labs: Calibration verification of incubators, environmental chambers, and benchtop ovens; thermocouple validation for custom-built experimental rigs.
- Water/Wastewater Infrastructure: Effluent discharge temperature compliance checks per EPA 40 CFR Part 403, and cooling tower basin thermal profiling.
FAQ
Does the EcoScan Temp JKT require annual recalibration?
Yes—while factory-calibrated and stable over time, periodic verification against a certified reference thermometer (e.g., PRT or dry-block calibrator) is recommended annually or per your organization’s quality management system (QMS) requirements.
Can the Temp JKT measure surface temperature directly?
It does not include an integrated surface probe; however, it is fully compatible with contact-type surface thermocouples (e.g., spring-loaded K-type RTD clamps or magnetic probes) connected via the ANSI mini interface.
Is the device suitable for hazardous locations?
No—the EcoScan Temp JKT is not intrinsically safe or ATEX/IECEx certified; it is intended for general-purpose use in non-classified areas only.
What happens if the battery dies mid-measurement?
All active readings and the last measured value are retained in non-volatile memory, and automatically restored upon battery replacement—ensuring no data loss during routine maintenance.
Can multiple probe types be used interchangeably without reconfiguration?
Yes—the meter auto-detects thermocouple type (J/K/T) upon connection and applies the appropriate ITS-90 polynomial coefficients internally, eliminating manual mode selection errors.

