Testo 830-T2 Infrared Thermometer
| Origin | Germany |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported Instrument |
| Model | Testo 830-T2 |
| Pricing | Available Upon Request |
| Contact-Free IR Measurement Range | −30 to +400 °C |
| Contact Thermocouple (Type K) Range | −50 to +500 °C |
| IR Resolution | 0.5 °C |
| IR Accuracy | ±1.5 °C or ±1.5% of reading (0.1–400 °C) |
| Contact Resolution | 0.1 °C |
| Contact Accuracy | ±(0.5 °C + 0.5% of reading) |
| Emissivity Adjustment | 0.2–1.0 (adjustable in 0.01 steps) |
| Optical Resolution | 12:1 |
Overview
The testo 830-T2 infrared thermometer is a dual-mode precision temperature measurement instrument engineered for industrial maintenance, HVAC commissioning, food safety verification, and laboratory QA/QC workflows. It integrates non-contact infrared radiometry with optional contact-based thermocouple (Type K) sensing—enabling users to validate surface temperatures without physical contact while retaining the option for direct probe measurements where emissivity uncertainty or reflective surfaces demand higher confidence. The device operates on the principle of Planck’s radiation law: detecting mid-infrared energy emitted from a target surface and converting it into a calibrated temperature reading via a thermopile sensor optimized for spectral response between 8–14 µm. Its 12:1 optical resolution ensures reliable spot measurement at distances up to 1.2 m for a 10 cm target diameter—critical for safely assessing hot components in electrical panels, steam traps, or rotating machinery. Designed and assembled in Germany under ISO 9001-certified production, the 830-T2 complies with EN 60584-1 (thermocouple reference tables), EN 61326-1 (EMC for test equipment), and meets CE marking requirements for use in EU industrial environments.
Key Features
- Ergonomic pistol-grip housing with textured rubber overmold for secure handling during extended field use
- Dual-laser targeting system (crosshair alignment) for precise spatial identification of measurement spot
- Adjustable emissivity (0.20–1.00 in 0.01 increments) to accommodate diverse material surfaces—from oxidized steel (ε ≈ 0.8) to polished aluminum (ε ≈ 0.05)
- Simultaneous display of current IR reading and stored min/max/difference values for trend assessment
- Configurable acoustic and visual alarm thresholds—user-defined upper/lower limits trigger LED flash and beeper pulse upon breach
- Backlit high-contrast LCD with automatic brightness control for readability in low-light or glare-prone conditions
- Integrated K-type thermocouple input supporting external surface or immersion probes (e.g., testo 0554 0001, 0554 0010) for hybrid measurement validation
- Auto power-off after 10 minutes of inactivity to extend battery life (2 × AAA alkaline cells, ~10 h continuous operation)
Sample Compatibility & Compliance
The testo 830-T2 is suitable for measuring the surface temperature of solid, non-transmissive materials—including metals, ceramics, painted surfaces, plastics, and organic substrates—provided the target fills the instrument’s field of view and exhibits stable thermal emission. It is not intended for transparent media (e.g., glass, thin plastic films) or highly reflective, unoxidized surfaces without emissivity correction. The device conforms to international metrological standards including DIN EN 62143 (infrared thermometers for industrial use) and supports traceable calibration in accordance with ISO/IEC 17025-accredited laboratories. While not inherently 21 CFR Part 11 compliant (as it lacks audit trail functionality), its measurement data can be exported manually for inclusion in GLP/GMP documentation systems when paired with testo’s Smart Probes software and certified calibration certificates.
Software & Data Management
The testo 830-T2 operates as a standalone field instrument with no onboard memory or Bluetooth/Wi-Fi connectivity. All data logging must be performed manually via operator annotation or synchronized externally using compatible testo Smart Probes accessories (e.g., testo 160 series loggers). For calibration management, users may request NIST-traceable certificate documentation (optionally with uncertainty budget) directly from authorized testo service centers. Firmware updates are not supported—the device maintains fixed, factory-validated algorithms for IR signal processing and thermocouple linearization per IEC 60584-1 Annex B.
Applications
- Preventive maintenance: Thermal scanning of motor windings, bearings, circuit breakers, and transformer bushings
- HVAC/R diagnostics: Duct surface temperature mapping, coil frost detection, refrigerant line monitoring
- Food processing: Surface temperature checks of grills, ovens, chillers, and packaging lines per HACCP critical control points
- Building envelope inspection: Detection of thermal bridging, insulation gaps, and moisture-related anomalies
- Education & vocational training: Hands-on instruction in radiative heat transfer, emissivity effects, and non-contact metrology fundamentals
FAQ
Can the testo 830-T2 measure through glass or plastic?
No. Standard glass and many clear plastics are opaque to the 8–14 µm infrared band used by this instrument. Measurements taken through such barriers reflect the temperature of the barrier itself—not the object behind it.
What is the minimum target size for accurate measurement at 1 meter distance?
With a 12:1 optical resolution, the minimum measurable spot diameter at 1 m is approximately 8.3 cm. Smaller targets will result in averaging with background radiation and reduced accuracy.
Is the emissivity setting retained after power-off?
Yes. The selected emissivity value is stored in non-volatile memory and remains active across power cycles.
Does the device support data export or PC interface?
No. The 830-T2 has no serial, USB, or wireless interface. Data capture requires manual recording or integration with external logging systems.
Can I use third-party K-type probes with this instrument?
Only if they comply with IEC 60584-1 standard output characteristics and possess a compatible mini-DIN connector. testo recommends using original accessories to ensure full accuracy specification compliance.

