Temperature Verification and Calibration
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| Brand | AMETEK JOFRA |
|---|---|
| Origin | Denmark |
| Instrument Type | Dry-Block Calibrator |
| Temperature Range | −100 °C to 1205 °C |
| Models | RTC, PTC, CTC, MTC, ETC Series |
| Accuracy (typ.) | ±0.04 °C to ±0.5 °C |
| Stability (typ.) | ±0.005 °C to ±0.1 °C |
| Display | Full-color touchscreen interface |
| Control Architecture | Active dual-zone or triple-zone thermal control (RTC), MVI active power fluctuation immunity (CTC/MTC), DLC dynamic load compensation (RTC) |
| Compliance | Designed for ISO/IEC 17025-accredited calibration labs |
| Brand | Ametek JOFRA |
|---|---|
| Origin | Denmark |
| Product Type | Reference-Grade Dry-Block Temperature Calibrator |
| Model | RTCt Series |
| Temperature Range | –35 °C to 125 °C (standard block), –35 °C to 660 °C (with optional high-temp block) |
| Display | 7-inch full-color capacitive touchscreen with customizable UI |
| Connectivity | USB, Ethernet, Wi-Fi (IEEE 802.11 b/g/n) |
| Dual Sensor Inputs | Yes (simultaneous dual-channel reference and UUT monitoring) |
| Auto Ramp/Soak Control | Full rate control across all operating modes (ramp, soak, switch, multi-step) |
| Preset Temperatures | Up to 6 user-defined setpoints with nameable calibration profiles |
| Graphical Stability Monitoring | Real-time dual-mode visualization (absolute temperature vs. stability threshold → automatic transition to delta-T relative mode upon stabilization) |
| Multi-Step Switch Calibration | Up to 5 sequential temperature switches per automated sequence |
| Compliance | Designed for ISO/IEC 17025 accredited labs |
| Brand | ASP / Advanced Sensing Products |
|---|---|
| Origin | USA |
| Manufacturer Type | Authorized Distributor |
| Product Category | Imported Instrumentation |
| Model | YKF Series |
| Instrument Class | Temperature Verification and Calibration System |
| Temperature Range | –260 °C to +850 °C |
| Nominal Resistance at 0.01 °C | 25.5 Ω or 100 Ω (per model) |
| TCR (Temperature Coefficient of Resistance) | 0.003850 Ω/Ω/°C or 0.003925 Ω/Ω/°C |
| Long-Term Stability | <0.0025 °C/year @ 0 °C |
| High-Temperature Drift (500 h) | <0.006 °C @ 500 °C |
| Repeatability | <0.0005 °C (–260 °C to 260 °C, 20 cycles) |
| Probe Diameter | 3.2 mm (standard sensing tip) |
| Standard Sheath Diameters | 4.78 mm or 6.35 mm |
| Standard Length | 305 mm |
| Vibration Resistance | 20 G, 10–2000 Hz |
| Standard Connector | 6-pin |
| Optional Connectors | Spade terminals, 5-pin DIN, 2-pin DIN, 4-pin DIN |
| Brand | ASP/Advanced Sensing Products |
|---|---|
| Origin | USA |
| Manufacturer Type | Authorized Distributor |
| Product Category | Imported Instrument |
| Model | YKF200 |
| Instrument Type | Temperature Verification and Calibration System |
| Temperature Range | −260 °C to +260 °C |
| Nominal Resistance | 25.5 Ω or 100 Ω at 0 °C |
| TCR (α) | 0.003850 Ω/Ω/°C or 0.003925 Ω/Ω/°C |
| Stability Drift | <0.0025 °C/year at 0 °C |
| Repeatability (R₀) | <0.0005 °C over 20 consecutive cycles across full range |
| Vibration Resistance | 20 G, 10–2000 Hz |
| Dimensions | Ø3.2 mm × 9.7 mm |
| Fill Gas | Dry Helium |
| Sheath Material | Gold-Plated Copper |
| Primary Application | NIST-Traceable Cryogenic Reference Standard |
| Brand | ASP / Advanced Sensing Products |
|---|---|
| Origin | USA |
| Manufacturer Type | Authorized Distributor |
| Product Category | Imported Instrument |
| Model | YKI1100 |
| Instrument Class | Temperature Verification and Calibration System |
| Temperature Range | −200 °C to 1100 °C |
| Nominal Resistance | 10 Ω or 100 Ω (customizable at 0.01 °C reference) |
| Temperature Coefficient of Resistance (TCR) | 0.003850 Ω/Ω/°C |
| Stability | ΔR₀ < 0.1 °C after 100 h continuous exposure at 1100 °C |
| Repeatability | ΔR₀ < 0.020 °C over 10 consecutive cycles from 25 °C to 1100 °C |
| Shock & Vibration Resistance | Withstands 20 G acceleration across 10–5000 Hz frequency range |
| Standard Probe Dimensions | Ø6.35 mm × 450 mm (custom lengths/diameters available) |
| Brand | ASP/Advanced Sensing Products |
|---|---|
| Origin | USA |
| Manufacturer Type | Authorized Distributor |
| Product Category | Imported Instrument |
| Model | YKS Series |
| Instrument Type | Temperature Verification and Calibration System |
| Temperature Range | -250 °C to +850 °C |
| Nominal Resistance at 0.01 °C | 25.5 Ω or 100 Ω (customizable) |
| Temperature Coefficient of Resistance (TCR) | 0.003850 Ω/Ω/°C or 0.003925 Ω/Ω/°C |
| Accuracy Class | IEC 60751 DIN Class A (±0.06 °C), Class B (±0.12 °C), or W(Ga) ≥ 1.11807 |
| Long-Term Stability | R₀ drift < 0.002 °C after 1000 h at 300 °C |
| Repeatability | R₀ deviation < 0.005 °C over repeated cycling from −196 °C to +850 °C |
| Probe Housing Material | Inconel® alloy (nickel-chromium) |
| Standard Probe Dimensions | Ø 0.188" (4.78 mm), Ø 6 mm, or Ø 0.25" (6.35 mm) |
| Vibration Resistance | Withstands 20 G acceleration across 10–2000 Hz |
| Brand | ISOTECH |
|---|---|
| Origin | United Kingdom |
| Model | 993, 996 |
| Instrument Type | Blackbody Calibrator |
| Temperature Range | −10 °C to 550 °C |
| Stability | ≤ 0.1 °C |
| Temperature Resolution | 0.01 °C |
| Warm-up Time | 40 min (from ambient to 80 °C) |
| Cool-down Time | 45 min (from ambient to −10 °C) |
| Operating Ambient Temperature | −29 °C to 50 °C |
| Cavity Aperture | 50 mm (Model 993), 65 mm (Model 996) |
| Emissivity | > 0.995 |
| Temperature Uniformity | ≤ ±0.15 °C or ±0.15% of reading (whichever is greater) |
| Enclosure Rating | IP56 |
| Interface | RS-232 |
| Internal Cavity Dimensions | 355 mm × 279 mm × 406 mm |
| External Dimensions (D×W×H) | 355 mm × 279 mm × 406 mm |
| Mass | 18.1 kg |
| Compliance | MIL-PRF-28800F, BS EN 60068-2-1:2007, BS EN 60068-2-14:2009, ISO 3744:2010 |
| Brand | ISOTECH |
|---|---|
| Origin | United Kingdom |
| Product Type | Portable Dry-Block Temperature Calibration System |
| Primary Components | Millik Precision Thermometer + ISOTECH Dry-Block Furnace (Model B) |
| Temperature Range | −45 °C to 1200 °C |
| Measurement Channels | 3 independent inputs (simultaneous differential measurement supported) |
| Input Types | Thermocouples (all standard types), RTDs (Pt100, Pt1000), Thermistors (2-wire/3-wire/4-wire), and 4–20 mA current loops |
| Internal Reference | Built-in ITS-90 temperature conversion algorithms |
| Compliance | Designed for traceable calibration per ISO/IEC 17025, ASTM E2877, and IEC 60584 |
| Software Interface | USB and RS232 connectivity with optional ISOTECH CalSoft™ for automated calibration reporting and audit trails |
| Brand | JOFRA |
|---|---|
| Origin | Denmark |
| Model | MTC Marine Dry-Block Calibrator |
| Temperature Range | 28 to 650°C |
| Stability | ±0.1°C |
| 1-Year Accuracy | ±0.9°C |
| 3-Year Accuracy | ±1.8°C |
| Power Supply Immunity | MVI (Microprocessor-Based Voltage Independence) Technology |
| Weight | Lightweight, Portable Design |
| Block Configuration | Multi-Hole Insert Kit Included |
| Application | In-Situ Calibration on Vessels and Offshore Platforms |
| Brand | KE-Technologe GmbH |
|---|---|
| Origin | Germany |
| Model | LP4 / LP5 |
| Temperature Range (LP4) | 650–3000 °C (Si detector) |
| Temperature Range (LP5) | up to 3400 °C (Si), up to 2500 °C (InGaAs) |
| Photocurrent Range | 1 pA – 8 nA |
| Accuracy Class | ±0.1% of reading |
| Spectral Bandpass | Interchangeable interference filters from 500 nm to 1600 nm (standard: 650 nm ±10 nm HBW) |
| Field of View | Target diameter 0.22 mm (LP5) / 0.25 mm (LP4) |
| Objective Lens | f = 143 mm, achromatic |
| Working Distance | 600 mm or 2000 mm (target-to-lens) |
| Expanded Uncertainty (k=2) | 0.8 K @ 1200 K, 1.2 K @ 1600 K, 2.1 K @ 2000 K, 3.4 K @ 2400 K, 4.8 K @ 2800 K |
| Long-Term Stability (6 months, 22 °C ±3 °C, k=1) | 0.25–2.4 K depending on temperature point |
| Power Supply | 115 V or 230 V, 50/60 Hz |
| Dimensions (H×W×D) | Host unit: 600×178×140 mm (LP4), 500×138×120 mm (LP5) |
| Power supply | 215×110×78 mm (LP4), 220×120×75 mm (LP5) |
| Weight | Host ~12 kg (LP4), ~9 kg (LP5) |
| Brand | Biaozhuo |
|---|---|
| Origin | Shanghai, China |
| Model | YCM-T |
| Measurement Range | 0–2000 pS |
| Expanded Uncertainty | ≤1% (k=2) |
| Dimensions (L×W×H) | ≤250 mm × 170 mm × 180 mm |
| Weight | ≤2.5 kg |
| Interface | BNC + Terminal Block |
| Insulation Resistance (between terminals) | ≥1×10¹³ Ω·m |
| Brand | VNIIOFI |
|---|---|
| Origin | Russia |
| Model | LABB |
| Temperature Range | −60 °C to +180 °C |
| Temperature Stability | ±0.02 °C (maintained by liquid thermostat) |
| Aperture Diameter | 500 mm |
| Effective Emissivity @ −60 °C | ≥0.99 |