Wilks
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| Brand | Wilks |
|---|---|
| Origin | USA |
| Model | InfraCal Series |
| Instrument Type | Portable |
| Wavenumber Range | 3400 nm (2941 cm⁻¹) |
| Spectral Resolution | 2 nm |
| Scan Time | 10 minutes per analysis |
| Signal-to-Noise Ratio | 1000:1 |
| Detection Range | 0.1–5000 ppm (hydrocarbons) |
| Compliance | ASTM D7066, EPA Method 1664, EPA 413.2, EPA 418.1, ISO 9377-2 |
| Brand | Wilks |
|---|---|
| Origin | USA |
| Model | HATR-CP |
| Instrument Type | Portable Soot Analyzer |
| Analytical Wavelength | 3.9 µm (2553 cm⁻¹) |
| Sample Interface | Cubic Zirconia ATR Crystal |
| Display | 4-digit, 7-segment red LED (5/8″ character height) |
| Power Supply | 12 V DC, 2.0 A (universal AC/DC adapter included) |
| Weight | 2.0 kg |
| Dimensions | 165 × 165 × 225 mm |
| Operating Temperature Range | 4 °C – 45 °C |
| Typical Soot Measurement Range | 0–15 % w/w |
| Output Resolution | 0.0001 |
| Analysis Time | < 30 s |
| Repeatability | 0–3 % soot ±0.1 % |
| Calibration Memory | Factory 0–10 % soot curve + user-defined up to 20-point calibration |
| Communication | RS-232 (9-pin D-sub female, PC-compatible) |
| Compliance | ASTM D7686-11 |
| Brand | Wilks |
|---|---|
| Origin | USA |
| Model | InfraCal2 |
| Instrument Type | Portable |
| Principle | Infrared Spectrophotometry (C–H Stretch Absorption at ~2960 cm⁻¹) |
| Measurement Range | 0.3–1000 ppm (as oil) |
| Detection Limit | 0.3 ppm |
| Accuracy | ±0.3 ppm (at low end, per ASTM D7066) |
| Resolution | 2 ppm |
| Data Storage | Internal memory for ≥500 results |
| Power | Rechargeable Li-ion battery |
| Interface | USB 2.0 for data export |
| Solvent Consumption per Test | 0.2 mL |
| Calibration | Multi-point, user-definable curves for TOG, FOG, TPH |
| Brand | Wilks |
|---|---|
| Origin | USA |
| Model Series | InfraSpec VFA-IR (E, ES, EB), InfraCal Biodiesel Blend Analyzer, InfraCal Ethanol Blend Analyzer |
| Measurement Principle | Fourier-transform infrared (FTIR) spectroscopy with fixed-filter mid-IR detection |
| Sample Type | Liquid fuels and feedstocks (non-volatile and volatile) |
| Detection Capabilities | Biodiesel (FAME) in diesel, ethanol in gasoline, water in ethanol/methanol, free fatty acids (FFA) in feedstock, total glycerides, low-level biodiesel (ppm range) |
| Output Format | Direct % v/v readout for blends |
| Compliance | Designed to support ASTM D7371 (biodiesel in diesel), ASTM D4806 (ethanol in gasoline), EN 14078, and ISO 12937 methodologies |
| Portability | Handheld or benchtop configurations with ruggedized industrial housing |
| Power | Rechargeable Li-ion battery (field operation) or AC adapter |
| Data Interface | USB, optional Bluetooth |
| Software | Wilks WinISI III or InfraSoft Pro for calibration management, spectral review, audit trail, and CFR Part 11–compliant user access control |
| Brand | Wilks |
|---|---|
| Origin | USA |
| Manufacturer Type | Authorized Distributor |
| Import Status | Imported |
| Model | InfraSpec VFA-IR |
| Price | Upon Request |
| Power Supply | 12 V DC, 2.0 A |
| Weight | 1.5 kg |
| Dimensions | 152 × 165 × 70 mm³ |
| Operating Temperature Range | 5–40 °C |
| Relative Humidity Range | 0–98 % RH |
| Detector Array | 128-pixel linear pyroelectric array |
| Array Responsivity | 5.4–105 V/W |
| Spectral Range | 5.4–10.8 µm |
| Spectral Resolution | 25 cm⁻¹ |
| Ethanol Measurement Range (in gasoline) | 0–98 % v/v |
| Biodiesel Measurement Range (in diesel) | 0–100 % v/v |
| Analysis Time | < 60 s |
| Repeatability | ±0.2 % (0–20 % concentration), ±1 % of concentration (20–100 %) |
| Communication Interfaces | RS-232 and USB |
| ATR Crystal Material | Zinc Selenide (ZnSe) |
| ATR Surface Area | 50 mm × 16 mm |
| Part Numbers | 405-2017-1013 (Model E), 405-2026-1013 (Model ES), 405-2017-1020 (Model EB) |