Name: Koehler Instrument - Automatic Saybolt and ASTM Colorimeter
Brand: Koehler Instruments
SKU: GQGHE4B9
Availability: InStock

Koehler Instrument - Automatic Saybolt and ASTM Colorimeter

GQGHE4B9

Brand: Koehler Instruments

Category: Colorimetry

Industry: Material Science & Chemistry, Petroleum & Petrochemicals, Cement, Iron & Steel, Paint, Pigments & Polymers

The Koehler K13153 Automatic High Precision Colorimeter is a spectrophotometric colorimeter engineered for accurate, repeatable color analysis of petroleum fuels, oils, waxes, and petrochemicals. It delivers objective and reproducible color data across all major ASTM, ISO, and CIE color scales, enabling tighter process control, contamination detection, and specification compliance for high-value products.

Request Quote

The K13150 Spectrophotometer is a high-precision analytical instrument designed for objective color measurement of petroleum fuels, oils, waxes, and petrochemical products. It ensures accurate and repeatable results in compliance with Saybolt and ASTM color scales, making it an essential tool for quality control and product evaluation.

Engineered for superior performance, the instrument features an extended sample path length, which is particularly beneficial when measuring Saybolt Color of clear, water-white samples. This design minimizes measurement errors and enhances accuracy without the need for result multiplication, ensuring reliable and consistent readings.

The advanced optical system provides precise color detection across a wide range of petroleum products, supporting laboratories and industrial facilities in maintaining product quality, detecting contamination, and meeting regulatory standards.

Ideal for refineries, petrochemical laboratories, and quality control environments, the K13150 delivers dependable performance, improved accuracy, and efficient color analysis for critical applications.

Conforms to ASTM D156, D1500, D6045 and related specifications
Designed for color measurement of mineral oils, waxes and other petroleum products
Spectral Range 420-710nm

Parameter	Specification
Conformance Standards	ASTM D156, D1209, D1500, D6045, E308; ISO 2049; NF M 07-003; NF M 60-104; JIS K 2580
Measurement Principle	16 interference filters (420 – 710 nm)
Bandwidth	20 nm
Repeatability	Chromaticity (x y): ± 0.0002; Transmittance: ± 0.25 %; Saybolt: ± 1
Measurement Time	< 25 seconds
Calibration	Automatic, single-key press
Light Source	5 V, 10 W tungsten-halogen lamp (lens-ended)
Illuminants	CIE A, C, D65
Observers	2°, 10°
Path Length Range	0.004 – 6 in (0.1 – 153 mm)
Display	2 × 40-character backlit LCD
Keypad	21-key membrane (washable, audible feedback)
Interface	RS-232 port / Parallel printer port
Software	Windows data acquisition & control package
Input Voltage	Universal via external power supply
Approvals	CE marked
Heater Unit (optional)	95 °C maximum
Housing	Fabricated sheet steel, textured paint finish
Dimensions (W×D×H)	20 ¼ × 7 ¾ × 6 ¾ in (51.5 × 19.5 × 17.0 cm)
Net Weight	17.1 lb (7.75 kg)

Quality control of petroleum fuels, lubricants, waxes, and base oils
Refinery and blending operations – verify Saybolt and ASTM color conformity
Petrochemical manufacturing and R&D – monitor consistency across production batches
Waxes and solid hydrocarbons – optional heater for molten sample testing
Regulatory color compliance for ASTM, ISO, and CIE specifications

Koehler Instrument - Automatic Saybolt and ASTM Colorimeter