Colorimeter
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Product overview
Colorimeter quantifies chromaticity values for refined fuels and lubricants per ASTM D1500 and ASTM D156.
Two nos of highly transparent water baths are for detecting undesirable foaming characteristics in lubricating oils, which could cause inadequate lubrication, overflow and cavitation.
The instrument comprises a high temperature (normally 93.5 °C) and a room temperature (normally 24 °C) bath, each with the capacity to hold four 1000 ml graduated glass cylinders.
Each bath assembly comprises an inner glass bath contained in a polycarbonate safety vessel, a top mounted cryostat unit.
The bath has integral back-lighting with an opaque reflector which aids sample visibility and foam measurements. In addition, the low temperature bath has a cooling coil for use when the laboratory ambient temperature exceeds the required bath temperature, and two air normalising coils to cool the air emerging from the high temperature bath test cylinders before passing to external volume meters.
| ASTM D6045 | Standard test method for Colour of Petroleum Products by the Automatic Tristimulus Method |
| BS 5339 & ISO 2211 | Method of measurement of colour in Hazen units (platinum-cobalt scale) of liquid chemical products |
| ASTM D156 | Saybolt Colour of Petroleum Products (Saybolt Chrometer Method) |
| ASTM D1500 | Standard test method for ASTM colour of petroleum products (ASTM color scale) |
| ASTM D1209 | Standard test method for colour of clear liquids (Platinum-cobalt scale) |
| BS 2000-196 & ISO 2049 | Methods of test for petroleum and its products. Determination of colour (ASTM scale) |
| ASTM E308 | Computing Colours Using the CIE System |
| IP 196 | Standard test method for ASTM colour of petroleum products (ASTM color scale) |
| ASTM D5386 | Standard Test Method for Color of Liquids Using Tristimulus Colorimetry |
| BS EN ISO 6271 | Clear liquids. Estimation of colour by the platinum-cobalt colour scale |
- Automatic operation
- Multiple colour scales including ASTM and Saybolt
- Rapid measurement < 25 seconds
- Objective colour measurement
- RS232 interface
- Integrated remote calibration
| Measuring Principle | 9 interference filters |
| Spectral Response | 420 to 710 nm |
| Repeatability | Chromaticity; (x,y) ±0.0004 Transmittance; ±0.5% |
| Measurement times Calibration | Less than 25 seconds Single key press, fully automated |
| Light Source Illuminants | 5 V, 10 W tungsten halogen lamp CIE Illuminant A, B, C, D65 |
| Observers | 2 °, 10 ° |
| Path Length | 0.1 to 50 mm |
| Interface | USB,LAN, RS 232 |
| Data storage | 32 Data sets |
| Input voltage | Universal via external power supply |
| Display | 240 x 128 character back lit LCD |
| Keypad | 23 key membrane keypad, washable polyester, with audible feedback |
| Instructions | 9 languages – English, French, German, Italian, Spanish, Portuguese, Dutch, Chinese and Japanese |
| Size (HxWxD) Weight | 17 x 20 x 44 cm 7 kg |
| CCCN Code | Tariff 90275000 |
- Petrochemical, Research,
- Refineries,
- Testing laboratories,
- Lubricants
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