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| Brand Name: | Shengtai Instrument |
| Model Number: | ST-138A |
| MOQ: | 1 carton |
| Payment Terms: | T/T |
| Supply Ability: | 20 cartons per week |
ST-138A Portable Edible Oil Refractive Index Meter with Ambient Temperature Range of 5-45C and Sample Size of 0.3ml for Oils
The ST-138A edible oil refractive index meter precisely measures the refractive index of oil esters, which can identify whether the oil is adulterated. This method is a conventional approach for quality and technical supervision departments to assess the quality of oils and is currently the most rapid screening method. It is suitable for the supervision of edible oil quality in the circulation field (including rapeseed oil, peanut oil, soybean oil, palm oil, blended oil and various salad oils). Especially the quality supervision and testing of bulk oil.
Product features
The LCD display screen directly shows the test results. It is compact and portable, with a handheld design, making it suitable for on-site testing.
2. It has an automatic zero adjustment function and does not require the use of any chemical reagents.
3. Digital display, high detection accuracy;
4. Improve the structural design to avoid interference from external light.
Technical indicators
1. Measuring range: Refractive index, 1.3330-1.5284
2. Measurement accuracy: Refractive index,0.0001
3. Accuracy: Refractive index, ±0.0003(at 20℃)
4. Measurement time: 3 seconds
5. Measuring temperature: 0-50℃
6. Ambient temperature: 5-45℃
7. Sample size: 0.3ml
8. Power Supply: 2 AAA batteries
9. Dimensions: 63*36*131mm
10. Weight: 200 grams
Note: The appearance pictures, dimensions, volume and weight of the instrument are for reference only. If the instrument is updated, there may be minor changes. No further notice will be given.
The refractive index of common edible oils
Product Name |
Refractive Index (n40) |
| Peanut oil | 1.460- 1.465 |
| Soybean oil | 1.466- 1.470 |
| Rapeseed oil (generally) | 1.465 to 1.469 |
| Low erucic acid rapeseed oil | 1.465- 1.467 |
| Coconut oil | 1.448- 1.450 |
| Corn oil | 1.456- 1.468 |
| Walnut oil | 1.467- 1.482 |
| Sesame oil | 1.465- 1.469 |
| Rice bran oil | 1.464- 1.468 |
| Cottonseed oil | 1.458- 1.466 |
| Grape seed oil | 1.467- 1.477 |
| Camellia oleifera seed oil | 1.460- 1.464 |
| Safflower seed oil | 1.467- 1.470 |
| Sunflower seed oil | 1.461- 1.468 |
| Palm oil (50℃) | 1.454- 1.456 |
| Flaxseed oil (n20) | 1.4785-1.4840 |