Purpose:
The instrument is designed and made as per the National Standard GB/T 1884-2000 ¡°Test Methods for Density of Petroleum and Liquid Petroleum Products (Densimeter Methods)¡±. It is suitable to determine density of liquid petroleum products using a densimeter.
Working condition:
1. Ambient temperature: -10¡æ ¡« +40¡æ; the temperature should not change for more than ¡À2¡æ;
2. Relative humidity: ¡Ü85£¥;
3. The instrument should be placed on a flat workbench during operation and please try your best to reduce air convection during a test.
4. If the instrument is not used for a long time, please store it at a dry place.
Technical parameters
1. Power supply: AC 220V¡À10£¥, 50 Hz;
2. Cubage of bath: §¶300¡Á380 mm;
3. Heating power: 700 W; 1000 W;
4. Temperature controller:
(1) Temperature controlling range: 0¡æ¡«100¡æ;
(2) Temperature controlling accuracy: ¡À0.2¡æ;
(3) Temperature sensor: Industrial platinum resistance, Pt100;
5. Thermometer: total immersion mercury thermometer with scale division of 0.2.
The instrument is designed and made as per the National Standard of People¡¯ Republic of China GB/T380 ¡°Test Methods for Sulfur Content of Petroleum Products (Lamp Methods)¡±. It is suitable to determine the sulfur content of light petroleum products (gasoline, and kerosene, etc) whose vapor pressure is not more than 600 mmHg as per the GB/T380 standard.
Main technical specification and parameters
1. Power supply: AC 220 V ¡À 10%, 50 Hz
2. Quantity of the sample: take five groups independently, can do test for each group independently.
3. Electromagnet pump: Five independent groups of main electromagnet, The vacuum pressure of each group can be adjusted independently.
4. Vacuum magnetism adjustment: stepless regulation by a potentiometer
5. Lamp adjustment: it can be adjusted up and downs. The adjustment range should not less than 15 mm;
6. Materials: the workbench and test tube holder are made of stainless steel.
7. Test tube holder: Each holder can be adjusted independently. Its adjustment range is not less than 20 mm.
8. Ambient temperature: -10 ¡æ¡« 40 ¡æ
9. Relative temperature: ¡Ü 85%
10. Total power consumption: not more than 150 W
Purpose
The instrument is designed and made as per the National Standard GB/T3536 ¡°Test Methods for Flash Point and Fire Point of Petroleum Products (Cleveland Open Cup Methods), and T0651 ¡°Asphalt Flash Point and Fire Point Test (Cleveland Open Cup Methods)¡± in the Industry Standard JTJ052 Specification and Test Methods of Bitumen and Bituminous Mixtures for Highway Engineering. It is used to determine flash point of petroleum products and bituminous materials, excepting fuel oil and materials having a flash point of lower than 79 ¡æ.
Adopt microprocessor techniques and equipped with advanced system software, it can control temperature, apply flame, ignite, detect flash point, and print out test data automatically. It has a 6 digits display. 4 digits for temperature display and the other 2 digits for time display.
Technical parameters
(I) Operation condition
1. Ambient temperature: 20¡À5¡æ
2. Relative humidity: < 80%
3. Power supply: AC 220V¡À10£¥, 50¡À1Hz
(II) Temperature measurement
1. Measurement range: ambient temperature~350¡æ
2. Test accuracy: 0.2%
3. Resolution: 0.1¡æ
4. Repeatability:
(1) Flash point is lower than 150 ¡æ: error is less than 4 ¡æ
(2) Flash point is higher than 150 ¡æ: error is less than 6 ¡æ
(III) Basic parameters:
1. Speed rising speed: as per GB/T 3536-83
2. Ignition mode: By a gas flame (4 mm)
3. Total power consumption: not more than 400 W.
The instrument is designed and made as per GB/T261 ¡°Test Methods for Flash Point of Petroleum Products (Closed Cup Methods)¡±. It is used to determine the lowest temperature of a petroleum product sample when the mixture of sample vapor and air around the sample contacts flame and flashes when heated in a closed cup under stipulated condition. The lowest temperature is the flash point of the petroleum product sample. The instrument has function of automatic program temperature controlling, automatic barometric pressure modification, and modified value calculation. It can automatically control measurement procedures and test data, and it can also save, analyze and print out test data.
Technical parameters
1. Power supply: AC 220V¡À10%, 50Hz.
2. Temperature measurement:
(1) Measurement range: ambient temperature~250
(2) Flash point is lower than 104 ¡æ, error is 2
Flash point is higher than 104 ¡æ, error is 6
(3) Resolution: 0.1
(4) Precision: 0.5%
3. Basic parameters:
(1) Temperature rising rate: as per GB/T261
(2) Ignition mode: gas flame is 3~4©L
4. Ambient temperature: 10~40
5. Relative humidity: ¡Ü80£¥
6. Total power consumption: not more than 350 W.
The instrument is designed and made as per the National Standard GB/T387 ¡°Test Methods for Sulfur Content of Dark Petroleum Products (Tubular Oven Methods)¡±. It is suitable to determine sulfur content of dark petroleum products. Place sample in a quartz boat and completely burn sample in the high temperature air at a stipulated flow rate. Absorb sulfurous anhydride and sulfuric anhydride produced from combustion using peroxide and sulfuric solution. Then make titration for sulfuric acid produced using sodium hydroxide solution.
Technical characteristics
1. The instrument is mainly composed of tubular oven, oven temperature controller, flow meter, and display.
2. Adopt microprocessor to form the intelligent controlling system, it can control determination time, oven movement, and alarm system automatically.
3. After preset oven moving mode, the oven can move, stop moving and return back to initial state automatically as per the requirement of test procedures.
4. It has two parallel tubular ovens in horizontal type, so it can make determination for 2 samples at the same time. It is efficient, accurate and reliable.
5. Equipped with air source and a joint for outer air source, so you can use inner air source of the instrument or outer air source.
Technical parameters
1. Power supply: AC 220V¡À10%, 50Hz
2. Type and quantity of heating oven: parallel tubular ovens in horizontal type
3. Chamber diameter of oven: ¦µ22mm
4. Heating power of oven: 1400W¡Á2
5. Max. Temperature of oven: 950¡æ
6. Moving distance of oven: not less than 135 mm
7. Air flow rate: not less than 150 L/h
8. Max. Preset time: 99 min 59 s (100 min).
