DLWD-ETBE12D-L primary electrical lighting skills assessment training system is designed and researched based on the teaching of conventional lighting circuits and outdoor lighting lines. Practical operation of electrical control circuit and practical electronic circuit can be carried out listed in the teaching material of Lighting Circuit Foundation Installation, Lighting Control Circuit can make students' operation skills get good exercise and improvement. The training device not only can be used as the practical teaching for vocational school students, but also is an ideal equipment for assessing primary and intermediate maintenance electrician skills.
Technical parameters of Electrical Training Education Equipment
1. Input power: Three phase five wire 380V±10%ã??50HZ
2. Working environment: Ambient temperature range -5ï½?40
3. Capacity:
AC power supply 1.5KVA
DC excitation power supply0.5A
Armature powerï¼?ï¼?2A
4. Dimension: 1810x720x1620mm (L*W*H)
5. Technical parametersï¼?
1ï¼?Input power: Three phase five wire 380V±10%ã??50HZ
2ï¼?Working environment: Ambient temperature range -5ï½?40
3ï¼?Capacity: AC power supplyï¼?ï¼?1.5KVA
6. The total power control has the function of leakage protection. When the leakage current reaches 30mA, the protection device moves.
7. The grid voltage indication is provided with 450V pointer type AC voltmeters. 3pcs.
Experimental contents of primary lighting training equipment
1 Switch control socket and lamp
2 Two dual double control switches control a light
3 Three switches control a light
4 Control of incandescent lamp by sound control switch
5 Experiment of single-phase watt hour meter
6 Connection circuit of single-phase electric energy meter through mutual inductor
7 Wiring circuit of AC voltmeter and AC ammeter
8 Measuring three-phase voltage with universal change-over switch
9 Three phase power factor meter wiring
10 Wiring diagram of three-phase four wire watt hour meter
11 Wiring diagram of three-phase four wire electric energy band transformer
Dolangs vocational education philosophy come from Germany, we are dedicated to independent research, produce and sale in the field of vocational education training equipment. Including Electronic Training Kits, Electrical Motor Control Trainer, PLC Training Teaching Equipment and other equipment. If you want, you can call us at any time.
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Name: 2-hydroxy-6-naphthoic acid Alias: 2,6 acid; 2-naphthol-6-carboxylic acid; 6-hydroxy-2-naphthoic acid; 6-hydroxy-2-naphthoic acid CAS NOï¼?16712-64-4 Molecular formula: c11h7o3 Molecular weight: 187.172 Product quality standard: Appearance characte Light yellow powder Content 99% 2-naphtholâ?¤0.10% 2,3-acidâ?¤0.10% melting point243-245�°C Loss on dryingâ?¤0.30% heavy metalâ?¤20ppm Application: used in medicine, liquid crystal, paint, etc. Packing: 25kg / cardboard barrel, or according to customer requirements
Commodity:Sodium sulfite Molecular Formula: Na2SO3 Molecule Weight: 126.04 Appearance: white or light yellow crystalline powder Item Value Top-grade First grade Qualified product sodium sulfite (Na2SO3),% 98.0, 96.0, 93.0 Fe,% 0.003 0.005 0.02 water-Insoluble ,% water-Insoluble ,% 0.02, 0.03, 0.05 Free alkali(as Na2SO3),% 0.10, 0.40, 0.80 Sulfate(as Na2SO4),% 2.5 Chloride(as NaCl),% 0.10 Uses: used in leather and tannage, plant bleaching agent, reductant Packing: in polythene plastic bag with a polypropylene overbag, paper-plastic composite bag, kraft bag, etc. Net weight: 25,50,1000kilograms per bag or following your demand.
Product Name Citric acid monohydrate Product Charactersï White Crystalline Powders, Colorless Crystals or Granules Executive Standards BP/USP/FCC/E330/GB1886.235-2016 Packaging plastic woven bag, 25kg net composite paper-plastic bags or 3-ply kraft paper bags with PE liner, 500kg or 1000kg net PP woven Jumbo bags Storage Kept in a light-proof, well-closed, dry and cool place Main Usage Citric Acid is mainly used as acidulant, flavoring agent, preservative and antistaling agent in food and beverage industry.it is also used as antioxidant, plasticizer and detergent in chemical, cosmetics and cleaning industries.
Commodity: Sodium Metabisulphite Molecular formula:Na2S2O5 Molecule Weight:190.10 H.S code:28321000 CAS:7681-57-4 Product Features Appearance : White Or Light Yellow Crystal Powder Odour: Sulfur Dioxide Taste : Salty Melting Poing : 150 Specific Density1.48 Ph : 4.0-4.6 Solubility : Soluble In Water ,insoluble In Alcohol Application: 1. For industry Mordant of printing and dyeing; Dechlorinate of textile after bleaching; Sulphonated agent and reducer of chemical industry and pharmacy; Bleach of paper pulp, bamboo and timber bleach of stapk; Treatment agent of waste water; Rubber solidifying agent ;Perfume industry is served as hydrocarbon perfume aldehyde ; The hide profession employ to do to molt dose and pliable dose and wearproof dose ,The sensitize industry is served as the developing agent reductant and the protection of fixing bath dose and so on; sewage treatment. 2.For food additive Bleach agent (e.g.candies, cake, bamboo shoots, etc);Loose agent (e.g.bread, cracker etc);Antiseptic and germicide (e.g.fruit juice, tinned foodbrews, the cereals food is defended storage etc);Inhibitor and freshen agent (e.g.day lily, seafood, fruit and vegetable etc) Specifications: Na2S2O5 97% min SO2 65% min Fe 0.0015% max water-Insoluble 0.01% max As 0.0001% max PH 4.0-4.6 Packing and Storage Knitted bags lined polyethylene plastic bags double packaging, Weighing 25Kg/50KG/1000Kg/1200kg. Transportation-and harsh rain. Stored in a cool, ventilated, dry place.
