60Kv 2Ma Dc Cable Test System

Dc high voltage generator adopts high frequency pulse width modulation (PWM) technology to makeclosed adjustment with high voltage stability, small ripple factor and fast reliable protection circuit. The wide temperature LCD screen adopts green back light, which enables clear display either in bright light or in darkness. High-pressure components use Dupont new filling material, making the product more stable and reliable. Products are widely used in electricity power supply departments, power transmission and transformation engineering company and preventive test of large industrial enterprises and scientific research institutes as regulated dc high voltage power supply.



product features Product Characteristics
1ã??The output voltage is stable: the high-frequency voltage doubler circuit is applied and the new PWM pulse width modulation technology and the voltage and current double closed-loop feedback technology are applied to improve the power supply adjustment rate and the load adjustment rate so that the voltage stability is high and the ripple is small.

2ã??comprehensive protection: full protection function with zero protection over-voltage protection over-current protection breakdown protection protection circuit uses nanosecond-level special sensor action fast and reliable effectively protect personal and equipment safety.

3ã??0.75U function: Add intelligent high-precision 0.75U function one-button button press this button the voltage and current will automatically jump to the 0.75U state which is conducive to the test of zinc oxide arrester.

Product Introduction
Dc high voltage generator adopts high frequency pulse width modulation (PWM) technology to makeclosed adjustment with high voltage stability, small ripple factor and fast reliable protection circuit. The wide temperature LCD screen adopts green back light, which enables clear display either in bright light or in darkness. High-pressure components use Dupont new filling material, making the product more stable and reliable. Products are widely used in electricity power supply departments, power transmission and transformation engineering company and preventive test of large industrial enterprises and scientific research institutes as regulated dc high voltage power supply.



product features Product Characteristics
1 The output voltage is stable: the high-frequency voltage doubler circuit is applied and the new PWM pulse width modulation technology and the voltage and current double closed-loop feedback technology are applied to improve the power supply adjustment rate and the load adjustment rate so that the voltage stability is high and the ripple is small.

2 comprehensive protection: full protection function with zero protection over-voltage protection over-current protection breakdown protection protection circuit uses nanosecond-level special sensor action fast and reliable effectively protect personal and equipment safety.

3 0.75U function: Add intelligent high-precision 0.75U function one-button button press this button the voltage and current will automatically jump to the 0.75U state which is conducive to the test of zinc oxide arrester.

4 zero boost: The boost potentiometer starts from zero adopts imported multi-turn potentiometer the boosting process is stable and the adjustment precision is high.

5 over-voltage setting: over-voltage setting uses digital dialing switch easy to operate and has a high setting accuracy.

6 one-piece design: the choice of integrated design Host and double pressure cylinder is placed in a chassis. The imported high-frequency high-voltage rectifier diode is used to make the double-pressure cylinder small in size improve the efficiency of the whole machine and is easy to carry.

7 reliable performance: the key components use high-performance imported components the pressure roller is coated with special insulating materials good electrical performance strong moisture resistance no leakage.

8 the operation is simple: the instrument interface each function button the layout is reasonable the instructions are clear easy to learn and use.

Product Introduction
Dc high voltage generator adopts high frequency pulse width modulation (PWM) technology to makeclosed adjustment with high voltage stability, small ripple factor and fast reliable protection circuit. The wide temperature LCD screen adopts green back light, which enables clear display either in bright light or in darkness. High-pressure components use Dupont new filling material, making the product more stable and reliable. Products are widely used in electricity power supply departments, power transmission and transformation engineering company and preventive test of large industrial enterprises and scientific research institutes as regulated dc high voltage power supply.

Commodity: Sodium Hydrosulfite
Other name: Synonyms: Sodium Hydrosulphite; Sodium Dithionite; Dithionous acid, Disodium salt; Sodium Sulfoxylate
CAS No.: 7775-14-6
Molecular Weight: 174.10
Chemical Formula: Na2S2O4

Product Description
Appearance: White, crystalline powder.

Product Feature
Odor: Slight irritative.
Specific Gravity: Unavailable
Solubility: Soluble in water.
Density: 2.19
pH: 6-7
pH Test-Method: PH test paper.
% Volatiles by volume @ 21C (70F): 0
Boiling Point: Not applicable.
Melting Point: >300 C Decomposes.
Vapor Pressure (mm Hg): No information found.
Bulk Density: ~0.9
Evaporation Rate (BuAc=1): No information found.

Application
1. Widely used in textile industry for vat dyeing, reduction cleaning, printing and stripping, textile textile bleaching .
2. bleaching paper pulps , especially mechanical pulps, its the most fittable bleaching agent in pulps.
3. bleaching kaolin clay, fur bleaching and reductive whitening, bleaching of bamboo products and straw products,
4. in mineral, the compound of thiourea and other sulphides.
5. as reducing agent in chemical industry.
6. Sodium hydrosulfite food additive grade is used in foodstuffs, as bleaching agent and preservative dried fruits, dried vegetable, vermicelli, glucose, sugar, rock sugar, caramel, candy, liquid glucose, bamboo shoots, mushrooms and canned mushrooms.

Packaging 50kg/100kg net in iron drums with double PVC bags

Product Specification/Models
NDEX 90%, 88%, 85%. FOOD ADDITIVE
Na2S2O4, 90%, 88%, 85%, Fe 20ppm ZincZnOther heavy metal
calculated as Pb, 1ppm
Water Insolubles05%
Shelf Life(month)12

Commodity: Sodium Bisulfite
Molecular Formula: NaHSO3
Molecular Weight: 104.06

Properties: White monoclinic crystalline powder with sulfur dioxide odor; relative density: 1.49; very easily soluble in water; can be decomposed when heated; slightly soluble in ethanol; aqueous solution is acidic; has strong reducing property; can be oxidized in the air or loose sulfur dioxide.

Quality Standard: HG/T3492-80
Technical Indicator High-purity grade Acrylic grade Food grade Refined grade Industrial grade 1
NaHSO3 % 99.5
Insol. in water % 0.003, 0.005, 0.03, 0.04, 0.05
Chloride(Cl) % 0.003, 0.004
Iron(Fe) % 0.001 0.002 0.005
Heavy metal(Pb) 0.001
Arsenic(As) % 0.0001
Clarity test Qualified

Use: It is used in the bleaching of cotton textiles; as reducing agent in dyes, paper-making, leather, chemical synthesis; in the manufacture of pharmaceutical intermediates, developer, food bleacher, antiseptic and anti-oxidants.

Packing: In PP woven bag lined with PE bag; paper-plastic composite bag, and kraft paper bag etc.

Net wt.: 25/50/1000 kgs/bag or upon clients' request.

Commodity: Ammonium bicarbonate Food grade
Molecular formula:NH4HCO3
Molecule Weight: 79.05
H.S code: 2836994000
CAS: 1066-33-7

Product Physical Properties
WHITE POWDER CRYSTAL, SPECIFIC GRAVITY IS 1.586, IT CANDISSOLVE IN WATER, BUT CANT DISSOLVE IN ALCOHOL AND ACETINE.

Specifications:
Appearance: white free-flowing crystalline powder without agglomeration
Purity as Ammonium Bicarbonate ,% by weight 99.5 (minimum)
Chloride (as Cl), % by weight 0.20(maximum)
Sulphates (as SO4),% by weight 0.10(maximum)
Iron (as Fe), % by weight 0.004(maximum)
Nonvolatile matter, % by weight 0.10(maximum)
Heavy metals (as Pb), ppm 2.50(maximum)
Copper (as Cu), ppm 5.0(maximum)
Arsenic (as As), ppm 0.6(maximum)
Tarry matter To pass test
Oil Content Less than 10 ppm
Melamine Content NIL

USAGE
BAKING FOODS SUCH AS CRISP CAKE, BISCUIT ETC. IN ADDITION, ITALSO WIDELY USED IN CHEMICAL FIELD SUCH AS FLOUR BRIGHTENING AGENT,RARE EARTH DEEP PROCESSING, MEDICINE MIDBODY, PLASTICS PROCESSING,ELECTRONIC ELEMENT ETC.

PACKING
OUTSIDE IS WEAVE BAG OR PAPER BAG, INSIDE IS FOOD PLASTICSBAG, 25KG/BAG. THE PACKING ALSO CAN ACCORDING TO CONSUMERS REQUEST.

STORAGE
Stored in a cool, ventilated, dry place.

Product description
120KV 10ma DC Cable Test System is an important equipment for DC voltage withstand test and leakage current test of HV electrical equipments, cables, surge arresters in electriv industry and power supply departments. 120KV 10ma DC Cable Test System is developed based on the calibration made by National HV Meterage Station, it accords with the standard "Generation Requirement of Portable HVDC Generator"(ZGF 24003-90)

Technique Index

1. power: AC220V+10%, 50Hz+1%

2. Output voltage indicator accuracy:

Apple peeling machine ,Apple washing peeling remove seeds half cutting in one machine which also can process pear and other same kind fruits vegetables.
Number of valve openings: determined by the user
Production capacity: 45-50 pcs/min, 16 plugs (one circle)
Peeling thickness: 1.1-1.3mm adjustable
Suitable fruit diameter: 65-120mm
Denucleation diameter: 22mm (can be determined according to user requirements)
Peel removal rate: â?¥ 95 �°/�° (normal apples, non rotten fruits, dry scars, irregular fruits.) Excluding both ends.
Total power of equipment: 2.25kw
Equipment specifications: host; 1800 * 1050 * 2100mm
auxiliary equipment 3300 * 1200 * 900mm
Equipment weight : 850kg
Equipment gas consumption: 0.65 m3/min
Advanced technology : samll area,efficient,sanitary,easy operate and clean,saving labor costs .

Keywords:
Apple process machine apple machinery fruit machinery ,pear /apple/round fruits/vegetable peeler,
fruit process machine ,apple/pear peeling machinery ,apple /pear seeds remove machine/machinery
Canned apple /pear /fruits making machine
applesauce making machine applesauce process machinery /equipment,
apple ring making machine ,apple production line
apple plant ,apple/pear half cutting machinery