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200A Portable Primary Current Injection Test Kit

Supplier From China
Aug-25-20

TEST-200 200A primary current injection test kit adopts ARM Chip to control its output process and large capacity of toroidal transformers. It is equipped with current meter; it can show primary current value, second current value, the action time and voltage value. Packing is used as aluminum alloy body with PC panel. LCD screen display single-phase protective relay test device of voltage and current output stopwatch; a full isolation, adjustable AC and DC voltage, AC direct current; an adjustable DC voltage and an adjustable AC voltage; output circuit with double overload protection, high output capacity, small size, light weight, high reliability.
PARAMETERS
Electrical parameters
Accuracy ±0.5%
Power Supply(AC) 220V±10%·2000VA, 50Hz/60Hz or
110V±10%2000VA, 50Hz/60Hz
Current Output (AC) 200A5V or 100A10V
Capacity 2KVA
The current output waveform distortion 5%
Dual protection overload electronic protection and software protection
Primary current
Range 0-250A
Resolution 0.1A
Accuracy

Price and Minimum Quantity

Price: $6000
MOQ: Not Specified

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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.
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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
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Water Insolubles05%
Shelf Life(month)12
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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
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Appearance: white free-flowing crystalline powder without agglomeration
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Chloride (as Cl), % by weight 0.20(maximum)
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Iron (as Fe), % by weight 0.004(maximum)
Nonvolatile matter, % by weight 0.10(maximum)
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PACKING
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STORAGE
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