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Emc Test Equipment Eft/ Burst Generator

Supplier From China
Dec-16-17

Switching the transient process (to cut off inductive load, relay contact bounce, etc) usually interferes with other electrical and electronic equipment in the same circuit. This type of interference is characterized by high amplitude, short rise time, high repetition rate and low energy. Pulse generators are used for evaluating the performance of electrical and electronic equipment power supply port, signal, control and grounding ports when subjected to electrical fast transient burst interference.
The EFT S/ T series are the state-of-the-art EFT/ Burst testers with a built-in coupling/ decoupling network for single phase or three-phase mains supply line and a HV terminal to connect a capacitive coupling clamp. Its performance fully complies with IEC 61000-4-4 standard.

Features
1) Fully Compliant with latest Standards IEC/ EN 61000-4-4
2) User friendly 7â?� Touch Panel Display
3) Support multi-language & facilitate users
4) Built-in environment self-test program
5) Programmable operation
6) Pre-programmed IEC 61000-4-4 test settings
7) The highest pulse frequency is up to 1.2MHz
8) RS232 interface, PC control operation & printable test report
9) Comfortable use and convenient operation

Technical data
1) Model: EFT S4
2) Output Voltage: 0.1~ ±5KV
3) Frequency: 1KH~1.2MHz ±10% , continuous adjustable
4) Pulse Polarity: Positive/ negative/ alternating
5) Running Time: 1~9999s, continuous adjustable
6) Internal Resistance: 50Ω ±10%
7) Pulse Front Edge: 5ns ±30%
8) Pulse Width
50ns ±30% (50Ω load),
35ns~150ns (1kΩ load)
9) Pulse Number
1~255, continuous adjustable
10) Phase Angle
0~359°synchronous, asynchronous, or automatic
11) Burst Period:
0.15~99.99s, continuous adjustable
12) Coupling/ Decoupling network:
Built-in, single-phase three-wire, 16A
(customer specific on demand)
13) Power Supply:
AC 220V ±10% 50/ 60Hz
14) Ambient Temperature:
15~35

Price and Minimum Quantity

Price: $4900
MOQ: Not Specified

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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
GOLD Member
Feb-02-18
 
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.

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