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EZ SDI-1 Automatic Silt Density Index

SKU: MTK-EZSD1-RODI
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Two versions of this product are available from this page: The EZ SDI-1 and the EZ SDI-1-Analog which has the optional Four 4-20 mA output.

THIS IS A LOW VOLUME SELLER, contact_us FOR A CUSTOM QUOTATION.

The RODI Systems EZ SDI™ automatically and consistently monitors the silt density index of RO feed water. Operators can quickly and regularly check the effectiveness of the RO pretreatment system without bothering with labor-intensive manual tests.

The EZ SDI™ is microprocessor controlled and fully automatic. The monitor is housed in a NEMA 4X enclosure and is designed for permanent installation in industrial environments. The filter holder allows the use of standard 25mm test filters available from a number of suppliers. Replacing the media is a two-minute process and the test is initiated with the press of a button.

The EZ SDI™ uses the same testing method as specified in ASTM D 4189-07. This standard method indicates the quantity of particulate matter in water and is applicable to relatively low (less than 1.0 NTU) turbidity waters such as well water, filtered water, or clarified effluent samples. Since the size, shape, and nature of particulates may vary, this test method is not an absolute measurement of the quantity of particulate in a particular water source. Maximum SDI values of RO feed water are commonly specified by RO membrane manufacturers, and demonstrating adherence to these SDI specifications may be necessary to receive guaranteed performance from the membrane supplier.

Continuous Sample Flow - The EZ SDI™ is designed for permanent installation. In order to prevent stagnant conditions in the sample line, the monitor continuously allows a side stream of sample to flow through the monitor up to the point where the sample enters the filter. A specially designed orifice controls the rate of this side-stream flow. The orientation of the flow control orifice also allows air in the sample line to be separated from the sample before the sample enters the filter holder.

Specifications

Discrete Outputs          One Normally-Open Form A, 2 Amp, 30 VDC/240 VAC

Analog Outputs            Four 4-20 mA (optional)

Serial Ports                 One RS-232 (RJ Connector) for data download

User Interface             4 x 20 LCD with backlight; 4 Keys, Tactile

Realtime Clock            Backed with Lithium Battery, 10 Year Life

Power                         120-240 VAC,50-60 Hz, 0.8 A

Enclosure                    NEMA 4X enclosure

Mounting                     Wall Mounting

Dimensions                 EZ SDI™:11" high x 15" wide x 9" deep; EZ SDI-4™:11" high x 22.5" wide x 9" deep

Electrical                     All connections via removable screw terminals.

Environment                0 to 50 C (32 to 122 F), 10 to 90% relative humidity, non-condensing

Certification                Complies with ASTM D4189-07.

Repait Parts Avaialble via Custom Order. CLICK HERE TO CONTACT US

Item Quantity in Package Part Number

Replacement filter disks for EZSDI 1 or 4. 25mm

disposable filter, 45 micron (package of 100)

1 496

2 year spare parts kit for EZ SDI-1C and EZ-SDI-4.

Includes one of PN 112, one of PN 258, two of PN

439, one of PN 465, one of PN 498, one of PN 507

and one of PN 902. This kit is put together for the

purpose of replacing parts after two years of use.

1 EZ-SDI-2YSPK

EZ-SDI Sample Sequencer for EZSDI-4 only

(specify USA – 120 volt or INT- 240 volt)

1 EZSDI-SS-INT or USA

Booster Pump in enclosure for EZ SDI, 230VAC or

115VAC, make a choice of one (USA or INT)

1

EZBP230-INT-ENC or

EZBP115-USA-ENC

Pressure Regulator 1 86
Water Vent Tubing Flow Orifice 1 112
Pressure Transmitter (pressure sensor) 1 126
1/4" OD Vent Tubing 250 psi 100 Feet 133
Air and Water Vent Tubing Bulkhead Connector 1 134
Drain Tube Hose Barb 1 256
1/4" ID Drain Tubing 5 Feet 257
In-line Screen 1 258
1/4" Fuse 2 Amp, 250 V 1 439
Optical Level Switch 1 465
¼’ male connector  SS 1 481

Replacement filter disks for EZSDI-1C,

pkg. of 100. 25mm disposable filter,.45 micron (package of 100)

100 496
Cartridge Filter Fitting (for EZ SDI-1-C & EZ SDI -4) 1 498
Cartridge Filter Adapter (for EZ SDI-1-C & EZ SDI -4) 1 507
Volumetric Container Cover 1 525
Vent Solenoid Valve with Teflon Plunger (for EZ SDI-4) 1 536
Drain Solenoid Valve with Teflon Plunger 1 902
Manifold Solenoid Valve with Teflon Plunger 1 903

Prices for the Continental 48 states of the USA only.

 

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