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H-3311 SDI-12 Shaft Encoder with LCD Display

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The WaterLOG® H-3311 is a digital shaft encoder, which measures water level by monitoring the position of a float and pulley. The H-3311 is easy to use and works with any SDI-12 data recorder.

H-3311 SDI-12 Shaft Encoder with LCD Display

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DAA has Authorized Distributors all over the globe. View a map and find your closest contact for DAA H-3311 SDI-12 Shaft Encoder with LCD Display products and accessories.


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Have a question about your H-3311 SDI-12 Shaft Encoder with LCD Display? Check out the support page with resources compiled just for you.


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Want to return a product for service? Here you'll find authorized service centers and instructions on how to send in your H-3311 SDI-12 Shaft Encoder with LCD Display.

Battery powered operation with minimal current drain

  •             Built in LCD display with "Push to Read" button
  •             Low system cost
  •             Multiple sensors on a simple three wire cable
  •             200 counts per revolution for the SDI-12 output

Applications

  •             Scales  the encoder position into user units of Feet, Meters, etc.
  •             Precision dual bearing design with special low temperature lubricant
  •             Threaded shaft compatible with older mechanical shaft encoders
  •             Zero backlash
  •             Sealed enclosure protects from moisture and dirt
  •             Low current operation (less than 800 microamps typical standby)
  •             High speed encoder circuitry prevents missing counts due to rapid movement from wave action or sudden movement in freeze/thaw conditions - 15 ft/sec typical

 

 

 

Data Input

General

 

 

 

Inputs Shaft Position

Outputs

SDI-12 & 2-Wire Quadrature

Display 4 1/2 in Digit x .4 in characters with "LO-BAT" indicator
Resolution (SDI) 200 counts/rev
Resolution (Quadrature) 100 counts/rev
Max Shaft Rotation 15 rev/sec
Offset Adjust SDI-12 or screwdriver
    
Data Output
SDI-12 Output 

 

 

 

 

Baud Rate 1200

Protocol

SDI-12  7-bit even parity, 1 stop bit

Output Voltage Level:

 Minimum high level: 3.5 volts

 Maximum low level: 0.8 volts

 Maximum cable length: 250 ft.

Quadrature Output

 

Type Open Drain (optional factory installed pull up resistor to 5.0 V)

Transient Protection

5.0 V Transguard

    
Power Requirements

 

 

Voltage Input 9.6 to 16.0 Volts DC

Current

 

Less than 2.0mA

800μA typical
    
Mechanical

 Physical

 

 

 

 

 

 

 

 

 

Bearing

Double bearing with external seal

Starting Torque

 

0.15 oz in typical

 0.50 oz in max over temperature

Shaft

5/16 in. compatible with Stevens and Fisher and  Porter pulley and accessories

Shaft Length

2 in

Shaft Clearance

1.75 in

Shaft Thread

 24 threads per in

Thread Length

0.75 in

Material

 Anodized Aluminum

Size

 

 

 5.125 in wide (main unit)

 7.0 in wide (base plate)

 4.25 in high

 4.0 in deep (not including shaft or connectors)

Connector

 

 

H-3311 Amphenol MS3102R14S-6P (6-Pin male)
Cable Amphenol MS3106A14S-6S (6-Pin female)
(One 6 foot cable provided with the H-3311
Environmental

 

 

 

 

Operating Temperature -40° C to 60° C

Storage Temperature

-50° C to 70° C

Humidity

0 to 100%


Miscellaneous
Warranty

The WaterLOG® H-3311 is warranted against defects in materials and workmanship for two years from date of shipment.

Specifications subject to change without prior notice due to ongoing commitment to product testing and improvement. LR Jan 10 2008

 

H-3301-CABLE Communication Cable for H-3301 & H-3311 Shaft Encoders
 

H-3301-CABLE Communication Cable

H-3301-CABLE Communication Cable for H-3301 & H-3311 Shaft Encoders

 

 

 

 

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