H-3301/H-3311/H-3342 Shaft Encoder
The WaterLOG® 3300 series digital shaft encoders measure water level by monitoring the position of a float and pulley. They are easy to use and work with any SDI-12 data recorder.
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General
• Battery powered operation with minimal current drain
• Low system cost
• Multiple sensors on a simple three-wire cable (SDI-12)
• Magnetic sensing minimizes static sensitivity
• Built-in LCD Display with "Push to Read" Button (3342 and 331 only)
• Threaded shaft compatible with older mechanical shaft encoders
H-3342
• Absolute, non-contact, optical encoder preserves correct position even if the power is lost.
• Resolution = 65,536 counts/rev
• Accuracy = 0.00024 ft. (1 ft. diameter pulley)
• Max turns = ±32,768
• Zero backlash
• 4-20mA output
• Precision dual bearing design with special low temperature lubricant
H-3301/3311
• 200 counts per revolution for the SDI-12 output
• 100 counts per revolution for the quadrature output
Applications
• Scales the encoder position into user units of Feet, Meters, etc.• Multiple sensors on a simple three wire cable
• Extended SDI-12 commands for quickly setting the stage to a known elevation
| Data Input | |||
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General
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Inputs | Shaft Position | |
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Outputs |
SDI-12 & 2-Wire Quadrature |
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| Resolution (SDI) | 200 counts/rev | ||
| Resolution (Quadrature) | 100 counts/rev | ||
| Max Shaft Rotation | 15 rev/sec | ||
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| Data Output | |||
| SDI-12 Output
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Baud Rate | 1200 | |
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Protocol |
SDI-12 7-bit even parity, 1 stop bit |
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Output Voltage Level: |
Minimum high level: 3.5 volts |
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Maximum low level: 0.8 volts |
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Maximum cable length: 250 ft. |
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Quadrature Output
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Type | Open Drain (optional factory installed pull up resistor to 5.0 V) | |
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Transient Protection |
5.0 V Transguard |
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| Power Requirements | |||
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Voltage Input | 9.6 to 16.0 Volts DC | |
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Current
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Less than 2.0mA |
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| 800μA typical | |||
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| Mechanical | |||
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Physical
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Bearing |
Double bearing with external seal |
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Starting Torque
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0.15 oz in typical |
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0.50 oz in max over temperature |
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| Shaft |
5/16 in. compatible with Stevens and Fisher and Porter pulley and accessories |
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Shaft Length |
2 in |
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Shaft Thread |
0.75 in |
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| Material |
Anodized Aluminum |
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Size
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5.125 in wide (main unit) |
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7.0 in wide (base plate) |
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4.25 in high |
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4.0 in deep (not including shaft or connectors) |
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Connector
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H-3301 | Amphenol MS3102R14S-6P (6-Pin male) | |
| Cable | Amphenol MS3106A14S-6S (6-Pin female) | ||
| (One 6 foot cable provided with the H-3301 | |||
| Environmental | |||
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Operating Temperature | -40° C to 60° C | |
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Storage Temperature |
-50° C to 70° C | ||
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Humidity |
0 to 100% |
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| Miscellaneous | |||
| Warranty |
The WaterLOG® H-3301 is warranted against defects in materials and workmanship for two years from date of shipment. |
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Specifications subject to change without prior notice due to ongoing commitment to product testing and improvement. LR Jan 10 2008 |
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H-3301-CABLE Communication CableH-3301-CABLE Communication Cable for H-3301 & H-3311 Shaft Encoders |
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