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Underwater Servo SER-20XX

Underwater Servo SER-20XX

R215.00R495.00 ex vat

Programmable, digital,  waterproof servo, submersible up to 100 meters.

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Description

Our newest, most reliable underwater servos!  With a robust machined acetal case, these waterproof servos are rated to 200 meters.  In addition to two pre-assembled and pre-tested models, a kit option allows you to tailor the servo to your specific needs while saving money.

  • SER-2010: 29.0 kgf-cm of torque with a default travel range of ± 70 degrees.  Cobalt 3-pin bulkhead connector included.
  • SER-2020: 34.0 kgf-cm of torque with a default travel range of ± 230 degrees.  Programmable for up to ± 3.5 full turns of rotation with position control or continuous rotation with speed control.  Brushless motor and magnetic encoder.  Cobalt 3-pin bulkhead connector included.
  • SER-2000: low-cost kit option that allows users to select and install their own standard-sized R/C servo inside the enclosure – including PWM, CAN, or serial servos – as well as their choice of either a Cobalt bulkhead connector or a cable with M10 penetrator.

Output shaft is a 6-mm titanium D-shaft.  Does not include servo arm.

WARNING:  These servos do not have internal protection against overheating or overvoltage.  They can be damaged or destroyed by:

  • driving the servo against a hard stop for more than 5-10 seconds
  • running the servo at high torque continuously
  • applying more than the recommended voltage to the servo

Users should design their electrical and mechanical systems to avoid these scenarios.

Blue Trail Engineering’s SER-20XX underwater servos are compact, robust actuators for small marine robotic applications down to 200 meters.  They consist of an off-the-shelf R/C servo installed in a machined acetal enclosure with a titanium output shaft and waterproof connector.  By using off-the-shelf R/C servos, this architecture leverages decades of servo development in the R/C industry to provide extremely high reliability as well as almost limitless options for speed, torque, travel distance, and other features.

The SER-20XX series currently includes three models:

  • The SER-2010 features a Hitec D954SW R/C servo with 29.0 kgf-cm of torque and a default travel range of ± 70 degrees.
  • The SER-2020 features a Hitec HSR-M9382TH servo with 34.0 kgf-cm of torque.  While its default travel range is ± 230 degrees, it can be programmed to provide up to ± 3.5 full turns of rotation with position control or continuous rotation with speed control.  The HSR-M9382TH uses a brushless motor and magnetic encoder, eliminating the most common causes of servo failure.
  • The SER-2000 is a kit option that allows users to select and install their own standard-sized R/C servo – including PWM, CAN, or serial servos – making it the most inexpensive and flexible option for underwater actuation.  The user also has the option to install either a Cobalt bulkhead connector or a cable with M10 penetrator, such as the Blue Robotics WetLink penetrator.

 

Both the SER-2010 and SER-2020 come fully assembled and tested.  The SER-2010 and SER-2020 have many programmable features, including travel range. If you require increased travel or any other changes to the servo’s programmable parameters, we will happily program the servo per your specifications for free. Simply email sales@bluetrailengineering.com after placing your order. Alternatively, you may program the servos using a DPC-11 programmer.

 

The SER-2000 kit comes with the output shaft, bearings, and seal installed, and the user completes assembly with the servo and connector of their choice.  Servos must be of the “standard” size (20-mm width), they must have a 25-tooth spline, and they must have the proper height.  The following servos have been tested for proper fit:

  • Hitec D625MW, D645MW, D930SW, D940TW, D945TW, D950TW, D954SW, D955TW, DB961WP, MDB961WP-CAN, HSB-9360TH, HSB-9370TH, HSB-9380TH, HSB-9465SH, HSB-9475SH, HSB-9485SH, HSR-M9382TH
  • GoBilda (all models)

If you would like to use a different servo, please contact Blue Trail Engineering and we will help you determine if your servo will fit.


Specifications

All Models
Depth Rating 200 meters
Operating Temperature -10° C to +50° C
Output Shaft Material titanium
Enclosure Material acetal
Weight in Air 240 grams
Weight in Water 100 grams
SER-2010 SER-2020
R/C Servo Inside Hitec D954SW Hitec HSR-M9382TH
Torque 18.0 kgf-cm / 250 oz-in @ 4.8 V
29.0 kgf-cm / 403 oz-in @ 7.4 V
34.0 kfg-cm / 470 oz-in
Speed 0.19 seconds/60 deg. @ 4.8 V
0.12 seconds/60 deg. @ 7.4 V
0.17 seconds/60 deg. @ 6.0 V
0.14 seconds/60 deg. @ 7.4 V
Control Interface PWM, 800µs – 2200µs PWM, 700µs – 2300µs
Travel Range ± 70 deg. default, ± 100 deg. with programming* ± 230 deg. default, ± 3.5 full turns with programming*
*Programmable Features (requires programmer, not included) Programmer: Hitec DPC-11 or HFP-30

End Point Adjustments

Direction

Fail Safe Position

Deadband Width

Speed (Slower)

Soft Start Rate

Overload Protection

Programmer: Hitec DPC-11

End Point Adjustments

Direction

Fail Safe Position

Deadband Width

Speed (Slower)

Soft Start Rate

Operating Voltage 4.8 V – 7.4 V 6.0 V – 7.4 V
Idle Current 0.03 A 0.03 A
No-load Current 0.5 A 0.25 A
Stall Current 5.2 A 2.7 A
PWM Voltage Range 3 – 5 V 3 – 5 V
Motor Type coreless brushed BLDC
Feedback Type 1-million cycle potentiometer magnetic encoder
Connector Cobalt 3-pin bulkhead connector Cobalt 3-pin bulkhead connector

 


Downloads

Additional information

Type

"SER-2010", "SER-2020", "SER-2000"

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