DSMR/DSMX Telemetry Brushless RPM Sensor

Name: DSMR/DSMX Telemetry Brushless RPM Sensor
Brand: Spektrum
SKU: SPMA9558
Price: 21.99 USD
Availability: InStock

SPMA9558

DSMR/DSMX Telemetry Brushless RPM Sensor

SPMA9558

$21.99

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In Stock

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Key Features

Works with all brushless motors for rpm data through SPM telemetry modules and integrated telemetry receivers
Easy installation
Telemetry Capable Receiver or Module and Telemetry capable DSMR/DSMX Transmitter required

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Reviews (8)
Questions (0)

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08/01/21

Meetman

10/06/17

No review title

No review content

On DSMRDSMX Telemetry Brushless RPM Sensor

Charlie2

09/16/11

RPM Sensor Applications

I Used with E-Flite 40 & 60 A Pro speed Controllers and E-Flite 32 (14 pole) and 25 Motors.
Added small ferrite cores on sensor leads to reduce/eliminate noise and false (high) RPM readings.
Sensor Mfrs web site info minimal, but says that the sensor may work with only one of the two sense leads connected. Input circuit details would be helpful in determining any need/type of noise filtering to be added when false or erratic (high) readings occur.
Verify readings with an external meter, such as an optical prop RPM meter, adjust reading at TX if needed.

On DSMRDSMX Telemetry Brushless RPM Sensor

Jetdude2

10/10/13

Do not work as advertized

I have 7 different aircraft from props to jets. Every one of my airplanes has one of these sensors in it. I keep buying them in hopes that Spektrun will finally get it the bugs out, so far they haven't. They aren't expensive and they are worth it for the novelity of it, It's just another "GADGET" which we all probably have plenty of already. To be honest some of the ones that i have do get reletivly close as long you have the correct pole setting. Try one you might get lucky!!

Image of Review by Jetdude2 on 10 Oct 2013 number 1

On DSMRDSMX Telemetry Brushless RPM Sensor

W1 W.

09/21/18

Electric Motor RPM

I have several of these gadgets and they all work as advertised. Since there's no instructions included with the device, there's a problem that you need to know about. This gadget should work with any Electronic Speed Controller (ESC) but.......... without thorough testing I cannot be sure.

I use mine on numerous 30 Amp and 40 Amp ESC's. I contacted the manufacturer (Eagle Tree) - not Horizon Hobby and was told how to properly connect the device to the receiver. Incidentally, this product is made by Eagle Tree and sold to Horizon Hobby (Spektrum).

You only need to connect wire #1 to any ESC motor lead. It doesn't matter which one of the three wires you choose. Clip off wire #2 and wrap it around the RPM sensor. Program your Spektrum Transmitter so it recognizes the RPM readout in your telemetry data and you're good to go!

On DSMRDSMX Telemetry Brushless RPM Sensor

Stark F.

05/12/11

No review title

No review content

On DSMRDSMX Telemetry Brushless RPM Sensor

Points per $1 Spent	Standard	Pro	Legend
Points per $1 Spent	10	12.5	15

DSMR/DSMX Telemetry Brushless RPM Sensor

DSMR/DSMX Telemetry Brushless RPM Sensor

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