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Digital Load Cell Amplifier, Output 4-20mA/0-10V/RS485

Picture of Digital Load Cell Amplifier, Output 4-20mA/0-10V/RS485

Picture of Digital Load Cell Amplifier, Output 4-20mA/0-10V/RS485

Picture of Digital Load Cell Amplifier, Output 4-20mA/0-10V/RS485

Overview Video

Digital Load Cell Amplifier, Output 4-20mA/0-10V/RS485

5 out of 5 based on 9 reviews | Write a review

$109.85

High precision load cell amplifier has a 6 digit LED display, output signal 4-20mA/ 0-5V/ 0-10V/ RS485. There are 3 keys for parameter settings. Digital load cell amplifier can be calibrated on-line by its 3 keys. The setting parameters include zero, capacity, communication rate, division value, decimal digits, etc.

SKU: ATO-LCTR-OAR

Output Signal *

Qty:

Free Shipping Worldwide

Delivery date: 6-12 days

Overview
PDF Catalog/User Manual
Relative Video

Load cell amplifier has on-line calibration functions, output standard signal 4-20mA/0-5V/0-10V/RS485.

Specification:

Model	ATO-S-LCTR-DY610
Accuracy	±0.2%FS ±1 byte
Input signal	0~±20mV
Excitation voltage for load cell	DC 5V
Output signal *	DC 4-20mA, DC 0-5V, DC 0-10V, RS485 (Modbus-RTU), 4-20mA & RS485, 0-5V & RS485, 0-10V & RS485
Sampling rate	20 times/s, 80 times/s
Power supply	DC 12-30V
Power consumption	＜1W
Display	6 digit red LED, -99999~999999

Digital load cell Amplifier dimension drawing (unit: mm):

Load cell Amplifier wiring diagram:
Digital load cell amplifier wiring diagram

Download ATO load cell catalog (pdf).

Download ATO load cell amplifier user manual (pdf).

Download ATO load cell amplifier Modbus-RTU protocol (pdf).

Digital load cell amplifier calibration
This vedio shows wiring and calibration steps of digital load cell amplifier ATO-LCTR-OAR. New model has 3 new signal outputs: 4-20mA & RS485, 0-5V & RS485 and 0-10V & RS485. Therefore, the panel and the parameter setting are different.

How to use the RS485 communicating function of load cell amplifier?
The following video is about how to use the RS485 communication function of ATO load cell amplifier ATO-LCTR-OAR.

Existing reviews of Digital Load Cell Amplifier, Output 4-20mA/0-10V/RS485

Load cell amplifier with digital display

The load cell amplifier with digital display is a very good product. It can be used as a load cell indicator for reading the weight values. So I save the money on buying another digital indicator. After setting parameters, I use a standard weight of 200g to test it, and the measured data is very accurate.

From: Christian C | Date: 22/07/2019

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Peak function of digital load cell amplifier

Hello, I was watching the video for the 6 digit display controller for load cells and did not see what the peak function is. Is this used to measure the peak force applied to the load cell?

From: Crisin | Date: 27/04/2021

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ATO Responded

The peak function is related to the load cell not the display controller. Yes, it is used to measure the peak force applied to the load cell.

Display controller of digital load cell

What is the output of the 6 digit display controller for digital load cells, is it newtons?

From: Regina | Date: 06/05/2021

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ATO Responded

It can provide kg, g, ton, and newtons readouts, just set up as you like.

We have some other questions.

Thank you for all the answers. We do have some additional questions.
Assuming the use of ATO-LCTR-DY510, 0-10V and based on the load cell mentioned in the previous mail (FMZK 10kg):
http://www.forsentek.com/down/miniature load cell FMZK.pdf
The load cells have quite a big zero balance (±0.1mV/V). Does the amplifier have enough adjusting range to create an output voltage of 0V at zero load?
The load cells have a rather low output signal (about 1.0mV/V). Giving the fact that when a load cell is loaded with 7kg, is it possible to reach a maximum output voltage of 10V? Even when zero balancing is taken into account?
About the 200mA current, maybe I should rephrase it. 200mA is the maximum current that we can supply to the amplifier. Is the supply current of the amplifier (with a load cell) below 200mA?
Best regards.

From: Hsdallas | Date: 24/12/2021

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ATO Responded

1. Yes, the ATO-LCTR-DY510 load cell amplifier has enough adjustable range to generate 0V output voltage at zero Load, no problem.
2. Yes, after the amplifier and the load sensor are calibrated, it can output 0-10V signal corresponding to the measuring range of the weighing sensor, such as 0-7kg corresponding to the output 0-10V signal, no problem.
3. The current consumed by the amplifier is about 20mA and the maximum current is no more than 2A, so it is OK to supply 200mA to the amplifier.

I bought a Digital load amplifier 4-20mA.

I bought a Digital load amplifier 4-20mA. I'm unable to get any output signal from the digital load cell amplifier. The signal is stuck between 32-33mA.

From: Bruce | Date: 24/05/2022

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ATO Responded

Please send us a video to confirm the problem you describe. The video should show the wiring of the load cell and the transmitter, and you use a multimeter to measure the signal 32-33mA at the output terminal of the transmitter.
Also, you can refer to our video to check that your wiring and calibration are correct. See on: https://youtu.be/nD446xVhmAA

Cannot I exceed the 2Nm of torque correct?

In the documentation, you state that the “total load range 1 / 10 to remain stable”. If I have 20Nm Torque transducer, Cannot I exceed the 2Nm of torque correct?

From: Shelby | Date: 26/05/2022

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ATO Responded

Usually we have calibrated it when it leaves the factory, you can use it directly to check whether the output data is accurate.
The manual mentioned that the calibration weight is 1/10 of the total range of the load cell, which means that if your load cell range is 100Kg, then the calibration weight you use is at least 10Kg. Of course, if your calibration weight is bigger, and the closer to the sensor's range of 100Kg, the calibration will be more accurate. In the same way, if your torque sensor is 20Nm, you can apply a calibrated torque of at least 2Nm, that is, not less than 2Nm for calibration. It would be better if you could apply a calibrated torque of 5Nm, or 10Nm.

Calibration of load cell

Can you please assist me? I am unable to get a good calibration.
We have purchased: ATO-LCTR-OAR (MODEL 610-A1) Load cell Amplifier,
ATO-LC-S01 *(10Kn) S Type Load cell
I connected the load cell and powered the transmitter
I set Parameter 01 SL (zero point) at 00000
I set Parameter 02 SH (load calibration value) at 107.23
I placed 107.23 Kilograms of calibration weight on S type load cell
I set Parameter 04 SD (decimal place) at 2
I removed the calibration weight
I exited programming.
When I place the calibration weight on the load cell the display now shows me 466.14 instead of 107.23. What am I missing in programming?

From: June | Date: 29/05/2022

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ATO Responded

Thanks for your update, since your load cell range is 10Kn=1000kg, you need to set Parameter 04 SD (decimal place) at 1, it can only be set to 1 decimal point. You could re-calibrate, and test again.

Questions about load cell amplifier

I have a couple of ATO-LCTR-OAR units. How can I tell which ones have Voltage output or Current output and/or RS485 output?

From: Fred | Date: 02/03/2023

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ATO Responded

The nameplate label of the transmitter shows: A1 is current, A2 is voltage, and S2 is RS485 communication.

Can we use this Digital Loadcell Amplifier for our load cell?

We need a load cell signal conditioner for our dynamometer. We want to confirm with you if we can use this Digital Loadcell Amplifier for our load cell.

From: Zainul | Date: 27/03/2023

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ATO Responded

You can use our Loadcell amplifier for your load cell, no problem.

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