Aumeascon AM-D-ORP Online Digital RS485 ORP Sensor

 AM-D-ORP Digital Online ORP Sensor

 


Aumeascon AM-D-ORP digital ORP sensor  independently developed and produced by Aumeascon. The housing of ORP sensor is SS316 for harsh application, easy to install, and it has high measurement accuracy, sensitive response, and can work stably for a long time. Built-in temperature probe, instant temperature compensation. Strong anti-interference ability, the longest output cable can reach 500 meters. It can be set and calibrated remotely, and the operation is simple. It can be widely used in monitoring the ORP of thermal power, chemical fertilizer, metallurgy, environmental protection, pharmaceutical,, biochemical, food, fermentation, brewing and tap water and other fields.

 

Technical Specification

Ø Standard RS485 Modbus.

Ø Maximum transmission distance 500 meters.

Ø Independent chip, anti-interference, strong stability.

Ø SS316 housing for harsh waste water.

 

Technical Parameters

Model

AM-D-ORP

Measuring range

-1999~1999mV 0~65℃

Accuracy

±2mV ±0.5℃

Resolution

1mV  0.1℃

Power Supply

9~36V DC

Communication

RS485 Modbus RTU

Housing material

SS316 for fresh water ; Titanium for sea water

Connection

Upper G1”

 

RS485 Modbus RTU Protocol

Address

Meaning

Range

Default value

Rate

R/W

Code

Indicate

0

Temp

0-1270

 

0.1℃

R

 

integer

1

ORP

-19990~19990

 

0.1mV

R

 

integer

2

Manual Temp

0-1270

250

0.1℃

R

 

 

3

Measuring potential

-19990~19990

 

 

R

 

 

5

Temp state

0-2

 

 

R

 

=0: normal;

=1: too high or too low

=2: no sensor connected

8

Address

1-254

2

 

R/W

 

Change the slave address

9

Baud rate

4800-19200

9600

BPS

R/W

 

Only allow: 4800,9600,19200

10

Parameter Recovery

 

 

 

W

1996

revert to default

11

Reset the Instrument

 

 

 

W

1524

Restart the instrument

25

Data Format

0~3

1

 

R/W

 

0:8N2 1:8N1 2:8E1 3:8O1

57-58

Temperature value

0-127

 

1℃

R

 

float ABCD

59-60

Measuring potential

-1999-1999

 

1mV

R

 

float ABCD

  Communication Format Details

16-bit data reading instruction, taking ORP measurement value as an example:

Send command Tx: 02 03 00 01 00 01 D5 F9

Address

Function code

Register start address

Number of registers

CRC check code

02

03

0001

0001

D5F9

Return command Rx: 02 03 02 02 AE CF A5

Address

Function code

Data length

ORP value

CRC check code

02

03

02

02AE

CFA5

Converting the hexadecimal number 02AE to decimal yields the value 686. The actual value of ORP contains 1 decimal place, and the ORP value is 686×0.1= 68.6

 

Wiring instructions

V+

V-

M-A

M-B

9~36V Positive

9~36V Negative

RS485-A

RS485-B

 Contact info:

Shanghai Aumeascon Automation Technology Company 

Website:www.aumeascon.com 

Mob/WA:86-18721238342 

Email: Sales@aumeascon.com

Address:No. 95, Shihu New Road, Shihudang Town, Songjiang District, Shanghai.China , Zip code:201604

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