Auber Instruments AT210 Instruction Manual - Page 2

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AUBER INSTRUMENTS

AH1 and AH2 are called alarm on temperature, i.e. the temperatures at which the

Alarm1 and Alarm2 will turn on; AL1 and AL2 are called alarm off temperature, i.e.

the temperatures at which the Alarm1 and Alarm2 will turn off. When AH1>AL1(or

AH2>AL2), the alarms is set as a high limit alarm. When AH1<AL1(or AH2<AL2), the

alarm is set as a low limit alarm. For a high limit alarm, the alarm buzzer should be

on once the temperature rise above AH, and it should be off only when the

temperature drops below AL. In contrast, for a low limit alarm, the alarm buzzer

should be on when the temperature drops below AH, and it should be off only when

the temperature rise above AL.

For example, when the temperature unit is set to F (Fahrenheit), AH1=900, and

AL1=800, the buzzer will go off once the measured temperature is higher than

900°F; the buzzer will stop when the temperature drops below 800°F. In another

case, when AH2=180, AL2=185, the alarm2 is set as a low limit alarm. If the

temperature drops below 180°F, the buzzer will go off (on); when the temperature

rises above 185°F, the buzzer will stop.

Users can press the Shift key (">") to mute the buzzer. The alarm will buzz again if

the alarm temperature moves out of the alarm zone (between AH and AL) and re-

enters it again. For instance, AH1=900, AL1=800, current temperature is higher than

900, and the alarm is muted. In this case, the temperature has to drop below 800

and rise above 900 again to trigger the alarm buzzer. To disable the alarms, set AH

and AL to the same value, i.e., AH1=AL1 and AH2=AL2.

Steps to set an alarm are described below as well as in the flow chart in Figure 4:

(1) Press SET key, change the code to 0001, and press SET again to enter alarm

setting mode.

(2) Press Up and Down key to select a parameter (AH1, AL1, AH2, or AL2).

(3) Press SET to view the value of the parameter.

(4) Use Shift, Up, and Down key to change the value.

(5) Press SET key to confirm the value and exit from this parameter.

(6) Press Up or Down key to select the new parameter.

(7) To exit this mode, press SET key when "End" is displayed.

The procedure is showed in the flow chart in Figure 4.

Parameter Display

Operation Mode

Enter Code

SET

XXXX

0001

SET

Figure 4. Steps of setting alarms. In this example, alarm1 is set as a high limit alarm

at 480; alarm2 is disabled.

7. System settings (code 0089)

The parameters for system configuration is listed in Table 1.

Table 1. System configuration parameters.

Symbol

Name

Description

Inty

Input sensor type

Inty

PSb

Input offset

FILT

Digital filter

C-F

Temperature unit

Brit

Brightness level of dimmed LED

END

Note 1. Inty (Input sensor type). This parameter defines the sensor type that is used

for the thermometer. If you purchased the thermometer bundle, it is already set for

the probe included in the package. You don't need to change it.

Note 2. PSb (input offset). This is to set an offset value to compensate the error

produced by the sensor. For example, if the meter displays 5 ºC when probe is in ice/

water mixture, setting PSb= -5 will make the meter display 0 ºC.

Note 3. FILt (digital Filter). If the temperature reading fluctuates due to input noise, a

digital filter can be used to smooth the input signal. "FILt" may be configured in the

range of 0-3. Higher the value, stronger the filtering effect. A strong filter increases

the stability of the readout, but causes longer delay in responding to the temperature

change. Set FILt=0 will disable the filter.

Note 4. C-F (temperature unit). Set to C if you want to display temperature in

Celsius. Set to F for Fahrenheit.

2013.11

Buzzer On Temp

SET

0480

AH1

Buzzer Off Temp

SET

0479

AL1

Buzzer On Temp

SET

0250

AH2

Buzzer Off Temp

SET

0250

AL2

END

Setting Range

Initial

-1000 ~ 8000

0 ~ 3

°C, °F

°F

1-4

Exit

Note 5. Brit (display dimmer). This parameter sets the brightness level of the

dimmed LED display. You can switch the LED brightness level between the dimmed

and the normal using UP key. However, the normal brightness level of the LED

display is equal to level 4. So if Brit is set to 4, you won't see and change in the

brightness of LED display when pressing UP key.

Note 6. End. Exit the parameter setting mode.

Steps to set system parameters are described below as well as in the flow chart in

Figure 5:

(1) Press SET key, change code to 0089, and press SET again to enter the system

configuration mode.

(2) Press Up or Down key to select the parameter to be changed.

(3) Press SET to view the value of the parameter.

(4) Press Shift, Up, and Down key to enter a new value.

(5) Press SET to confirm.

(6) Press Up or Down to select the new parameter.

(7) To exit the menu, press SET when "End" is displayed.

Operation Mode

Enter Code

SET

XXXX

0089

SET

Figure 5. Flow chart of how to set system configuration parameters.

8. Wireless connection setting (code 0110)

The parameters for wireless connection can be accessed by code 0110. The

parameters are listed in Table 2.

Table 2. Wireless connection parameters.

Symbol

Name

bAud

Tdly

tdly *

Hand shake time

tACy

tACy *

Sampling rate

Note

End

Note 7. Baud (Baud rate for communication). This should be left as default.

Note 8. Id (Unit ID). Each slave unit should be assigned with a unique Unit ID. The

default value is 1. The value of the Unit ID can range from 0 to 240. A master unit can

communicate with up to 10 slave units. For example, if you have two slave units, you

can set their Unit ID to 1 and 2 respectively. Then, when the master Unit ID is set to 1, it

will read the temperature of slave unit 1. When the master Unit ID is set to 2, it will read

from slave unit 2. Set two slave units to the same ID number will cause crashes.

Note 9. tdly (Hand shake time). This is the time interval (unit in seconds) after which the

master unit will attempt to read signal from the slave unit again. If the master unit

receives signal during this hand shake time, it will refresh and display the current

reading at the assigned cycle rate. Otherwise, it will display the previous reading for the

rest of the current hand shake cycle. If there is still no signal received during the entire

hand shake time, the master unit will display four dashes ("- - - -"). This setting can

prevent the master unit from frequently switching between temperature reading and

four dashes. If the master unit and the slave unit is far away from each other or the

signal is weak, user should increase the hand shake time. Placing the master and slave

unit too close to each other may also result in no reading on the master unit.

Note 10. tACy (Sampling rate). This parameter sets how frequently the slave unit

refresh its reading . The default sampling rate is 1 per second. The unit is s

Note *. These two parameters are only available on the master unit.

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Parameter Display

Input Type

SET

xxxx

Inty

Input Offset

SET

xxxx

PSb

Digital Filter

SET

xxxx

FiLT

Temperature Unit

SET

xxxx

C-F

Brightness level of dimmed LED

SET

xxxx

Brit

End

Description

Setting Range

Baud rate

1200, 2400, 3600, 9600

Unit ID

0 ~ 240

2 ~ 60

0.5 ~ 60 per second

Exit

Initial

Note

9600

3.0

9 *

1.0

10 *

-1

or Hz.

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