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AUBER INSTRUMENTS

Instruction Manual

1. Features

The AT210 wireless digital thermometer can be used for remote temperature monitoring.

It consists of two units: AT210-A (slave unit) and AT210-B (master unit). The slave unit

connects to the temperature sensor and displays measured value. It also sends the

measured temperature reading to the master unit and allow remote monitoring and

remote parameter setting through wireless connections. The master unit can

communi c ate with up to 10 slave units. The AT210 thermometer have two alarm settings

for a built-in buzzer. One can be used for high limit al a rm and the other can be used for

low fuel (limit) alarm. This thermometer can also store the highest temperature reading

with a time stamp during the temperature monitoring process. The slave unit has a

12VDC 2.5mm power output that is synchronized with the build-in alarm buzzer, which

can be used to drive an external buzzer or other devices. Both units are powered by

12VDC through an 2.1mm AC adapter for continuous operation. It can also be powered

by a car battery directly.

2. Specifications

Power input: 12VDC (2.1mm OD connector)

AC adaptor: 100-240V, 50/60Hz input. 12 VDC, 1 Amp output.

Power consumption: <0.5W

Sampling rate: 2 samples/second

Accuracy: 0.2% full scale

Thermometer reading range: -320-2300° F (-200~1300° C).

Power output (on sl a ve unit): 12VDC (2.5mm OD connector), 1 Amp, synchronized

with the internal buzzer.

LED display: 0.39' , red

Internal buzzer: two alarms (high limit or low limit alarm).

Dimension: 2.8x3.5x1.2" (70x90x30mm)

3. Front panel

Figure 1. Front panel of AT210-A and B.

1. Digital display window.

2. Alarm indicator: blinking when alarm is triggered.

3. Peak value indicator: stay solid on when peak value is displayed; blinking when the

time stamp of the peak value is displayed.

4. Set key: enter code; confi r m input value.

5. Shift key: shift digit; mute the alarm buzzer.

6. Down key: change digit value; move to the previous parameter; display peak

temperature and the time when peak temperature i s reached/ reset peak val u es.

7. Up key: change digit value / move to next parameter / change brightness.

4. Connectors on the meter

The connectors on the meter are shown in Figure 2. Connecting the 12V DC power

adapter to the connector 1 from wall outlet. Connecting the external buzzer to connector

2. The polarity for this socket i s center pin positive (+), outer coll a r negative ( ). Connect

the K thermocouple to termi n al 3. Please note that thermocouple connector also has

polarity. The wide blade should go to the wide slot.

2015.08

AT210 Wireless Digital Thermometer

Version 1.1 (August, 2015)

Power Input - 12VDC power supply input (2.1 mm O.D.).

12VDC output (2.5 mm O.D.).

Figure 2. Bottom vi e w of AT210-A (left, slave unit) and AT210-B (right, master unit).

5. Basic functions for temperature monitoring

During the normal temperature monitoring mode, you can mute the alarm, check the

peak value, and change display brightness with the keys on the front panel (Figure 3).

1. Temporarily

mute the alarm

Function Descriptions:

1. Temporarily mute the alarm. When the temperature reaches the alarm temperature,

the alarm indicator will flash and meter will start beeping. Press Shift key once can

temporarily mute the alarm. Alarm wil l be triggered agai n if the alarm set temperature is

reached again. Please see Section 6 for detailed explanation alarm settings.

2. Check the peak value. Press Down key once to show peak temperature, and the

MAX LED will light up; press Down key again to show the time stamp, i.e., the time when

peak temperature is reached (count from the start of the timer, unit i s seconds), and the

MAX LED will flash. If the temperature continues rising, a new peak temperature and its

time will be written to the memory to replace the previous peak value. Please see Section

9 for details.

3. Dimmer the display brightness. Press Up key to toggle the display brightness

between the dimmed di s play and the normal bright display. The brightness of the

dimmed display is determined by the parameter brit described in the later section of the

manual (see Section 7).

6. Alarm setting (code 0001)

The meter has two programmable alarms that can be set to turn on the buzzer at

specified temperatures. The alarm1 is controlled by parameters AH1 and AL1; the alarm2

is controlled by AH2 and AL2. These parameters can be accessed by code 0001 (see

Table 1).

Table 1. Alarm parameters.

Symbol

AH1

AL1

AH2

AL2

END

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Probe Input - temperature probe input.

Figure 3. Operating keys on AT210-A and B.

Name

Description

Sett ing Range

AH1

Alarm1 on temperature

-19 99 ~ 9999

AL1

Alarm1 off temperature

-19 99 ~ 9999

AH2

Alarm2 on temperature

-19 99 ~ 9999

AL2

Alarm2 off temperature

-19 99 ~ 9999

END

Exit

Power Output -

3. Switch display

between bright and

dimmed.

2. Check peak value

Initial

Note

480

479

250

P1/3