Chapter 11. CALIBRATION

Cold junction sensor calibration

Scroll , , , or keys to show (2.0.2.2.) on upper display, then press ENT

key.

The cold junction input 0%

(1)Press SETUP key until the PROG/SEG display shows (02-01).

(2)Press ENT key after display stabilizes, AD count is shown on lower display.

The cold junction AD count data

(1)Press SETUP key until the PROG/SEG display shows (02-02).

(2)Press ENT key after display stabilizes, AD count is shown on lower display.

The cold junction temperature data

(1)Press SETUP key until the PROG/SEG display shows (02-03).

(2)Connect the thermometer (55).

(3) Scroll , , , or keys to set above temperature value(°C).

(4)Press ENT key.

Current output calibration

Scroll , , , or keys to show (4.0.4.4.) on the upper display, then press ENT

key.

Connect the digital ammeter across terminals (See Figure 11-9).

OUT CH1 output calibration

(1)Press PARA key until the PROG/SEG display shows (04-01).

Scroll , ,

, or

keys until meter indicates 4.00mA, then press ENT key.

(2) Press PARA key until the PROG/SEG display shows (04-02).

Scroll , ,

, or

keys until meter indicates 20.00mA, then press ENT key.

OUT CH2 output calibration

(1)Press PARA key until the PROG/SEG display shows (06-03).

Scroll , ,

, or

keys until meter indicates 4.00mA, then press ENT key.

(2) Press PARA key until the PROG/SEG display shows (06-04).

Scroll , ,

, or

keys until meter indicates 20.00mA, then press ENT key.

OUT CH1 output calibration

(1)Press PARA key until the PROG/SEG display shows (04-05).

Scroll , ,

, or

keys until meter indicates 4.00mA, then press ENT key.

(2) Press PARA key until the PROG/SEG display shows (04-06).

Scroll , ,

, or

keys until meter indicates 20.00mA, then press ENT key.

11-12

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Sonic Alert DCP301 user manual Cold junction sensor calibration, Current output calibration, Press ENT key, 11-12