Honeywell DCP552 Mark II user manual Cold junction sensor calibration

Chapter 12. CALIBRATION

■Cold junction sensor calibration

Scroll ↑, ↓, ←, →, keys to show (2022) on upper display, then press ENTER

key.

●The cold junction input 0% (CH1)

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

(2)Connect the millivolt source between (55)(–) and (56)(+), and then input 0.2V (See Figure 12-10).

(3)Press ENTER key after display stabilizes, AD count is shown on lower display.

●The cold junction input 100% (CH1)

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

(2)Connect the millivolt source between (55)(–) and (56)(+), and then input 1.0V (See Figure 12-10).

(3)Press ENTER key after display stabilizes, AD count is shown on lower display.

●The cold junction AD count data (CH1)

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

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

●The cold junction temperature data (CH1)

(1)Press SETUP key until the PROG/SEG display shows (02-04).

(2)Connect the thermometer (55).

(3)Scroll ↑, ↓, ←, →, keys to set above temperature value.

(4)Press ENTER key.

●The cold junction input 0% (CH2)

(1)Press SETUP key until the PROG/SEG display shows (02-05).

(2)Connect the millivolt source between (58)(–) and (59)(+), and then input 0.2V (See Figure 12-10).

(3)Press ENTER key after display stabilizes, AD count is shown on lower display.

●The cold junction input 100% (CH2)

(1)Press SETUP key until the PROG/SEG display shows (02-06).

(2)Connect the millivolt source between (58)(–) and (59)(+), and then input 1.0V (See Figure 12-10).

(3)Press ENTER key after display stabilizes, AD count is shown on lower display.

●The cold junction AD count data (CH2)

(1)Press SETUP key until the PROG/SEG display shows (02-07).

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

●The cold junction temperature data (CH2)

(1)Press SETUP key until the PROG/SEG display shows (02-08).

(2)Connect the thermometer (58).

(3)Scroll ↑, ↓, ←, →, keys to set above temperature value.

(4)Press ENTER key.

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