Teledyne API Ultrafine Particle Monitor - Model 651

APPENDIX A Firmware Commands

RCT – Read Current Time

RCT reads the current time.

RCT

Command

RCT

 

Response

yyyy/mm/dd,hh:mm:ss

yyyy = year

 

 

mm = month (1 – 12)

 

 

dd = day (1 – 31)

 

 

hh:mm:ss = time (hours, minutes,

 

 

seconds)

Example

 

 

Command

RCT

Read Current Time

Response

2012/12/18,20:22:19

Year = 2012

 

 

Month = December

 

 

Day = 18

 

 

Hour = 8 pm

 

 

Minutes = 22

 

 

Seconds = 19

RD – Read Displayed Concentration

RD is a legacy command that reads the displayed concentration in particles/cm3.

RD

Command RD

Response x

Example

Command RD

Response 3.16e4

X = #/cm3, floating point number (0.00 – 1.00e6)

Read Displayed Concentration

07506C DCN6727

A-5

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Teledyne 651 operation manual RCT Read Current Time, RD Read Displayed Concentration, Rct