User Manual

Transferring History Files into Spreadsheets

The AirChek 2000/3000 history ﬁ les (.hst) can be transferred into a spreadsheet or

other application. A typical AirChek 2000/3000 history ﬁ le is shown below:

AC2000/3000 HISTORY FILE

3280

SN 627

35898.637581

Min Temp 75.2F

Max Temp 75.2F

TWA Temp 75.2F

Flow Correction Approximately -20 ml/min

257 0 35898.637245 35898.637581

1314 0 35898.637211 35898.637245

1282 0 35898.637176 35898.637211

258 2000 35898.637164 35898.637176

1 0 35898.637153 35898.637164

1025 0 35898.637106 35898.637153

261 0 35898.635359 35898.637106

262 0 35898.634907 35898.635359

1 0 35898.630255 35898.634907

An explanation of each line of the history ﬁ le:

Line 1: HISTORY FILE (ﬁ le type identiﬁ er)

Line 2: 3280 (DataTrac 2000 So ware revision number x 1000)

Line 3: SN 627 (serial number of the pump)

Line 4: 35898.637581 (time and date that the ﬁ le was stored. See Decoding Time Fields

on page 43.)

Lines 5, 6, 7: The minimum, maximum, and time-weighted average (TWA) of the

data while the pump was running (min, max, and TWA temp are not updated when

the pump is in Hold)

Line 8: 9 (the ASCII value of the character used as the column separator, the default

is TAB)

Line 9: 8 (the number of periods in history)

Lines 10-17: A breakdown of each history period ordered from most recent to oldest.

Each line of the history is decoded as follows:

Column 1: Mode of Pump (See Decoding Pump Mode Fields, page 42)

Column 2: Flow Rate of Pump

Column 3: Start Date/Time (See Decoding Time Fields, page 43)

Column 4: Stop Date/Time (See Decoding Time Fields, page 43)

Transferring History Files