Instructions
Table Of Contents
- 1620A “DewK” Thermo-Hygrometer
- 1 Before You Start
- 2 Introduction
- 3 Specifications and EnvironmentalConditions
- 4 Quick Start
- 5 Parts and Controls
- 6 General Operation
- 7 Menu Functions
- 8 Digital Communications Interface
- 9 Calibration Procedure
- 10 Maintenance
- 11 Troubleshooting
- Index

The <num> parameter specifies the daily statistics record number. If none is
specified, record 1 is assumed. The response is returned in the format,
<year>,<month>,<day>.
8.2.3.13 DATa:DSTatistics:RECord:ETIMe? [<num>]
Returns the daily statistics recording end time.
Example: DAT:DST:REC:ETIM?
Response: 23,59,59
The <num> parameter specifies the daily statistics record number. If none is
specified, record 1 is assumed. The response is returned in the format,
<hour>,<minute>,<second>.
8.2.3.14 DATa:DSTatistics:RECord:FIND? (<year>,<month>,<day>)
Returns the daily statistics record number for the given date.
Example: DAT:DST:REC:FIND? 2003,9,13
Response: 25
If no daily statistics were recorded for the given date a 0 is returned.
8.2.3.15 DATa:DSTatistics:RECord:VALue? <num>,<chn>,<type>
Returns the daily statistics statistical calculation.
Example: DAT:DST:REC:VAL? 1,1,1
Response: 25.559,0.733,23.097,27.203,4.106,43200,17.16,0
The <num> parameter specifies the daily statistics record number. The <chn>
parameter specifies the channel (1 or 2). The <type> parameter specifies the
statistic: average (1), standard deviation (2), minimum (3), maximum (4),
spread (5), maximum rate (7), or alarm count (8). Temperature values are in the
current temperature unit, C of F.
8.2.3.16 DATa:RECord:CLEar
Clears all recorded measurement data.
Example: DAT:REC:CLE
This command is password protected. To access this command when the
SYST:PASS:REC is enabled, the password must be successfully entered using
the SYST:PASS:CEN <pass> command (see Section 8.2.10, Password
Commands).
8.2.3.17 DATa:RECord:FEED:RHUMidity<chn>?
Returns the state of the humidity recording enable for the specified channel.
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8 Digital Communications Interface
Commands










