Control Company 4087 GENERAL PURPOSE HYGROMETER/THERMOMETER/ DEWPOINT METER User Manual

Traceable, Control company, Cat. no. 4237

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SPECIFICATIONS
Temperature— Range:

32.00 to 122.00 °F /

0.00 to 50.00 °C

Resolution: 0.01°

Humidity—

Range:

10 to 95%RH

Resolution: 0.01%

Dew Point—

Range:

–13.50 to 120.10 °F /

25.30 to 48.90 °C

Resolution: 0.01°

Data output:

PC interface

OPERATION
1. Turn the meter on by pressing the POWER button.
2. Take the desired measurements.
3. Turn the meter off by pressing and holding the POWER

button, release the POWER button when the meter
emits a continuous beep. To preserve battery life,
always turn the meter off when not in use.


SELECTING °F OR °C (Temperature/Dew Point)
1. Turn the meter on by pressing the POWER button.

2. Press and hold the SET button until “

code” appears

at the bottom of the display.

3. Release the SET button “

1000” will appear at the top

of the display.

4. Press the REC/ENTER button. “°

F” will appear at the

bottom of the display and “

0” or “1” will appear at the

top of the display.

5. Press the FUNC/SEND button to select the desired unit

of measure (

0 = °C 1 = °F). Note: When pressing

the FUNC/SEND button, “

0

F”will not change at the

bottom of the display.

6. With the desired value on the display, press the

REC/ENTER button to confirm and save the selection.

7. Press the HOLD/ESC button to return to the

measurement display.


The unit of measure selected will be the default unit of
measure for both temperature and dew point until it is reset.

SELECTING HUMIDITY OR DEW POINT DISPLAY
1. Turn the meter on by pressing the POWER button.
2. Each press of the FUNC/SEND button will toggle the top

display between showing Humidity (“%RH” appears) and
Dew Point Temperature (“Dew” appears). Temperature
will always appear at the bottom of the display.

The Dew Point temperature will be displayed in the same unit
of measure as the temperature display (See the “Selecting
°F or °C” section).

HOLD FUNCTION
The hold function allows the readings on the display to be
“frozen” so that they may be recorded.
1. Press the HOLD/ESC button to “freeze” the display at

the current reading. “HOLD” will appear at the top of the
display.

While in the hold mode, pressing the REC/ENTER,
FUNC/SEND, or SET buttons will have no affect and will not
change the “frozen” reading.
2. Once the reading has been recorded, press the

HOLD/ESC button to return the display to the current
reading. “HOLD” will no longer appear on the display.

RECORD MODE (Min/Max Memories)
While in the Record Mode, the maximum and minimum
readings for Humidity or Dew Point (depending on the
display mode) will be recorded. Also, while in the Record
Mode, the Automatic Shutoff feature is disabled so that long
term monitoring may be performed.
To enter the Record Mode, press the REC/ENTER button.
“REC.” will appear on display.
To recall the maximum and minimum readings since entering
the Record Mode (“REC” appearing on the display), press
the REC/ENTER button.
The first press of the REC/ENTER button will display the
maximum reading achieved since entering the Record Mode.
(“MAX” will appear on the display).
The second press of the REC/ENTER button displays the
minimum reading achieved since entering the Record Mode.
(“MIN” appear on the display).
To return the display to the current reading, press the
HOLD/ESC button. “MAX” or “MIN” will no longer appear on
the display.
To exit from the Record Mode, press and hold the
REC/ENTER button for 3 seconds. “REC” will no longer
appear on the display. The maximum and minimum readings
are automatically cleared once the Record Mode has been
exited.

AUTOMATIC SHUTOFF (Enable/Disable)
With the Automatic Shutoff feature enabled,
after 10 minutes, if no button has been pressed, the meter
will automatically shut off to preserve battery life.
When automatic shutoff is enabled, prior to shutting off, the
meter will alarm to indicate that it is about to turn off. To
prevent the meter from shutting off at this point, press any
button twice (except POWER).
The automatic shutoff feature setting is overridden while in
the Record Mode. (See the “Record Mode” section)

To Enable/Disable the Automatic Shutoff feature:
1. Turn the meter on by pressing the POWER button.

2. Press and hold the SET button until “

code” appears

on the display.

3. Release the SET button “

1000” will appear on the top

display.

4. Press the REC/ENTER button,

0

F will appear at the

bottom of the display.

5. Press the SET button until “

OFF” appears at the

bottom of the display.

6. Press the FUNC/SEND button to enable/disable the

automatic shutoff feature.

(

0 = Disabled 1 = Enabled).

Note: When pressing the FUNC/SEND button, “

OFF”

will not change at the bottom of the display.

7. With the desired value on the display, press the

REC/ENTER button to confirm and save the selection.

8. Press the HOLD/ESC button to return to the

measurement display.

The automatic shutoff feature will now be enabled/disabled
until it is re-set.

REAL-TIME DATA OUTPUT
The meter features a computer output via 3-pole 3.5 mm
plug that will output the current display readings in real-time.
An lead with a 3-pole 3.5 mm jack on one end (plugs into
“RS 232 OUT”) and a 9-pin female D-Subminiature
connector on the other end (plugs into the PC’s serial port)

will be required to link the instrument with a PC. The output
is a 16-digit data stream that may be utilized by accessory
item# 4237 (See the “Optional Accessories” section) or by
user specific applications.

ALL OPERATION DIFFICULTIES
If this meter does not function properly for any reason,
replace the battery with a new, high-quality battery (see the
“Battery Replacement” section). Low battery power can
occasionally cause an number of “apparent” operational
difficulties. Replacing the battery with a new fresh battery
will solve most difficulties.

BATTERY REPLACEMENT
An erratic display, faint display, no display, or a battery icon
appearing on the display are all indicators that the battery
needs replacement. Remove the battery compartment
screws. Lift out the battery compartment. Remove the
exhausted battery and replace it with a new 9 volt alkaline
battery. Replace the battery compartment and tighten the
screws securely.

WARRANTY, SERVICE, OR RECALIBRATION
For warranty, service, or recalibration, contact:

CONTROL COMPANY

4455 Rex Road •

Friendswood, Texas 77546 • USA

Ph. 281 482-1714 •

Fax 281 482-9448

www.control3.com •

[email protected]

Control Company is ISO 9001

Quality-Certified by DNV and ISO

17025 accredited as a Calibration

Laboratory by A2LA.








OPTIONAL ACCESSORIES

Cat. No. 4237 -

Data Acquisition System

Accessory Powerful and easy to use computer data
capture/data logging program works with Traceable

®

Instruments with computer output. Records interval
readings from 1 to 10,000 seconds; displays
minimum/maximum readings; and utilizes an alarm
mode that permits the user to be notified visually,
audibly, and by email when an alarm is triggered.
Data is stored to a file that can be printed in any
report or spreadsheet format. Networking
server/client capability allows the captured data to be
monitored on a remote workstation and/or by email. It
is designed to work with Windows

®

98/Me/NT/2000/XP/Vista. Includes a CD, a 6-foot
cable (supplied USB and serial connections) that
plugs into the instrument and computer. Accessory
extension cables expand cable length to 300 feet.








DAS-4™ is a trademark of Control Company.
Traceable

®

is a registered trademark of Control Company

© 2009 Control Company

92-4087-20 Rev. 1 040909

TRACEABLE

®

GENERAL PURPOSE HYGROMETER/THERMOMETER/

DEWPOINT METER INSTRUCTIONS

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