SPECIFICATIONS
Range:
-328.00 to 932.000°F -200.00 to 500.000°C
Resolution:
(user selectable)
0.001°, 0.01° or 0.1°
from -99 to 932°F/-99 to 500°C
0.01° or 0.1°
from -328 to -100°F/-200 to -100°C
0.0001° from -9.9999 to 99.9999 °F/°C
Sampling Rate: approximately 2 times per second
Memories:
48 Memories are stored in the History
Mode (min/max for the past 24 hours)
2 Memories are stored in the Min/Max
Mode (min/max for the current hour)
Probes Supplied:
Model 620-1980 supplied with a fast response, handleprobe. The stainless steel portion of the probe is capable of
measuring temperatures through the entire range (-328 to
932°F/-200 to 500°C)
Model 620-1981 supplied with a fast response, bullet-probe
with PTFE cab le. The sensor and cable are capable of being
subjected to temperatures of -148 to 392°F/-100 to 200°C
BUTTON DESCRIPTION
ON/OFF
Turns unit on and off.
°F/°C:
Selects °Fahrenheit/°Celsius
.0/.00/.000/.0000 Selects decimal point on display
HISTORY
Displays history memories
HOLD/CLEAR
Press to hold reading also used in
conjunction with HISTORY or
MIN/MAX buttons to exit the mode or
clear readings.
MIN/MAX
Displays the highest and lowest
temperatures recorded for the current
hour.
RECALL MINIMUM/MAXIMUM
1. Press MIN/MAX to view the minimum and maximum
temperatures recorded since turning the unit on or
since clearing min/max.
DISPLAY MESSAGES
▲ Appearing indicates temperature is rising.
Press the MIN/MAX button once to display the
minimum temperature. The lower portion of the
display shows “MIN” indicating that this is the
minimum reading. While in the MIN/MAX mode,
select the desired format with the °F/°C or
.0/.00/.000/.0000 buttons.
“LLL” Displayed when the temperature being
measured is below the range of the unit or when
there is an open probe or no probe.
4. Press the .0/.00/.000/.0000 button to change the
display to read the desired resolution.
2.
5.
3.
Press the MIN/MAX button again to display the
Maximum temperature. The lower portion of the
display shows “MAX” indicating that this is the
maximum reading. A third press will return the
display to the current reading.
OPERATION
1. Plug the probe into the receptacle located on the right
side of the unit.
2. Press the ON/OFF button to turn the unit on.
3. Press the °F/°C button to change the display
between Fahrenheit and Celsius.
Use the probe to monitor temperatures in air/gas,
liquids, and semi-solids. Place the stainless-steel
portion of probe in contact with the material to be
measured. In most instances the depth of the probe
needs to be approximately ½ inch.
6. Press the ON/OFF button to turn the unit off when the
thermometer is not in use to prolong battery life.
HISTORY MODE
History provides an effortless method to observe when a
temperature change takes place. It continuously displays
for the past 24 hours starting with 1 hour ago. If left on for
more than 24 hours, it displays only the most recent 24
hours. History may be reviewed at any time.
1.
After 1 hour, press the HISTORY button once to
show the current or first hour reading. The display
will show “1” on the far right to indicate this is the first
reading. After approximately two seconds, the display
will show the temperature and “min” which indicates
this is the minimum reading for the first hour. After
approximately two more seconds, the display will
again show “1”. The display continues to alternate
between these two displays. While in the history
mode, the °F/°C or .0/.00/.000 buttons may be used
to select the desired format.
2.
The second press of the HISTORY button shows the
maximum temperature for the current or first hour.
After approximately two more seconds, the display
will show “1”.
3. With each press of the HISTORY button, the unit
will scroll through all 48 minimum and maximum
readings.
4.
To exit the history mode, press the CLEAR button
or MIN/MAX button. As long as the unit is in the
history mode, pressing the CLEAR button alone will
not clear the history.
5. To clear history, first exit the history mode and then
press HISTORY and CLEAR buttons simultaneously.
Turning the unit off does not clear the history.
4. MIN/MAX may be reviewed at any time.
5.
To clear the MIN/MAX, place the unit in normal mode
(not reviewing the MIN/MAX) and press MIN/MAX
and CLEAR simultaneously. You may also clear
MIN/MAX by turning the unit off.
HOLD FUNCTION
1. Press the HOLD button once to “freeze” the display
at the current temperature reading. “HOLD” appears
on the lower portion of the display indicating that the
unit is in hold mode.
2. While in the HOLD mode, select the desired format
with the °F/°C or .0/.00/.000 buttons.
3. Press the HOLD button a second time to return to
the current temperature reading. “HOLD” will no
longer appear on the display.
POWER
Do not turn the unit on and off rapidly. It may lock the
display. When turning the unit on/off the microprocessor
may become locked, inoperable, or the display may
read “888888.” If this occurs, reset the thermometer by
removing the battery, waiting 15 seconds, and replacing
the battery.
▼ Appearing indicates temperature is falling.
“HHH” Displayed when the temperature being
measured is above the range of the unit or
when there is a shorted probe.
“BAT” Displayed when the battery is low and needs to
be replaced. See Battery section for battery
replacement instructions.
RECEPTACLES
The receptacle on the right side of the unit is for the
probe. The upper left side receptacle is for an accessory
AC Adaptor. The lower left side receptacle is for the
accessory Data Acquisition System data cable.
DATA OUTPUT
In order to use the data output, the Accessory Data Cable
Cat No. 630-2507 is required. See Accessories section for
ordering information..
With the accessory data cable attached, to toggle the
RS232 output on/off, press and hold the °F/°C and
.0/.00/.000/.0000 simultaneously (2320 indicates
RS232 output is “on”, 232F indicates RS232 output
is “off”).
BATTERY
If “BAT” appears on the display, it indicates the
batteries are low and need to be replaced. To replace
the battery, slide the battery cover located on the back
of the unit away from the unit. Remove the old battery
and replace it with a new 9-Volt alkaline battery. Use an
alkaline battery, NOT a regular or heavy duty battery.
Properly connect the battery. Replace the battery cover.
Incorrectly installed batteries may damage electronics.
ALL OPERATIONAL DIFFICULTIES
If this thermometer does not function property for any
reason please replace the battery with a new 9-Volt
alkaline battery Battery section, above). Low battery
power can occasionally cause any number of “apparent”
operational difficulties. Replacing the battery with a new
fresh battery will solve most difficulties.
ACCESSORIES
Cat. No. 33500-092 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/7. Includes a CD, data cable (supplied USB and serial connections) that plugs into the instrument and computer.
Technical service
Web Resources
Visit the VWR’s website at www.vwr.com for:
• Français, Español, Deutsch, Italiano, Português version
• Complete technical service contact information
North American Catalog Number 61161-324
• Access to VWR’s Online Catalogue, and information about
European Catalogue Number 620-2042
Version:
1
accessories and related products
Issued:
29, 02, 2012
• Additional product information and special offers
Legal Address of Manufacturer
Contact us for information or technical assistance contact your local United States
VWR International
1310 Goshen Parkway
VWR representative or visit. www.vwr.com.
West Chester, PA 19380
800-932-5000
http://www.vwr.com
VWR Thermometer
INSTRUCTION MANUAL
TRACEABLE ®
PLATINUM
ULTRAACCURATE
THERMOMETER
INSTRUCTIONS
Europe
VWR International bvba
Researchpark Haasrode 2020
Geldenaaksebaan 464
B-3001 Leuven
+ 32 16 385011
http://be.vwr.com
Warranty
Country of origin - China
VWR International warrants that this product will be free from defectsInstallation
in material and workmanship for a period of two (2) years from date Before using this Thermometer, place your thumb on the ribbed area on the back of the unit and slide the battery cover off. Remove the
of purchase. If a defect is present, VWR will, at its option, repair, red tab so that the battery will make proper contact at the terminals. Replace the battery cover.
replace, or refund the purchase price of this product at no charge to Intended use
This item is intended for general laboratory use to monitor temperature and humidity.
you, provided it is returned during the warranty period. This warrantyProduct Specifications
does not apply if the product has been damaged by accident, abuse,SPECIFICATIONS
1⅛ inch (2.86 cm) LCD
misuse, or misapplication, or from ordinary wear and tear. For your Display:
Ambient: 23.0 to 122.0 °F (–5.0 to 50.0 °C)
protection, items being returned must be insured against possible Range—Probe: –58.0
to 158.0 °F (–50.0 to 70.0 °C)
damage or loss. This warranty shall be limited to the replacement of Resolution: 0.1°
±1°
defective products. IT IS EXPRESSLY AGREED THAT THIS WAR- Accuracy:
Sampling Time: 10 seconds
RANTY WILL BE IN LIEU OF ALL WARRANTIES OF FITNESS AND
Power:
1 AAA Alkaline Battery
IN LIEU OF THE WARRANTY OF MERCHANTABILITY.
Case:
ABS Plastic
GO TO VWR.COM FOR THE LATEST NEWS,
SPECIAL OFFERS AND DETAILS OF YOUR LOCAL
VWR DISTRIBUTOR
Cat. No. 89369-138 / 620-1980
Cat. No. 89369-140 / 620-1981
©2015 92-6412-60 Rev. 1 011115
Size:
2¾ x 4¼ x ⅝ inches
Accessories:
sensor bracket, Velcro™, stand, battery, Traceable® Certificate, instructions.
Description of Buttons and Switches / Operational keys
Key
Functions
Location
RESET
Resets the minimum/maximum memory
MIN TEMP
Displays the minimum temperature
Front
Front
MAX TEMP
Displays the maximum temperature
Front
Operation
1.
Turn the thermometer on by inserting the battery. To insert the battery, slide the Battery door located on the back in the direction of
the arrow. Insert the battery as directed by the polarity symbols (+ and -). Replace the Battery Door.
VWR Collection Manual ver 2, rel 1 20.02.2009