VWR TD 131 User manual

H46.0.01.6C-04_VWR
Operating Manual TD 131
European Catalogue Number(s):
Euro Plug: 620-1933
Issued: 01.04.2013
Recalibratable digital thermometer
For probe Pt1000
WEEE-Reg.-Nr.: DE93889386

H46.0.01.6C-04_VWR
General
Read through thisdocument attentivelyand make yourself familiar to the ofthe
device before you use it. Keep this document in a ready-to-hand way in order to be
able to look up in the case of doubt
Disposal Notice
Dispense exhausted batteries at destined gathering places.
The device mustnot be disposed in the unsorted municipal waste. Send
the device directly to us (sufficiently stamped), if itshould be disposed.
We will dispose the device appropriate and environmentally sound.
Safety Instructions
This device has been designed and tested in accordance to the safetyregulations
for electronic devices. However, its trouble-free operation and reliability cannot be
guaranteed unless the standard safety measures and special safety advises given
in this manual will be adhered to when using it.
1. Trouble-free operation and reliability of the device can only be guaranteed if it
is not subjected to any other climatic conditions than those stated under
“Specification”.
Transporting the device from a cold to a warm environment condensation may
result ina failureof the function. In such a case make sure the device tempera-
ture has adjusted to the ambient temperature before trying a newstart-up.
2. Whenever there maybe a risk whatsoever involved in running it, the device
has to be
switched off immediately and to be marked accordingly to avoid re-starting.
Operator safety maybe a risk if:
there isvisible damage to the device
the device is not working as specified
the device has been stored under unsuitable conditions for a longer time
In case of doubt, please return device to manufacturer for repair or mainte-
nance.
3. Warning: Do not use these product as safety or emergency stop device, or in
any other application where failure of the product could result in personal injury
or material damage.
Failure to comply with these instructions could result in death or serious injury
and material damage.
4. If device is to be connected to other devices the circuitry has to be designed
most carefully.Internalconnection in third party units (e.g. connection GND
and earth) may result in not-permissible voltages impairing or destroying the
device or another device connected.
Warning: If device isoperated with a defective mains power supply (short cir-
cuit from mains voltageto output voltage) this may result in hazardous voltages
at the device (e.g. sensor socket).

H46.0.01.6C-04_VWR
Sensor
Scale
NP
Operating and Maintenance Advice
1. In case of lowbattery voltage "BAT"is displayed; make sure to exchange bat-
tery immediately as too low an operation voltage may lead to incorrect measur-
ing results. To exchange battery, please proceed as follows:
- push battery cover located at the back side of the device unit downwards.
- take out battery and replace by a new one
- close battery cover
We recommend to take out battery if device will not be operated for some time
or if the device will be storaged about 50°C.
Please note: If the battery voltage falls even lower the voltage may not be suf-
ficient for "BAT" to be displayed so that there will be no "BAT" indication al-
though the battery has been usedup. Werecommend to make it a rule to al-
ways check the battery if the values indicated seem to be completely outof
range.
2. Make sure to maintain unit properly and to operate it in accordance with the
specification listed (do not throw, knocketc.).
3. Mains operation:
When using a power supply unit please note that operating voltage has to be
10 to 12 V DC. Do not apply overvoltage! Cheap 12V-power supply units often
have excessive no-load voltage. We, therefore, recommend using regulated
voltage power supply units. Trouble-free operation is guaranteed by our power
supply GNG10/3000. Prior to connecting the plug power supply unit with the
mains supply make sure that the operating voltage stated at the power supply
unit is identical to the mains voltage.
Adjusting
The measuring device will be calibrated before leaving our works. A recalibration
is, therefore, not necessary. If you want to calibrate the device for an existing sen-
sor, please proceed as follows:
1. Zero point adjusting (0°C): Put ice cubes in a glass and pour cold water until
ice cubesare almost covered. Put sensor into
glass, and stir water. Wait for stable value and
turn zero point potentiometer (NP) by means of a
screwdriver until display shows "0.00"
2. Scale adjusting: For scale adjustment a
known reference temperature is needed. Expose the probe to thereference and
adjust the display using the potentiometer “Scale”
Calibration Service
Calibration certificate - DKD certificate - official certifications:
If the measuring instrument is supposed toreceive a calibration certificate, ithas
to be sent to the manufacturer. (declare test levels, e.g. 0°C;70°C)

H46.0.01.6C-04_VWR
Specification
Measuring range:
-199.9 ... +199.9 °C
Accuracy:
± 0.1 %of meas. value ± 2 digit (at nom. temperature)
(at range –70.0 ... +199.9 °C –at lower values refer to correction table below )
Sensor:
Pt1000 sensor, 2-wire,
connection via 3.5mm Ø jack connector
Resolution
0.1 °C
Display:
approx. 13 mm high, 3½-digit LCD
Nominal temperature:
25 °C
Working condition:
-30 to +45 °C, 0 to 80 %RH(non condensing)
Storage temperature:
-30 to 70 °C (device)
Power supply:
9V-battery type IEC 6F22 (included) as well as addi-
tional d.c. connector (internal pin Ø 1.9mm) for external 10-
12V direct voltage supply.
(suitable power supply: GNG10/3000)
Battery life
~ 200 operating hours
Low battery warning:
"BAT" displayed automatically in case oflow battery
Housing:
Impact-resistant ABS-housing, front IP65
Dimensions:
approx. 142 x 71 x 26 mm (H x W x D)
Weight:
approx. 160g (cpl. device with battery)
EMC:
The device corresponds to the essential protection ratings
established in the Regulations of the Council for the Ap-
proximation of Legislation for the member countries re-
garding electromagnetic compatibility (2004/108/EG).
Additional error: <1%
Correction table for low temperatures
temperature display
-200 -201.9
-195 -196.7
-190 -191.6
-185 -186.4
-180 -181.2
-175 -176.1
temperature display
-170 . -171.0
-165 -165.9
-160 -160.8
-155 -155.7
-150 -150.6
-145 -145.5
temperature display
-140 -140.4
-135 -135.4
-130 -130.3
-125 -125.3
-120 -120.2
-115 -115.2
temperature display
-110 -110.1
-105 -105.1
-100 -100.1
-90 -90.0
-80 -80.0
-70 -70.0

H46.0.01.6C-04_VWR
Technical service
Web Resources
Visit the VWR’s website at www.vwr.com for:
•Complete technical service contact information
•Access to VWR’s Online Catalogue, and information about accessories and r e-
lated products
•Additionalproduct information and special offers
Contact us For information or technical assistance contact your local VWR repre-
sentative or visit. www.vwr.com.
Warranty
VWR International warrants that this product will be free from defects in material
and workmanship for a period of two (2) years from date of purchase. If a defect is
present, VWR will, at its option, repair, replace, or refund the purchase price of this
product atno charge to you, provided it isreturned during the warranty period. This
warranty does not apply if the product has beendamaged by accident, abuse, mis-
use, or misapplication, or from ordinary wear and tear.
For your protection, items being returned must be insured against possible damage
or loss.This warranty shall be limited to the replacement of defective products. IT
IS EXPRESSLY AGREED THAT THIS WARRANTY WILL BE INLIEU OF ALL
WARRANTIES OF FITNESS AND INLIEU OF THE WARRANTY OF MER-
CHANTABILITY.
Equipment disposal
This equipment is marked with the crossed out
wheeled bin symbol to indicate that thisequipment
must not be disposed of with unsorted waste.
Instead it's your responsibility to correctly dispose of
your equipment at lifecycle -end by handling it over to
an authorized facilityfor separate collection and re-
cycling. It's also your responsibility to decontaminate
the equipment in case of biological, chemical and/or
radiological contamination, so as to protect from
health hazards the persons involved in the disposal
and recycling of the equipment. For more information
about where youcan drop off your waste of equip-
ment, please contact your local dealer from whom
you originally purchased this equipment. By doing so,
you will help to conserve naturaland environmental
resources and you will ensure that your equipment is
recycled in a manner that protects human health.
Thank you

H46.0.01.6C-04_VWR
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