HD2307
- 11 -
V1.7
a r e ch e ck e d for con for m it y w it h cla ss A t ole r a n ce
according t o norm I EC751 -
BS1904 - DI N43760.
The inst rum ent is provided w it h t he
FACT
( fact ory) calibrat ion.
The user is also able t o perform a
USER ca libr a t ion
of inst rum ent + probe.
The calibrat ion inform at ion is saved in t he inst rum ent m em ory and not in t he probe.
The sam e correct ion is applied t o any probe connect ed t o t he input : t herefore, t he
" USER calibrat ion" should only be used wit h t he probe used for calibrat ion and not
wit h ot her probes.
To pass from t he user t o t he fact ory calibrat ion and back, proceed as follows:
•
press sim ult aneously
UN I T/ M EN U
and
D ATA/ EN TER
t o open t he m enu:
•
press ENTER unt il t he m enu it em
" CAL_ M OD E"
is select ed.
•
use t he
and
arr ows ( respect ively locat ed above t he HOLD and REL keys) t o
select t he t ype of calibrat ion;
•
confirm by pressing
D ATA/ EN TER
.
C
ALI BRATI ON SEQUEN CE
–
I
N STRUM EN T ON LI N E W I TH TH E PROBE
(
S
) :
The calibrat ion can be carried out on one or t wo point s
t h a t sh ou ld diffe r by a t
le a st 1 0 ° C
and be included in t he probe funct ioning range.
1. I nsert t he probe int o a t herm ost at ic bat h, t he t em perat ure of which is precisely
known from a reading t aken on a sam ple reference t herm om et er. Wait for t he
m easurem ent t o st abilize.
2. Press cont em porarily
UN I T/ M EN U
and
D ATA/ EN TER.
3. Press
D ATA/ EN TER.
4. Use t he
and
ar r ows ( respect ively locat ed above t he HOLD and REL keys) t o
select t he USER calibr at ion;
5. Confirm w it h
D ATA/ EN TER
.
6. The
" SEL_ M EAS_ 1 / 2 "
m essage is display ed in t he com m ent line.
7. Use t he
and
arrows t o select
" 1 "
( first calibrat ion point ) .
8. Confirm w it h
D ATA/ EN TER
.
9. The
" UP D OW N 1 st M EAS"
m essage is displayed in t he com m ent line: t he
inst rum ent display shows t he m easured t em perat ure.
10.Use t he
and
arrows t o correct t he indicat ed value unt il it coincides wit h t he
value m easured by t he sam ple reference t herm om et er.
11.Confirm w it h
D ATA/ EN TER
.
12.To exit t he procedure wit hout perform ing t he second point , select
" 0 "
and press
EN TER
.
13.To calibrat e t he second point , select t he point
" 2 "
using t he
and
arrows.
14.Press
D ATA/ EN TER
.
15.The
" UP D OW N 2 n d M EAS"
m essage is displayed in t he com m ent line.
16.Move t he probe t o t he second t herm ost at ic bat h and wait for t he m easurem ent t o
st abilize.
17.The inst rum ent display shows t he m easured t em perat ure.
18.Use t he
and
arrows t o correct t he indicat ed value unt il it coincides wit h t he
value m easured by t he sam ple reference t herm om et er.
19.Confirm w it h
D ATA/ EN TER
.
20.To exit t he procedure, select
" 0 "
using t he
and
arrows and press
EN TER
.
The procedure is now com plet e.
Summary of Contents for HD2307.0
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