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DOSTMANN electronic 

DOSTMANN electronic GmbH

SERIE

P700

P795 

Precision 2-channel hand-held measuring instrument

Operation Manual

1.4.4 Channel activation (only 2-channel instruments) / [Chnl]

Chnl = Channel  

To activate or deactivate a measuring channel push [ENTER/
MENUE]. Use the up and down keys 

[

]

to select 

Chnl

. Push

again [ENTER/MENUE]. On the left corner of the display appears a
small 

1

, which indicates the selected channel. To change the chan-

nel use the up and down keys 

[

]

. Push [ENTER/MENUE] to con-

firm. Use the up and down keys 

[

]

again to activate on or deacti-

vate off the requested measuring channel and push [ENTER/MENUE]
to confirm. Push [ESC] to revert back to the measuring mode.

Note: 

As a minimum one channel is active!

1.4.5 Memory Setup Lo6

Push [ENTER/MENUE] and use the up and down keys 

[

]

to select

Lo6

. Push [ENTER/MENUE] to confirm. Use the up and down keys

[

]

again to start [

on

] or Stop [

off

] the logger. Push [ENTER/

MENUE] to confirm. Use the up and down keys 

[

]

again to select

between automatic storage [Auto] or manually operated storage
[

SPot

]. Push [ENTER/MENUE] to confirm]. Use the up and down keys

[

again to select between to add on data [

Add

] and creating a

new file [

nLo6

]. Push [ENTER/MENUE] to confirm. By selected auto-

matic storage at the end you have to select the time interval:

1 S

1  second

5 S

5  seconds

10 S

10  seconds

20 S

20 seconds

30 S

30 seconds

1 M

1 minute

2 M

2 minutes

5 M

5 minutes

10 M

10 minutes

20 M

20 minutes

By selected manually operated storage you are able to save the
measurement by pressing ESC by each time.
Push [ENTER/MENUE] to confirm. Push [ESC] to revert back to the
measuring mode.

E.g. of the instrument’s LCD by activated logging mode:

On the bottom you can see the percentage of the
occupied memory (0..99%). If a calibration option
is activated the display is alternating between
displaying memory status and calibration infor-
mation.

1.5 Recalling the memory data (HOLD MAX MIN AVE)

After pushing first time the key [HOLD MAX MIN AVE] the actual val-
ues will be held on the display. Pushing again the key [HOLD MAX
MIN AVE], the saved maximum-, minimum and average values will be
displayed.

Note: 

During the recall of the memory data the extremes (MAX MIN)

and the average value (AVE) will not be calculated or carried on. 

Clearing the memory (MAX MIN AVE)

Press [CLEAR] key once to erase the stored maximum, minimum and
average from memory. On the display appears 

Clr

. – After erasing the

memory the instrument automatically reverts back to measuring mode
indicating the actual measured value again.

1.6 Measuring rate 

(Normal-Mode / FAST-Mode / Filter-Mode)

The instrument has  three different response times to select:

Normal-Mode:

high resolution
(0.001 from -199.999 to +199.999)

FAST-Mode:

reduced resolution
(0.01 from -199.99 to +199.99)

Filter-Mode:

high resolution
(0.001 from -199.999 to +199.999)

Press [FAST/

] key to change the measuring rate. 

By using the Filter-Mode the instrument is performing a moving aver-
age to stabilize the dispayed measurements. After turning on the
instrument it is in the Normal-Mode. After pressing once the [FAST/

]

key the instrument switches to the Fast-Mode. Pressing the same key
once again the instrument switches to the Filter-Mode.

E.g. Display with activated Filter-Mode:

The arrow on the top indicates that the instru-
ment is working in the Filter-Mode.

Note: 

After switching off the instrument, this function is automatically

deactivated.

1.7 AUTO-OFF-function

dAoF = Disable Auto-off
EAoF = Enable Auto-off  

Press  [ESC/AUTO-OFF] key once. On the display appears 

EAoF

.

Now the instrument switches off automatically after app. 30 minutes.
Press [ESC/AUTO-OFF] key again. On the display appears 

dAoF

.

Now the Auto-Off-function is deactivated.

Attention: 

This setting will be deactivated when the instrument turns

off. (Standard setting is 

EAoF

). 

1.8 TARE-Function (ZERO-Mode F1)

The Instrument has a special Tare/Zero-button. Pressing the [F1] key
once, the instrument will subtract the last measured value from the
actual measured value. So if the measurement does not change
zero appears on the instrument’s display. If you press the [F1] key
once again the instrument move to the Normal-Mode.

E.g. Display with activated Zero-Mode:

The arrow on the left indicates that the instru-
ment is working in the Zero-Mode [F1].

Note: 

After switching off the instrument, this function is automatically
deactivated.

2. Power supply

For the power supply of the instrument a 9 Volt dry battery is used.
To exchange the battery switch of the instrument and open the
rear battery cover. Remove the battery from the instrument and
replace with a new battery.

The “BAT” symbol  in the display indicates that the battery needs
to be exchanged. After displaying the “BAT” symbol,  the instru-
ment allows app. 1 hour of further operation.

The battery symbol indicates according to the battery status
between 1 to 3 segments.

Attention: 

Please do not dispose of old electronic devices and empty batteries
in household waste. To protect the environment, take them to your
retail store or to appropriate collection sites according to national
or local regulations.

3. Error Codes

By displaying the following error codes the instrument support the
operation of the instrument:

Error

Meaning

oPEn

no probe 
or wrong probe is connected

|

-oLo

„too low“ 
underflow of the measuring range

|

-oHi

„too high“ 
exceeding of the measuring range

|

-Er1

temperature of the cold junction 
above the measuring range

|

-Er2

temperature of the cold junction 
above the measuring range

E15

low battery 
(battery is completely exhausted)

E19

low battery 
(battery is completely exhausted)

E1d

low battery 
(battery is completely exhausted)

E16

time out / auto-off-function

E1o

time out / auto-off-function

E1e

time out / auto-off-function

E23

EE-prom destroyed or 
EE-prom index is wrong

E25

EE-prom destroyed or 
EE-prom index is wrong

E31

temperature of cold junction 
out of range

LoLi

internal buffer battery (CR2032) empty

Unit

L in2 

CAL

Chnl 

Lo6 

MENUE

Unit

L in2 

CAL

Chnl 

Lo6 

MENUE

DE_P795_Anleitung_engl_10_12  09.10.2012  9:57 Uhr  Seite 1

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