Dostmann Electronic P700-EX Bedienungsanleitung

Dostmann electronic GmbH

Waldenbergweg 3b

D-97877 Wertheim-Reicholzheim

Tel.: ++49 (0)9342 / 30890

Fax: ++49 (0)9342 / 30894

Precision Measuring Instrument

P700-EX/P705-EX/P750-EX/P755-EX/P755-

LOG-EX

Operation manual

DOSTMANNelectronic

Version 30/03/2021

DOSTMANN electronic

Manual

List of Contents

I. Safety Advice

II. Handling

1. Setting to work

2. On/off button, Display

3. Changing units from °C to °F

4. Recalling memory data (MAX, MIN, Hold)

5. Delete Memory

6. Difference temperature

7. Auto-Off-function

8. Memory setup (Lo6)

III. Calibration

1. Introduction Calibration

1.1Option 1: calibration by code

1.2Option 2: calibration by physical references

IV.Battery check and Battery change

1. Battery check

2. Battery change

V. Fault Finding

VI. Maintenance

VII. Guarantee

VIII. Ex-data

IX. Technical data

.page 1

.page 13

I. Safety Advice

The following operating instructions contain and

precautionary advice which for the described conditions,

must be taken into consideration to guarantee safe

operation.

For Operation in explosion-prone areas

1.) Test centre: TÜV Nord Cert GmbH

2.) By operating the instrument in explosion-prone areas

all standards must be kept:

A) Only use batteries which are approved by the

manufacturer.

B) It is not allowed to use a power pack.

C) It is not allowed to use the USB port.

D) It is only allowed to use Pt100-probes which are

supplied from the manufacturer for use in

hazardous areas.

E) If there is any reason to suspect that the safety of

the equipment has been affected then it must be

immediately withdrawn from use and precautionary

measures taken in order to prevent any further use

of the equipment in hazardous area until such time

that all necessary checks and repairs have been

carried out.

F) It is not allowed to open the instrument in

hazardous areas.

G) The battery must not be changed within the

hazardous area.

H) The battery cover must be locked by a srew.

I) The following temperatures depending on the

temperature class are admissible at the measuring

point (measuring probe).

By operating in non explosion-prone areas the valid

temperature range is according to instrument’s range

of the manual. The maximum ambient temperature for

the instrument is 40°C. .

.page 2

temperature class

temperature of test point

135°C

185°C

280°C

430°C

II. Handling 1. Setting to work

Before switching on the instrument connect the probe/s to the

instrument.

2. On/off button

By operating the ON/OFF-key the instrument switched on or off.

After switching on the instrument indicates a full segment test for

1,5 sec., afterwards the display shows for appr. 1,0 sec. the

setup of the calibration menu(Coff or hex-code of the sensor).

Then starts operating in measurement mode indicating the actual

measurement category (for example: temperature). All

instruments display the measurement value of channel 1 on the

top display line(big display line). Directly below you will see the

tendency bargraph. The second channel our 2-channel

instruments you will see on the bottom line(small display line).

3. Changing units from °C to °F

To change the measuring unit push [ENTER/MENUE]. Use the

up and down keys [] to select Unit. Push again

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

small 1, which indicates the selected channel. For changing the

channel use the up and down keys []. Push [ENTER/MENUE]

to confirm. On the right corner of the display appears °C or °F, or

%rH, td or gm³(depending on the selected probe). Use the up

and down keys [] again to adjust the requested measuring

unit and push [ENTER/MENUE] to confirm. Push [ESC] to be

back in the measuring mode.

MENUE

Unit Choo PrEn CAL Lin2 Prob

4. Speicherabfrage

After pushing first time the key [HOLD MAX MIN AVE] the actual

value will be hold on the top display line(big display). Pushing

again the key [HOLD MAX MIN AVE], the saved maximum-,

minimum and average value will be displayed in the bottom

display line(small display).

page 3

Notes

page 12

VIII. Ex-data

Certificate of Conformity TÜV 13 ATEX 117115 X

Certification II 2 G Ex ib IIB T4 Gb

CE-Conformity 0044

IX. Technical data

Measuring

channel 1-2

Pt100 4-wire

Temperature

range

-200°C .. 800°C

Resolution

(P750/P755)

(P755Log)

P700-/P715)

0,01°C from –200°C ... +199,99°C

0,1°C from +200°C ... +800°C

0,1°C complete range

Accuracy(P750/

P755, P755Log)

(P700/P705)

(P710/P175)

0,03°C from-50°C ... 199,99°C,

0,05°C from –200°C ... –50°C

otherwise 0,05% of reading

+0,1°C from -100°C..200°C

+0,1% remaining range

+0,2°C from -40°C..200°C

+0,5°C from 201°C..1000°C

+1,0°C remaining range

Working

temperature

0°C ... 40°C

Display

2-line LCD

Housing

ABS

Dimensions

(LxWxH)

200 x 93 x 44 mm

Weight

390 g

Power supply

9 V Alcaline batteries according IEC 6LR61

Typ (6LR61)

3V Litihum CR 2032

Approved

batteries 9V

Approved

batteries 3V

Page 11

Varta LONGLIFE Power 4922 ( Varta)

Varta Industrial Pro 4022 ( Varta )

Duracell Plus Power ( Duracell )

Varta Professionell Electronic CR 2032 ( Varta )

Camelion CR 2032 ( Camelion )

Duracell CR 2032 ( Duracell )

Arcas CR 2032 ( Arcas )

Note for 2-channel instruments: First the MAX-MIN-AVE-

values of channel 1 will be displayed –afterwards the

values of the channel 2 will be displayed. Is there only one

probe on a 2-channel instrument we suggest to deactivate

the channel without probe(menu CHoo).

5. 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 switches back to measuring mode indicating

the actual measured value again.

6. Difference temperature [T1 –T2]

To display the difference temperature push

[ENTER/MENUE]. Use the up and down keys [] to

select Lin2. Push again [ENTER/MENUE]. On the right

corner of the display appears a T1-T2. Use the up and down

keys [] to adjust the requested selection. Push

[ENTER/MENUE] to confirm. Push [ESC] to be back in the

measuring mode. MENUE

Unit Choo PrEn CAL Lin2 Prob

7. AUTO OFF - function

EAoF = Enable Auto-off

dAoF = Disable Auto-off

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

EAoF. Now the instrument switch off automatically after

appr. 30 minutes. Press [ESC/AUTO-OFF] key again. On

the display appears dAoF. Now the Auto-Off-function is

deactivated.

Note: After switching off and on the instrument, the Auto-

Off function is automatically activated.

.page 4

8. 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 automatic 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.

page 5

page 10

V. 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

Hex R environment temperature below working

temperature

VI. Maintenance

- For cleaning the instrument please do not use

aggressive cleanser, but use mild cleanser and

afterwards wipe the instrument by a dry or wet piece of

cloth.

- Please store the measuring instrument in a dry and clean

place.

- Avoid any force like shocks or pressure to the

instrument.

- Do not use force to stick the probe or interface plugs in.

The interface plug is different from the probe plug.

VII. Guarantee

With regular use guarantee lasts 12 months for the instruments

and 6 months for the probes and sensors. Opening of the

instruments leads to expiration of guarantee.

page 9

III. Calibration

Despite high quality manufacturing techniques, each probe

is slightly different from specified standards. To eliminate

inaccuracies caused by exchanging or ageing of probes,

the instrument offer easy calibration functions which

guarantee that the system accuracy is always as good as

if the instrument was specifically calibrated to the

individual probes in our laboratory.

The instruments offer three calibration options:

1) Standard characteristic curve (e.g. Pt100-resistance

according DIN IEC 751)

2) Calibration by code (2 x four digit code) is equivalent

to a 2-point calibration

The code is marked clearly by a label on each

standard probe.

3) Calibration by physical standard references (1-point,

2-point or 3-point calibration)

1. calibration handling

To calibrate the instrument with sensor push

[ENTER/MENUE]. Use the up and down keys [] to

select CAL. Push again [ENTER/MENUE]. On the left

corner of the display appears a small 1, which indicates

the selected channel. For changing the channel use the up

and down keys []. Push [ENTER/MENUE] to confirm

MENUE

Unit Choo PrEn CAL Lin2 Prob

1.1 Calibration by code / OP1

Use the up and down keys [] to select the requested

calibration option. Push [ENTER/MENUE] to confirm.

Use the up and down keys [] to select oP1. Push

[ENTER/MENUE] to confirm. On the bottom of the display

appears a very small 1, after this number a four digit

number(Hex-Code/0..F) is displayed. For changing the

number use the up key []. For stepping to the next

number use the down key []. Is the requested number

complete push [ENTER/MENUE] to confirm. Now on the

bottom of the display appears a very small 2, after this

number a second four digit number is displayed. For

changing the number please follow the manual as before.

Push [ESC] to be back in the measuring mode.

Note: After confirming oP1 by pushing [ENTER/MENUE] the

function oP1(calibration by code) is activated, even though you

leave the menu by pressing[ESC].

CAL

oFF oP2 oP1

1.2 Physical calibration

Use the up and down keys [] to select oP2. Push

[ENTER/MENUE] to confirm.

On the bottom of the display appears 1 P. For changing between

a 1-Point 1 P, 2-Point 2 P or 3-Point 3 P - calibration use the up

and down keys []. OP2

1P 2P 3P

Example of a 1-Point calibration:

Push [ENTER/MENUE] to confirm. On the display appears Go.

After the displayed measuring value is stabile push

[ENTER/MENUE]. Appr. 2 seconds later in the first display line

appears P1 (measuring value 1), in the second display line

appears dP. (standing for decimal point).

Use the up and down keys [] to select the number of digits after

decimal point.

dP. = two decimal digits

dP . = one decimal digit (decimal point is jumping one digit to the

right)

Push [ENTER/MENUE] to confirm. On the second line of the

display appears Si -.

Use up and down keys [] to select the requested sign.

Si _ = reference standard shows a negative measuring value (below

0,00C°)

Si _׀= reference standard shows a positive measuring value (above

0,00C°)

Push [ENTER/MENUE] to confirm. On the second line of the display

appears Fd 0.

Use up and down keys[] to select the requested range:

Fd 0 = below 100,00°C

Fd 1 = above 100,00°C

Push [ENTER/MENUE] to confirm. On the display appears 00.00. For

changing the value use the up key []. For stepping to the next number

use the down key []. Is the requested value complete push

[ENTER/MENUE] to confirm.

Push [ESC] to be back in the measuring mode.

page 7

IV. Battery check and Battery changing

1. Battery check

By showing the „BAT“ segment the instrument indicates,

that the battery has to be exchanged. After showing the

„BAT“ segment the instrument allows appr. 1 hour of

further measuring.

2. Battery changing

The exchange of this maintenance element may only be

carried out outside of the hazardous area. Take care and

ensure that when changing the battery, that only those in

the listed operating instructions are used. The use of any

other type of battery is strictly forbidden in that it will

invalidate the Ex-data certification. In order to open the

battery compartment first remove the screw of the battery

case. After exchanging the battery, refit and tighten the

screw of the battery case in order to use the equipment in

the hazardous area.

Attention: By closing the battery compartment please be

attend not to damage the battery cable.

.page 8

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