Dostmann Electronic P400 Series User manual

31.1029_e
Dostmann electronic
Precision Measuring Instrument
P400-series
English language
User Manual

Summary
1. Handling
1.1.General advice
1.2.Operation
1.3.Switching on/off
1.4.Functions
1.4.1. Measuring unit switching °C/°F
1.4.2. Calibration (Offset-adjustment)
1.5.Recalling memory data (HOLD/MAX/MIN/AVG)
1.6.19-measurment memory
1.7.AUTO-OFF-function
2. Power supply / Changing the battery
3. Technical data
4. Guarantee

1. Handling
1.1 General advice
- For cleaning the instrument please do not use abrasive cleaner, but a dry or
damp cloth.
- Please store the measuring instrument in a dry and clean place when not in
use.
- Avoid any force like shocks or pressure to the instrument.
- Do not use force to connect the probe or interface plugs in. The interface
plug is different from the probe plug.
- If no sensor is connected to the instrument while switching on „OPN“ shows
on the display (Please refer to chapter error codes/troubleshooting).
- A retractable stand on the back of the instrument allows it to be used as a
bench top instrument.
1.2 Operation
Before switching on the instrument, connect the probe/s to the instrument and insert
the battery (Please refer to chapter 6. Power supply / battery changing). A number
on the instrument’s housing marks each port.
1.3 Switching on and off
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 instrument starts operating in
measurement mode indicating the actual measurement
temperature.

1.4 Functions
1.4.1 Measuring unit switching °C and °F (Celsius / Fahrenheit)
To change the measuring unit push ON/OFF- and MEM/OUT-Button simultaneously
until the measurement value will shown.
1.4.2 CAL-option (how to adjust the instrument)
The instrument offers an easy calibration function to adjust the temperature at one
point –to compensate sensor tolerances.
Push once the Hold-Button. On the bottom of the display you will see HLD and the
displayed measurement value is “frozen”. By using now the MEM IN-Button the
instrument switch to CAL-mode. On the instrument you will see:
00.0
The first 0 is blinking. By using the MEM IN-Button you increase the blinking figure
and by using the MEM OUT-Button you decrease the measurement value. By using
the Hold button you will switch to the next figure or you will end the adjustment.
Note: The mentioned offset will add or subtract(negative value) from the
measurement.
1.5 Recalling the memory data (HOLD MAX MIN AVE)
After pushing first time the key [HOLD MAX MIN AVE] the actual value will be held
on the display. Pushing again the key [HOLD MAX MIN AVE], the saved maximum-,
minimum and average value 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
1.6 19-Measurement Memory
The instruments series P400 provides a 19 measurement memory function. For
saving the displayed measurement push the MEM IN-Button. On the bottom of the
display the memory position will shown. To readout the memory push the MEM
OUT-button. On the bottom of the display “REC” and the position of the memory will
be displayed (REC 1-19). For clearing the memory push once the CLEAR-Button
while displaying the memory measurements.
1.7 AUTO-OFF-function
P400 and P410 instruments will switch off automatically after 15 minutes without
pressing any key. Pressing the CLEAR-Button and switching on the instrument
simultaneously can disable this function when dAo is displayed.

2. Power supply
For the power supply of the instrument two 1,5 Volt battery (AA size) are used. To
exchange the batteries switch off the instrument and open the battery cover on the
back of the instrument. Replace the used batteries with new ones.
When the instrument displays the „BAT“ segment, it indicates that the batteries need
replacing and the instrument allows app. 1 hour of further measurement time.
Note: For protection of our environment please dispose of the batteries according to
current local regulations.
4. Guarantee
With normal use, the guarantee lasts for 12 months for the instruments and 6 months
for the probes and sensors. Opening of the instruments leads to expiration of
guarantee.
The producer guarantees that his product will not have any material defect or defect
in workmanship during the above-mentioned period if the product is accordingly used
and maintained. Exceptions are defined in the following way:
The guarantee does not apply for batteries and fuses. The guarantee does not cover
products that are damaged, used improperly or negligent, practised or stored
incorrectly.
These guarantee conditions replace all possible expressly or tacitly confirmations. No
liability will be assumed for special, casual or constructive damages when it occurs
through unauthorized act or through another way even if it is within the contract.
3. Technical Data
P410
P400
Thermocouple type K (NiCr-Ni)
Pt100, 4-wire
Measuring range
-99,9°C…+1370°C
-99,9°C…+850°C
Accuracy
+-0,5°C
+-0,3°C
(+- 1 digit)
(Instrument only)
(Instrument only)
Resolution
0,1°C from -99,9°C...+399,9°C
0,1°C from -99,9°C...+399,9°C
otherwise 1°C
otherwise 1°C
Memory
16 Measurements
16 Measurements
Connectors
Miniature connector
DIN 45326 8-pole
Working
temperature
0°C ... +50°C
0°C ... +50°C
Display
1-Line LCD
1-Line LCD
Housing
plastic(ABS)
plastic(ABS)
Dimensions
130 x 65 x 25 mm (LxWxH)
130 x 65 x 25 mm (LxWxH)
Weight
240 g
240 g
Power supply
2 x 1,5 Volt AA
2 x 1,5 Volt AA
Battery life
ca. 200 Std.
ca. 200 Std.