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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. 

Summary of Contents for P400 Series

Page 1: ...31 1029_e Dostmann electronic Precision Measuring Instrument P400 series English language User Manual ...

Page 2: ... 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 ...

Page 3: ...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...

Page 4: ... 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...

Page 5: ...ed 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 unauth...

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