Ahlborn THERM 2420, Руководство по эксплуатации

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13. Appendix
13. APPENDIX
13.1 Technical data
Measuring input :
1 miniature thermal socket for thermocouples with
miniature thermal flat connector
A/D converter : Delta-sigma 15-bit, at measuring rate 2.5 mops
Gain : 40, 80
Common mode input range : -0.26 ... +2.6 V, Overload max. -4..+5V
Input current : < 2 nA
System accuracy : ± 0.1 % v. Measuring values ± 3 Digit
Temperature drift : 0.01 %/°C
Cold junction compensation: -30 ... +100 °C, Accuracy : ± 0.2 K ± 0.01K/°C
Self-calibration: Automatic zero point correction
Control functions: automatic sensor failure detection
Measuring ranges
NiCr-Ni Type K -200.0...+1370.0
°C
NiCroSil-NiSil Type N -200.0...+1300.0
°C
Fe-CuNi Type L -200.0... +900.0
°C
Fe-CuNi Type J -200.0... +950.0
°C
Cu-CuNi Type U -200.0... +600.0
°C
Cu-CuNi Type T -200.0... +400.0
°C
PtRh10-Pt Type S 0.0...+1760.0
°C
Millivolt -10.000...+55.000
mV
Standard equipment
LCD : Measured value : 5x 7-segment 15 mm,
2x 16-segment 9 mm
Function 4½ x 7-segment 9 mm, 5 symbols
Operation : 7 silicone keys
Memory : 1 measuring value on the RAM
Microprocessor : M16C28
Power supply :
Batteries : 3 AA alkaline batteries
Current consumption : approx. 10 mA
Battery operating time : approx. 250 hours
Housing :
(LxWxH) 127 x 83 x 42 mm ABS (acrylonitrile butadi-
ene styrene), weight : approx. 260 g
Suitable conditions
Operating temperature -10 to +60 °C
(storage temperature -20 to +60 °C)
Ambient relative humidity : 10 to 90 % rH (non-condensing)
13.2 Product overview
Temperature measuring instrument THERM 2420 Order no.
1 measuring input , 2-row LCD, 7 keys, 3 AA batteries MT 24201L
14 THERM 2420
(see Manual 2.3)