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D122.A D122.PA D122.Z DM110 TA125
D122.ABlockdiagramDimensionsOptionsPropertiesTech.dataType.codeDownload

Digital Indicator: D122.A - Technical Details

  D122.A
  D122.A.0 D122.A.3 D122.A.5 D122.A.6 D122.A.7
Device group

Ex-protection

II 2 (1) G; Ex ib [ia Ga] IIC T6 Gb
II 2 (1) G; Ex ib [ia Ga] IIC T5 Gb
II 2 (1) D; Ex ib [ia Da] IIIC T135°C Db (D122.x.x.0.0)

II 2 G; Ex [ib Gb] ib q IIC T4 Gb (with option .BM)

EC type certificate
TÜV 99 ATEX 1488
IECEx TUN 14.0011
Display 4½-digit seven-segment LCD
3 ½ 4 ½
Figure height
15mm 30mm 30mm 50mm 30 mm
Display range
-19999 ... +19999 -1999 ... +1999 -19999 ... +19999
Dimension symbols
Selectable with defined symbols
Decimal point
Selectable by keyboard
Bargraph 41 Segments 41 Segments
Alarm limits on display
 Vers. D122.A.o .2
- via bargraph
- Flashing 'Max'- or 'Min'- Sign
/  - via bargraph
-'Max'- or 'Min'-
Limit monitoring
Ausf. D122.A.o .2
By means of intrinsically safe control circuits (e.g. NAMUR or DIN 19234)
Current control button
Direct display of current in measure circuit

Measuring circuit

Measuring circuit limits

intrinsically safe measuring circuit 4 ...20 mA; voltage drop ca. 1V, HART

No load voltage Ui = 65 V; short-circuit current Ii = 160 mA; Pi = 10,4 W
internal inductance = 40 µH, internal capacitance = 10 nF
see certificate TÜV 99 ATEX 1488

Alarm monitoring terminal limits
By intrinsically safe control circuits
No-load voltage U i = 30 V; short-circuit current Ii = 160 mA; Pi = 850 mW
internal inductance = 40 µH, internal capacitance is negligible
see certificate TÜV 99 ATEX 1488
Housing Acc. Schalttafelnorm DIN 43700 field housing
Protection class
Front panel IP 40 up to IP 65 IP 65 IP 66
Dimensions HxBxT [mm] 48x96x63,5 72x144x85 133,5x138x64 138x184x64 140 x 140 x 71
Control panel hole
43,5 x 91,5 66 x 136,5  -
Material Glass fibre strengthened noryl
ABS Aluminium
Measuring error
0,1% ħ 2 digits referring to measure range
Temperature coefficient
< 0,01% of measure range / K
Ambient temperature
-20°C ...+45°C in temperature class 6 or
-20°C ...+60°C in temperature class 5
Humidity  5-95 %, non-condensing
  last modified: 07.01.2016