diff --git a/PFEIFFER_DualGauge/body.png b/PFEIFFER_DualGauge/body.png
new file mode 100644
index 0000000000000000000000000000000000000000..b66c7c368d5266dc097382e660ded9115e29ef7b
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diff --git a/PFEIFFER_DualGauge/char-1.png b/PFEIFFER_DualGauge/char-1.png
new file mode 100644
index 0000000000000000000000000000000000000000..df10c5eb47c21a92946851777e3fc4eafad28251
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diff --git a/PFEIFFER_DualGauge/char-3.png b/PFEIFFER_DualGauge/char-3.png
new file mode 100644
index 0000000000000000000000000000000000000000..c8683396a1ba6acdd57f8250b788025931b0059a
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diff --git a/PFEIFFER_DualGauge/char-4.png b/PFEIFFER_DualGauge/char-4.png
new file mode 100644
index 0000000000000000000000000000000000000000..1587a0cf430852e9fc888f35ad9223e1a0a4455a
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diff --git a/PFEIFFER_DualGauge/char-7.png b/PFEIFFER_DualGauge/char-7.png
new file mode 100644
index 0000000000000000000000000000000000000000..075908b89830262562a589cfc54fac20453ac714
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diff --git a/PFEIFFER_DualGauge/char-9.png b/PFEIFFER_DualGauge/char-9.png
new file mode 100644
index 0000000000000000000000000000000000000000..3b2f44dfa77cbe6ff6211d38f14934231604fd32
Binary files /dev/null and b/PFEIFFER_DualGauge/char-9.png differ
diff --git a/PFEIFFER_DualGauge/char-dot.png b/PFEIFFER_DualGauge/char-dot.png
new file mode 100644
index 0000000000000000000000000000000000000000..a86437994846ce78da46d0ab035f62d43c946c80
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diff --git a/PFEIFFER_DualGauge/char-minus.png b/PFEIFFER_DualGauge/char-minus.png
new file mode 100644
index 0000000000000000000000000000000000000000..1609b943ba576c2eab95c8e81ecd557ae8af65e3
Binary files /dev/null and b/PFEIFFER_DualGauge/char-minus.png differ
diff --git a/PFEIFFER_DualGauge/createImages b/PFEIFFER_DualGauge/createImages
new file mode 100755
index 0000000000000000000000000000000000000000..b402fb3694d3a8cf851e0ed697f29e61db487075
--- /dev/null
+++ b/PFEIFFER_DualGauge/createImages
@@ -0,0 +1,166 @@
+#!/bin/bash
+#
+# Rolf Niepraschk <Rolf.Niepraschk@ptb.de>, 2017-06-28
+#
+# Erzeugt aus einem leeren Messgeräte-Bild und neun 7-Segment-Bildern
+# neue Messgeräte-Bilder
+#
+# Parameter 1 = Anzahl der erzeugten Bilddateien
+#
+# Parameter 2 = Anzahl der Einzelzeichen
+
+MAIN="RUSKA7010" # device name
+IMAGE_DIR=./images
+MAX_DIGITS=9 # do not edit!
+MAX_FILES=10 # do not edit!
+NUMBER_OF_DIGITS=$MAX_DIGITS
+
+SHOW_EXP=true
+
+if [ -n "$1" ]; then
+ MAX_FILES=$1
+ if [ -n "$2" ]; then
+ NUMBER_OF_DIGITS=$2
+ fi
+fi
+
+rm -rf "$IMAGE_DIR"
+mkdir -p "$IMAGE_DIR"
+
+emptyCanvas='xc:transparent'
+
+charFile[0]='char-0.png'
+charFile[1]='char-1.png'
+charFile[2]='char-2.png'
+charFile[3]='char-3.png'
+charFile[4]='char-4.png'
+charFile[5]='char-5.png'
+charFile[6]='char-6.png'
+charFile[7]='char-7.png'
+charFile[8]='char-8.png'
+charFile[9]='char-9.png'
+charFile[10]='char-minus.png'
+charFile[11]=$emptyCanvas
+
+charFile[100]='echar-0.png'
+charFile[101]='echar-1.png'
+charFile[102]='echar-2.png'
+charFile[103]='echar-3.png'
+charFile[104]='echar-4.png'
+charFile[105]='echar-5.png'
+charFile[106]='echar-6.png'
+charFile[107]='echar-7.png'
+charFile[108]='echar-8.png'
+charFile[109]='echar-9.png'
+charFile[110]='echar-minus.png'
+charFile[111]='echar-plus.png'
+charFile[112]='echar-E.png'
+
+NUM2CHAR[0]='0'
+NUM2CHAR[1]='1'
+NUM2CHAR[2]='2'
+NUM2CHAR[3]='3'
+NUM2CHAR[4]='4'
+NUM2CHAR[5]='5'
+NUM2CHAR[6]='6'
+NUM2CHAR[7]='7'
+NUM2CHAR[8]='8'
+NUM2CHAR[9]='9'
+NUM2CHAR[10]='-'
+NUM2CHAR[11]=''
+
+NUM2CHAR[100]='0'
+NUM2CHAR[101]='1'
+NUM2CHAR[102]='2'
+NUM2CHAR[103]='3'
+NUM2CHAR[104]='4'
+NUM2CHAR[105]='5'
+NUM2CHAR[106]='6'
+NUM2CHAR[107]='7'
+NUM2CHAR[108]='8'
+NUM2CHAR[109]='9'
+NUM2CHAR[110]='-'
+NUM2CHAR[111]='+'
+NUM2CHAR[112]='E'
+
+charPos[1]='+175+214'
+charPos[2]='+203+214'
+charPos[3]='+240+214'
+charPos[4]='+277+214'
+charPos[5]='+314+214'
+charPos[6]='+351+214'
+charPos[7]='+288+182'
+charPos[8]='+305+182'
+charPos[9]='+329+182'
+
+dotPos[1]=${charPos[1]}
+dotPos[2]=${charPos[2]}
+dotPos[3]=${charPos[3]}
+dotPos[4]=${charPos[4]}
+dotPos[5]=${charPos[5]}
+dotPos[6]=${charPos[6]}
+
+for ((FNb=1; FNb<=MAX_FILES; FNb++)); do
+
+DPR=$((RANDOM % 5 + 2)) # random dot position (2..6)
+value=""
+for (( i=1; i<=$MAX_DIGITS; i++ )); do
+ if (( $i <= $NUMBER_OF_DIGITS )); then
+ if (( $i == 1 )); then # sign of matissa
+ R=$((RANDOM % 2 + 10)) # random number (10..11='-'..'')
+ eval CHAR$i=${charFile[R]}
+ value+="${NUM2CHAR[R]}"
+ elif (( $i <= 6 )); then # matissa
+ R=$((RANDOM % 10)) # random number (0..9='0'..'9')
+ eval CHAR$i=${charFile[R]}
+ value+="${NUM2CHAR[R]}"
+ if (( $DPR == $i )); then
+ eval DOT$i="char-dot.png"
+ value+="."
+ else
+ eval DOT$i=$emptyCanvas;
+ fi
+ else # exponent
+ R=$((RANDOM % 13 + 100)) # random number (100..112='0'..'E')
+ eval CHAR$i=${charFile[R]}
+ value+="${NUM2CHAR[R]}"
+ fi
+ else
+ eval CHAR$i=$emptyCanvas;
+ eval DOT$i=$emptyCanvas;
+ fi
+done # NUMBER_OF_DIGITS
+
+fname="$IMAGE_DIR/$MAIN@$value@.png"
+
+echo -e "$FNb:\t$fname"
+
+convert body.png \
+ $CHAR1 -geometry ${charPos[1]} -composite \
+ $CHAR2 -geometry ${charPos[2]} -composite \
+ $DOT2 -geometry ${dotPos[2]} -composite \
+ $CHAR3 -geometry ${charPos[3]} -composite \
+ $DOT3 -geometry ${dotPos[3]} -composite \
+ $CHAR4 -geometry ${charPos[4]} -composite \
+ $DOT4 -geometry ${dotPos[4]} -composite \
+ $CHAR5 -geometry ${charPos[5]} -composite \
+ $DOT5 -geometry ${dotPos[5]} -composite \
+ $CHAR6 -geometry ${charPos[6]} -composite \
+ $DOT6 -geometry ${dotPos[6]} -composite \
+ $CHAR7 -geometry ${charPos[7]} -composite \
+ $CHAR8 -geometry ${charPos[8]} -composite \
+ $CHAR9 -geometry ${charPos[9]} -composite \
+ $fname
+
+exiv2 -M"set Exif.Image.ImageDescription value=$value" $fname
+
+done # MAX_FILES
+
+exit
+
+-----------------------------------------------------------------------
+
+Auslesen der Exif-Daten:
+exiv2 -g Exif.Image.ImageDescription -P v ./images/ADIXEN@???@.png
+--> value=???
+
diff --git a/PFEIFFER_DualGauge/testImage b/PFEIFFER_DualGauge/testImage
new file mode 100755
index 0000000000000000000000000000000000000000..cd719ca617962d78474120c763a78618b1e27734
--- /dev/null
+++ b/PFEIFFER_DualGauge/testImage
@@ -0,0 +1,123 @@
+#!/bin/bash
+
+MAIN="PFEIFFER_SingleGauge" # device name
+IMAGE_DIR=./images
+
+emptyCanvas='xc:transparent'
+
+fname=yy.png
+
+charFile[0]='char-0.png'
+charFile[1]='char-1.png'
+charFile[2]='char-2.png'
+charFile[3]='char-3.png'
+charFile[4]='char-4.png'
+charFile[5]='char-5.png'
+charFile[6]='char-6.png'
+charFile[7]='char-7.png'
+charFile[8]='char-8.png'
+charFile[9]='char-9.png'
+charFile[10]='char-minus.png'
+charFile[11]=$emptyCanvas
+
+charFile[100]='echar-0.png'
+charFile[101]='echar-1.png'
+charFile[102]='echar-2.png'
+charFile[103]='echar-3.png'
+charFile[104]='echar-4.png'
+charFile[105]='echar-5.png'
+charFile[106]='echar-6.png'
+charFile[107]='echar-7.png'
+charFile[108]='echar-8.png'
+charFile[109]='echar-9.png'
+charFile[110]='echar-minus.png'
+charFile[111]='echar-plus.png'
+charFile[112]='echar-E.png'
+
+DNR[1]=10
+DNR[2]=1
+DNR[3]=3
+DNR[4]=0
+DNR[5]=5
+DNR[6]=8
+DNR[7]=112
+DNR[8]=111
+DNR[9]=103
+
+DOT1='char-dot.png'
+DOT2='char-dot.png'
+DOT3='char-dot.png'
+DOT4='char-dot.png'
+DOT5='char-dot.png'
+DOT6='char-dot.png'
+
+NUM2CHAR[0]='0'
+NUM2CHAR[1]='1'
+NUM2CHAR[2]='2'
+NUM2CHAR[3]='3'
+NUM2CHAR[4]='4'
+NUM2CHAR[5]='5'
+NUM2CHAR[6]='6'
+NUM2CHAR[7]='7'
+NUM2CHAR[8]='8'
+NUM2CHAR[9]='9'
+NUM2CHAR[10]='-'
+NUM2CHAR[11]='_'
+
+NUM2CHAR[100]='0'
+NUM2CHAR[101]='1'
+NUM2CHAR[102]='2'
+NUM2CHAR[103]='3'
+NUM2CHAR[104]='4'
+NUM2CHAR[105]='5'
+NUM2CHAR[106]='6'
+NUM2CHAR[107]='7'
+NUM2CHAR[108]='8'
+NUM2CHAR[109]='9'
+NUM2CHAR[110]='-'
+NUM2CHAR[111]='+'
+NUM2CHAR[112]='E'
+
+charPos[1]='+175+214'
+charPos[2]='+203+214'
+charPos[3]='+240+214'
+charPos[4]='+277+214'
+charPos[5]='+314+214'
+charPos[6]='+351+214'
+charPos[7]='+288+182'
+charPos[8]='+305+182'
+charPos[9]='+329+182'
+
+dotPos[1]=${charPos[1]}
+dotPos[2]=${charPos[2]}
+dotPos[3]=${charPos[3]}
+dotPos[4]=${charPos[4]}
+dotPos[5]=${charPos[5]}
+dotPos[6]=${charPos[6]}
+
+convert body.png \
+ ${charFile[ ${DNR[1]} ]} -geometry ${charPos[1]} -composite \
+ ${charFile[ ${DNR[2]} ]} -geometry ${charPos[2]} -composite \
+ $DOT2 -geometry ${dotPos[2]} -composite \
+ ${charFile[ ${DNR[3]} ]} -geometry ${charPos[3]} -composite \
+ $DOT3 -geometry ${dotPos[3]} -composite \
+ ${charFile[ ${DNR[4]} ]} -geometry ${charPos[4]} -composite \
+ $DOT4 -geometry ${dotPos[4]} -composite \
+ ${charFile[ ${DNR[5]} ]} -geometry ${charPos[5]} -composite \
+ $DOT5 -geometry ${dotPos[5]} -composite \
+ ${charFile[ ${DNR[6]} ]} -geometry ${charPos[6]} -composite \
+ $DOT6 -geometry ${dotPos[6]} -composite \
+ ${charFile[ ${DNR[7]} ]} -geometry ${charPos[7]} -composite \
+ ${charFile[ ${DNR[8]} ]} -geometry ${charPos[8]} -composite \
+ ${charFile[ ${DNR[9]} ]} -geometry ${charPos[9]} -composite \
+ $fname
+
+value="${NUM2CHAR[DNR[1]]}${NUM2CHAR[DNR[2]]}${NUM2CHAR[DNR[3]]}"
+value+="${NUM2CHAR[DNR[4]]}${NUM2CHAR[DNR[5]]}${NUM2CHAR[DNR[6]]}"
+value+="${NUM2CHAR[DNR[7]]}${NUM2CHAR[DNR[8]]}${NUM2CHAR[DNR[9]]}"
+
+fname="$IMAGE_DIR/$MAIN@$value@.png"
+
+echo -e "$fname"
+
+exit
diff --git a/PFEIFFER_SingleGauge/createImages b/PFEIFFER_SingleGauge/createImages
index 12d73dcaab3d5c092a6caa2b66093877fbc8fabc..b402fb3694d3a8cf851e0ed697f29e61db487075 100755
--- a/PFEIFFER_SingleGauge/createImages
+++ b/PFEIFFER_SingleGauge/createImages
@@ -107,7 +107,7 @@ value=""
for (( i=1; i<=$MAX_DIGITS; i++ )); do
if (( $i <= $NUMBER_OF_DIGITS )); then
if (( $i == 1 )); then # sign of matissa
- R=$((RANDOM % 2 + 10)) # random number (10..11='-'..' ')
+ R=$((RANDOM % 2 + 10)) # random number (10..11='-'..'')
eval CHAR$i=${charFile[R]}
value+="${NUM2CHAR[R]}"
elif (( $i <= 6 )); then # matissa