s
Multipoint potentiometric recorder for 6 measuring points
s
1 to 6 measuring ranges for standard signals and direct
sensor connection
s
Last dot visible form front
s
Roll or fanfold chart
s
Format 144 mm x 144 mm
s
Installed depth 305 mm
s
Instrinsic safety for signal circuit protection
s
Mounting within or outside the hazardous
area
Multipoint Recorder Arucomp EK-Ex. A
01.97
Data Sheet
40-1.10 EN
Measuring section
Error limit
Accuracy class 0.5 according to DIN 43782/IEC 484 for
basic unit 0...5 mV Meabweichung
Measuring ranges
Via range box type Arucomp 4900/EK-Ex at rear of unit
Incremental error
without zero shift
0.2 % of span
with zero shift
0.3 / of span
zero shift
1 mA
including temperature effect
0.2 % / 10 K
R
e
= 20 k
/V at leat 20 k
Thermometer current I
th
1 mA
Lead balancing for mV in range 0...40
unnecessary
For
in 3-wire circuit necessary
For
in two-wire circuit of 10
; 0.1 % external
Reference junction
Optionally external or built into range box.
Caution!
Note temperature difference between terminals and range
box
Measuring range limit data
Current measurement
I
e max.
50 mA; I
e min.
0.1 mA
Span
min. 0.1 mA; max. 100 mA
R
e
7
I
(
mA
)
[
]
Voltage measurement
25 V DC...+25 V DC
Span
min. 5 mV DC; max. 25 V DC
R
e
20 k
/V; jedoch min. 20 k
Zero shift with constant current source
600 % of selected span (max. 6/7 of upper range value)
Resistance measurement
Scale span
min. 8
; max. 500
Circuit designation
Direct voltage and thermocouples with external reference
junction
without zero shift circuit
measuring circuit W 21
with zero elevation
W 22 K
with zero suppression
W 23 K
Resistance measurement
Resistance thermometer
in 2-wire circuit
W 24 K
in 3-wire circuit
W 25 K
Resistance teletransmitter in 3-wire circuit
W 26 K
Current measurement
without zero shift
W 28
with zero elevation
W 27 K
with zero suppression
W 28 K
Continuous overload capacity of signal inputs
25 V
electrical motor current switched off at 0.5 % and 100.5 %
Recording section
Scale
interchangeable for all measuring ranges with either 1...6
graduated scales or single scale strips with one graduated
scale each
Scale type
No. of
graduated scales
1 2 3 4
,5
5
,5
6
,5
single scale
Digit size
(mm)
6 5 3 2.5 2
,5
2
,5
3
Size of main
graduations
8 6 4 3
,5
2.5 1.8 3
Colour sequence
Violet, red, black, green, blue, brown (DIN 43 838)
Last point visible form front
ink supply for 5
10
5
dots per colour
Drive
Common synchronous motor for chart drive, measuring
point selector switch and print head
Dotting rate
5/10/20 s selectable
Chart drive
10/20/60/120 mm/h selectable
Recording width
100 mm (chart width 120 mm) to DIN 16 230
Chart length
Roll chart 32 m (approx 66 days at 20 mm/h)
Fanfold chart 16 m (approx 33 days at 20 mm/h)
Chart feed-in
Automatic (roll chart)
Power supply
24 V or 115 V or 230 V; 50 Hz or 60 Hz
Tolerated temperature deviation +10 %, 15 %
Typical power consumption approx. 8 VA
General and safety data
Environmental capabilities
Ambient temperature
0...25...50
C
Transport and storage temperature
25...+70
C
Climatic category
KWE to DIN 40 040
Technical data
Functional diagram
K
C
M
M
D
K+
-
+
-
+
-
62
61
63
Pos.6
K
K
C
M
M
D
+
-
+
-
+
-
12
11
13
Pos.1
K
K
C
M
M
D
+
-
+
-
+
-
Pos.7
901
801
S2
S1
S4
S3
0...5mV
M
MS
I
K
1
2
N L1 PE
10, 20,
60, 120 mm/h
K+
K
-
C+
M
-
M+
D
-
K+
K
-
C+
M
-
M+
D
-
a
b
Z-14901
Multipoint Recorder Arucomp EK-Ex. A
Data Sheet
40-1.10 EN
Page 2 of 6
01.97
Relative humidity
75 % annual average; avoid condensation; max. relative
humidity
80 % in operation; pay attention to influence of
humidity on chart paper to DIN 16234
Electrical safety tested to DIN VDE 0411 Part 1 / IEC 348
Class of protection I
Measuring circuits; functional extra-low voltage with safe
isolation to VDE 0110 Part 410
Test voltage
1.5 kV power supply to case
4
,4
kV measuring circuit to power supply
0.5 kV measuring circuits to case
0.5 kV measuring circuits to measuring circuits
Overvoltage category III
Degree of contamination 3
to DIN VDE 0110 Part 101
Electromagnetic compatibility
The safety requirements stated in the EMC directive 89/336/
EWG, May 1989 shall be fulfilled with respect to immunity to
electromagnetic interference to drafted EN 50082.2
Radio interference suppression
Suppression class N to VDE 0875 or EN 55014
Connection, case and mounting
Electrical connections
Type of protection IP 20
Tab connector A 6.3
0.8 or A 2.8
0.8 or
MTP 2.4
0.8 or as accessory
Screw terminal for 2
1.5 mm
2
wire
Power supply
Type of protection IP 54
Screw terminals for 1.5 mm
2
wire
Case
Sheet metal for panel or mosaic panel field mounting
Colour RAL 7032, Protection IP 54,
Door made of polycarbonate
Operating orientation
vertical
45
Monting distance
horizontal or vertical 0 mm,
case door must be open also at 100
Weight
approx. 5.5 kg
Labelling facilities
On the measuring point designation plate in the door,
31 characters per measuring point
Parts supplied with the first unit
1 Operating manual
2 Fastening elements to DIN 43834
2 Roll or fanfold charts
1 Ink holder (print star)
Explosion protection
Manufacturer's code
49/40-23 Ex
Certificate of conformity
PTB No. Ex-92.C.2082
Type of protection
EEx m (ib) e d IIB T4
Mounting
within the hazardous zone 1
Measuring circuits
(Terminals 11, 12, 13; 21, 22, 23; 31, 32, 33; 41,
42, 43; 51, 52, 53; 61, 62, 63; 801, 901)
in type of protection intrinsically safe EEx ib IIB or EEx ib IIC
1. Measuring circuits for current, voltage and resistance
with range box Arucomp 4900/EK-Ex
-Ex W21, -Ex W21KV, -Ex W22KV, -Ex W22K, -Ex W23 KV,
-Ex W23K, -Ex W24K, -Ex W24K2, -Ex W25K, -Ex W25K2,
-Ex W26K, -Ex W27K, -Ex W28, -Ex W28K
Max. values per measuring circuit:
U = 10 V
I
K
= 65 mA
P = 400 mW
The effective internal inductance is negligibly low.
The effective internal capacitanc is 12 nF.
Max. permitted values of the connected intrinsically safe
circuits:
1.1. Connection to passive intrinsically safe circuits
Group IIC
Group IIB
Max. external inductance La 5 mH
20 mH
Max. external inductance Ca. 4
F
30
F
1.2 Connection to certified active intrinsically safe circuits
Max values per circuit
U = 25 V
P = 600 mW
The maximum internal inductanceLa and capacitance Ca
depending on the respective max. values of the connected
intrinsically safe circuit can be taken from tables 1,2 and 3 of
the certificate of conformity.
2. Measuring circuits for current
with range box Arucomp 4900/EK-Ex
-Ex W28, -Ex W27K, -Ex W28K with input resistance R
e
7
Max. values per circuit
U = 0.5 V
I
K
= 65 mA
P = 8 mW
The effective internal inductance is negligibly low.
The effective internal capacitanc is 12 nF.
Max. permitted values of the connected intrinsically safe
circuits:
Max values per circuit
U = 20 V
I = 170 mA
The maximum internal inductance La and capacitance Ca
depending on the respective max. values of the connected
intrinsically safe circuit can be taken from tables 4 and 5 of
the certificate of conformity.
The six measuring circuits are electrically isolated. The
respective measuring circuit in operation and the circuit for
the external reference junction are electrically coupled.
Note:
The values mentioned above do not apply to a plug
connection. Those values can be taken from the annex
to the certificate of conformity.
}
Technical data
Multipoint Recorder Arucomp EK-Ex. A
Data Sheet
40-1.10 EN
01.97
Page 3 of 6
Ordering information
Consumables
Multipoint recorder Arucomp EK-Ex. A
Catalogue No.
-
-
Basic unit
1)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 05
DM 6.360,
Application circuit SW (one measuring range) . . . . . . . . . . . . . . . . . . . . . . . . . . 06
DM 6.520,
Application circuit MW (one to six measuring ranges) . . . . . . . . . . . . . . . . . . . . . . 07
DM 6.995,
Power supply
24 V 50 Hz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
DM
115 V 50 Hz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
DM
230 V 50 Hz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
DM
24 V 60 Hz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
DM
115 V 60 Hz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
DM
230 V 60 Hz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
DM
Recording
On roll chart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
DM
80,
On fanfold chart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
DM
Catalogue No.
-
-
For ordering the Catalogue No. suffices.
If necessary suffix supplementary Nos. to the catalogue numbers.
1)
Measuring basis 0...5 mV, without range box and scales
4 1 0 1 1
0
0
0
1
0
0
1
0
0
1
4 1 0 1 1
0 0 1
0
Catalogue No.
DM
Ink holder
41081-4-0859569
51,50*
Chart paper
Roll chart (supplied in packs of 10)
with hourly time imprint for 20 mm/h
40920-0-3000505
7,55
without hour imprint, with baselines
40920-0-3000150
7,55
Fanfold chart (supplied in packs of 20)
with hourly time imprint for 20 mm/h
40926-0-3000502
7,55
without hour imprint, with baselines
40926-0-3000003
7,55
Other charts paper see Data Sheet 49-9.10 EN.
Multipoint Recorder Arucomp EK-Ex. A
Data Sheet
40-1.10 EN
Page 4 of 6
01.97
Additional ordering information
At least one specification is necess. for every measuring range and group
Suppl. No.
DM
Specification for measuring range 1
1
Specification for measuring range 2
2
Specification for measuring range 3
3
Specification for measuring range 4
4
Specification for measuring range 5
5
Specification for measuring range 6
6
The
following
specification
applies
to
measuring
point(s)
e.g.
2
and
5)
1)
Measuring circuit designation depending on the measuring tasks
Measuring circuit W2. or W2.K
5
Measuring circuit W2.KV (built-in reference junction correction)
6
1)
51,
Measuring range
1)
Code according to Data Sheet 40-1.00 EN
1 ( ... )
As specified
2
95,
1)
Code for external reference junction temperature
With test resistor in dismantled form for
C Pt 100 IEC
1)
23,50
Scale specifications
Scale on wide scale plate
506
(for large digits with 1 or 2 graduations or max. 6 graduations)
1st graduation
1
2nd graduation
2
3rd graduation
3
4th graduation
4
5th graduation (only applies in connection with Suppl. No. 506)
5
6th graduation (only applies in connection with Suppl. No. 506)
6
Without graduation, scale start and end marked (for 1st graduation only)
1
-34,50
Graduation 0...100 (for 1st graduation only)
2
Graduation as specified (enter only clear text)
5
37,
Graduation according to Data Sheet 40-1.00 EN (enter code No.)
3 (. . .)
37,
With ruler for ... graduation
59,
Labelling of the measuring point designation plate
Inscription for measuring point 1
580
12,30
Inscription for measuring point 2
582
12,30
Inscription for measuring point 3
584
12,30
Inscription for measuring point 4
586
12,30
Inscription for measuring point 5
588
12,30
Inscription for measuring point 6
590
12,30
With dismantled dust-proof bracket for top of door
621
26,50
with ... packs of 10 blade sleeves
603
22,50
with ... packs of 10 clip-on screw terminals
604 ( ... pcs.)
22,50
with four dismantled mounting brackets for rack mounting
605
11,60
Operating Manual (state how many)
2)
German (no specification required for 1 copy)
Z2D ( ... cps.)
16,
English (always state Suppl. No.)
Z2E ( ... cps.)
16,
French (always state Suppl. No.)
Z2F ( ... cps.)
16,
At this symbol add clear text to the Suppl. No.
( . . . ) At this symbol add a code No. to this Suppl. No.
1)
At least one Suppl. No. per scale and group
2)
1 copy at no extra charge
5
5
8
4
0
4
4
4
4
4
8
Multipoint Recorder Arucomp EK-Ex. A
Data Sheet
40-1.10 EN
01.97
Page 5 of 6
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