WIKA IS-21-F User Manual
Page 9
2132926.07 GB/D/F/E 03/2010
16 WIKA Operating instructions/Betriebsanleitung/Mode d'emploi/Instrucciones de servicio IS-2X
2132926.07 GB/D/F/E 03/2010
17
WIKA Operating instructions/Betriebsanleitung/Mode d'emploi/Instrucciones de servicio IS-2X
Specifications
Model IS-20-S, IS-21-S, IS-20-F, IS-21-F, IS-20-H
Model IS-2X-F, IS-20-H with
field case
R
A
≤ (U+ – 11 V) / 0.02 A
Test circuit signal and maximum
load
RA
≤ 15 (only model IS-2X-F, IS-20-H with field case)
Adjustability zero/span
%
± 5 using potentiometers inside the instrument
Response time (10 ... 90 %)
ms
≤
1
4)
4)
Response time IS-20-S/-F:
≤
10 ms at medium temp. below < -30 °C for
pressure ranges up to 25 bar.
Response time IS-21:
≤ 10 ms at medium temp. below < -30 °C (-22 °F).
Power Pi
W
1 (750 mW with approval for Category 1D)
Insulation voltage
Insulation complies with EN 60079-11
Accuracy
% of span
≤
0.5
6)
{0.25}
5) 6)
5)
Accuracy { } for pressure ranges
≥ 0.25 bar, not for IS-20-H
6)
Including non-linearity, hysteresis, zero point and full scale error (corresponds to
error of measurement per IEC 61298-2).
Adjusted in vertical mounting position with lower pressure connection.
Non-linearity
% of span
≤
0.2
(BFSL) according to IEC 61298-2
Non-repeatability
% of span
≤
0.1
1-year stability
% of span
≤
0.2
(at reference conditions)
Permissible temperature of
Medium
8)
*
)
-20 ... +80 °C
7)
-4 ... +176 °F
7)
(Extended temperature ranges see chapter 7 „Relation of medium
temperature to ambience temperature“)
7)
Ambience
8)
-20 ... +80 °C
7)
-4 ... +176 °F
7)
Storage
-30 ... +105 °C
-22 ... +221 °F
7)
Other temperature ranges are possible, depending on the electrical connection;
see EC-type examination certificate, e.g. -30 ... +105 °C / -22 ... +221 °F and
table page 83 and 84
Rated temperature range
0 ... +80 °C
32 ... +176 °F
Temperature coefficients within
rated temperature range
Specifications
Model IS-20-S, IS-21-S, IS-20-F, IS-21-F, IS-20-H
Mean TC of zero
% of span
≤
0.2 / 10 K (< 0.4 for pressure range
≤
250 mbar)
Mean TC of range
% of span
≤
0.2 / 10 K
Installation position
mbar
< 2 at +/- 30° tilted position with model IS-21-S and IS-21-F
CE- conformitiy
Pressure equipment directive
97/23/EC
EMC directive
2004/108/EC, EN 61 326 Emission (Group 1, Class B) and Immunity
(industrial locations)
Directive ATEX of equipment
intended for use in potentially
explosive atmospheres
94/9/EC
Ex-protection
ATEX
Category
8)
1G, 1/2G, 2G, 1D
9)
, 1/2D
9)
, 2D
9)
, M1, M2
Ignition protection type
Ex ia I/II C T4, Ex ia I/II C T5, Ex ia I/II C T6
8)
Read the operating conditions and safety-relevant data in the EC-type
examination certificate in any case (BVS 04 ATEX E 068 X)
9)
Not for IS-20-H
Ex-protection
FM, CSA
Class I, II and III
Ignition protection type
Instrinsic safe Class I, II, III Division 1,
Group A, B, C, D, E, F, G and Class I, Zone 0 AEx ia II C
Approval German Lloyd GL
Environmental Category D, F, EMC 1
RF-immunity
V/m
10
Burst
kV
2
Shock resistance » Model IS-2X-S g
1000
10)
according to IEC 60068-2-27 (mechanical shock)
» Model IS-2X-F g
600
10)
according to IEC 60068-2-27 (mechanical shock)
10)
not with ship approval
Vibration resistance » IS-2X-S g
20
11)
according to IEC 60068-2-6 (vibration under resonance)
» IS-2X-F g
10
11)
according to IEC 60068-2-6 (vibration under resonance)
11)
with ship approval: Category H, up to 2KHz
Wiring protection
Reverse polarity protection
U+ towards U-
7. Starting, operation
GB
7. Starting, operation
GB