Specifications
Power supply U
U
in DC V
B
B
Signal output and
maximum load R
R
in Ohm
A
A
Model IS-2
-S
Model IS-2
-F, IS-20-H with
field case
Test circuit signal and maximum load
Adjustability zero/span
%
Response time (10 ... 90 %)
ms
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).
Dielectric strength
Accuracy
% of span
% of span
5)
Accuracy
6
)
Including non-linearity, hysteresis, non-repeatability, zero signal 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
1-year stability
% of span
Permissible temperature of
7) 9)
)
Medium
*
7) 9)
Ambience
7)
Storage
7)
Also complies with EN 50178, Tab. 7, Operation (C) 4K4H, Storage (D) 1K4,
Transport (E) 2K3
Model IS-20-S, IS-21-S, IS-20-F, IS-21-F, IS-20-H
10 < U
≤ 30
B
(11 < U
< 30 with model IS-2 -F and IS-20-H with field case)
B
4 ... 20 mA, 2-wire
≤ (U
R
–10 V) / 0.02 A–(length of flying leads in m x0,14Ohm)
A
B
≤ (U
R
– 11 V) / 0.02 A
A
B
R
< 15 (only model IS-2 -F, IS-20-H with field case)
A
± 10 using potentiometers inside the instrument
4)
< 1
Insulation complies with EN 50020, 6.4, 12
≤ 0.25 {0.125}
6)
(BFSL)
≤ 0.5 {0.25}
5) 6)
{ }
for pressure ranges > 0.25 bar, not for IS-20-H
≤ 0.2
(BFSL) according to IEC 61298-2
≤ 0.2
(at reference conditions)
8)
-20 ... +80 °C
-4 ... +176 °F
(Extended temperature ranges see chapter 7 „Relation of
medium temperature to ambient temperature")
8)
-20 ... +80 °C
-4 ... +176 °F
-30 ... +105 °C
-22 ... +221 °F
Specifications
Compensated temp range
Temperature coefficients within
compensated temp range
Mean TC of zero
Mean TC of range
d
- protection
Ignition protection type
Ex
– protection
Ignition protection type
a - conformitiy
FM, CSA
8)
8)
HF-immunity
BURST
Shock resistance
Model IS-20-S, IS-21-S, IS-20-F, IS-21-F, IS-20-H
8)
Other temperature ranges are possible, depending on the electrical connection; see
EC-type examination certificate, e.g. -30...+105 °C / -22 ... +221 °F
0 ... +80 °C
≤ 0.2 / 10 K (< 0,4 for pressure range < 250 mbar)
% of span
≤ 0.2 / 10 K
% of span
9)
ATEX
Category
1G, 1/2G, 2G, 1D
EEx ia I/II C T4, EEx ia I/II C T5, EEx ia I/II C T6
9)
Read the operating conditions and safety-relevant data in the
EC-type examination certificate in any case (BVS 04 ATEX E 068 X)
10)
Not for IS-20-H
FM, CSA
Class I, II and III
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
89/336/EEC interference emission and immunity see
EN 61 326, interference emission limit class A and B
ATEX EN 50 014 (general part),
EN 50 020 (instrinsic safety), {EN 50 284 (Zone 0)},
{EN 50 281-1 (dust -Ex)}, {EN 50 303 (mining industry)}
FM standards according to FMRC 3600, 3610, 3611
(including supplement #1), ISA-S12.0.01, IEC 60 529
(including amendment #1), CSA standard C22.2
No. 0-M1991 / 142-M1987 / 157-M1992, UL 50, Eleventh
Edition / UL 508, Seventeenth Edition / UL 913, Sixth Edition
V/m
10
KV
2
Model IS-2 -S
g
1000 according to IEC 60068-2-27 (mechanical shock)
Model IS-2 -F
g
600 according to IEC 60068-2-27
32 ... +176 °F
10)
10)
10)
, 1/2D
, 2D
, M1, M2
(mechanical shock)