20
GOSSEN METRAWATT GMBH
11
Characteristic Values
1)
Frequencies of over 29 Hz can only be selected at limited intervals.
2)
Shut off when I
max
> 30 mA
Note!
☞
Observe maximum allowable voltage for connection
from external sources to the calibrator output in the
event of a current sink: U
ext
0
…
27 V.
In the event of operating errors, such as the short-
term application of a high interference voltage, the
calibrator is protected by a replaceable fuse F3, this
means that the F3 fuse may be tripped in the event of
an overload > I
max
/U
max
.
Simulator for Temperature Sensors (Resolution: 0.1 K)
* Without internal reference junction
** Relative to fixed reference temperature in
°
C
and thermovoltage of the
thermocouple, for additional error see also table on page 21.
Reference junction, internal: 2 K intrinsic error
Reference junction, external: entry of –30
…
40
°
C
Key
s. = setting
d = digit
Real-Time Clock
Accuracy
±
1 minute per month
Temperature Influence
50 ppm/K
Reference Conditions
Ambient
Tempe23
°
C
±
2 K
Relative Humidity
40 ... 60%
Battery Voltage
4.5 V
±
0.1 V
Calibr
a
tion
Fu
n
ct
io
n
Simulator
Range
Resolution
30000
Digits
(4¾ places)
With Load of
Intrinsic Error
Over-
load
Direct Voltage Simulator
±
(% of s. + mV)
I
max
V
0
…±
300 mV
0.01 mV
700
Ω
0.05 + 0.02
18 mA
2)
0
…
3
V
0.1 mV
1000
Ω
0.05 + 0.2
0
…
10
V
1 mV
1000
Ω
0.05 + 2
0
…
15
V
1 mV
1000
Ω
0.05 + 2
Pulse / Frequency Generator
Keying ratio (mark-to-space ratio):
50%, amplitude: 10 mV
…
15 V
±
(% of s. + Hz)
I
max
Hz
1 Hz
…
1 kHz 0,1
…
8 Hz
1)
1000
Ω
0,05 + 0,2
18 mA
Current Source
Max. Load
Impedance
±
(% of s. +
µ
A)
mA
4
…
20 mA
1
µ
A
20
V
0.05 + 2
0
…
20 mA
0
…
24 mA
Current Sink
±
(% of s. +
µ
A)
U
max
mA
4
…
20 mA
1
µ
A
V
in
= 4 ... 27 V
0.05 + 2
27 V
0
…
20 mA
0
…
24 mA
Resistance-Type Sensor
Sensor Current
[mA]
±
(% of s. +
Ω
)
I
max
Ω
5
…
2000
Ω
0.1
Ω
0.05...0.1..4...5 0.05 + 0.2
5 mA
Sensor Type
Simulator
Range
in
°
C
Simulator
Range
in
°
F
Intrinsic
Error
Over-
load
°
C /
°
F
Resistance Thermometer per IEC 751
±
(% of s.+K)
I
max
Pt100
–200
…
+ 850 –328
…
+1562
0.1 + 0.5
5 mA
Pt1000
–200
…
+ 300 –328
…
+572
0.1 + 0.2
Resistance Thermometer per DIN 43760
±
(% of s.+K)
I
max
Ni100
–60
…
+ 180
–76
…
+356
0.1 + 0.5
5 mA
Ni1000
–60
…
+ 180
–76
…
+356
0.1 + 0.2
RTD Sensor Current: 0.05 ... 0,1 ... 4 ... 5 mA
*
Thermocouples per DIN and IEC 584-1
±
(% of s.+K)
**
I
max
K (NiCr/Ni)
–250
…
+1372 –418
…
+2501
0.1 + 0.5
18 mA
J (Fe/CuNi)
–210
…
+1200 –346
…
+2192
T (Cu/CuNi)
–270
…
+ 400 –454
…
+ 752
B (Pt30Rh/Pt6Rh) +500
...
+1820 +932
…
+3308
E (NiCr/CuNi)
–270
…
+1000 –454
…
+1832
R (Pt13Rh/Pt)
–50
…
+ 1768
–58
…
+3214
N (CU/Cu10)
–270
…
+1300 –454
…
+2372
S (Pt10Rh/Pt)
–50
…
+ 1768
–58
…
+3214
J (Fe/CuNi)
–200
…
+ 900 –328
…
+1652
U (Cu/CuNi)
–200
…
+ 600 –328
…
+1112