Instruction Manual MM850432 ed. 05c
16
2.4.2 MicroCal
P20
NOTE:
FOR THE
IS
MODEL SEE CHAPTER
15
IN/OUT Voltage
RANGE
RES.
ACCURACY
Plus model
-20 to 200 mV
1
µ
V
±(0.01% rdg + 3
µ
V)
-0.2 to 2 V
10
µ
V
±(0.01% rdg + 10
µ
V)
-2 to 20 V
100
µ
V
±(0.01% rdg + 0.1 mV)
Input impedance:
>10 M
Ω
for ranges up to 2000 mV f.s.
>500 k
Ω
for ranges up to 20 V f.s.
Output impedance (emf output): less than 0.5
Ω
with a maximum current of 0.5 mA
Output noise (at 300 Hz):
<2 µVpp for ranges up to 200 mV f.s.,
<10 µVpp for ranges up to 2000 mV f.s.
<80 µVpp for ranges up to 20 V f.s.
IN/OUT Current
Input mode
RANGE
RES.
ACCURACY
Plus model
-5 to 50 mA
0.1
µ
A
±(0.01% rdg + 0.4
µ
A)
Input impedance: <20
Ω
at 1 mA
Output mode
RANGE
RES.
ACCURACY
Plus model
0 to 50 mA
0.1
µ
A
±(0.01% rdg + 0.4
µ
A)
Notes: limited to 21 mA max on passive current loop (the Microcal supply
the Tag).
IS model channel 2 source Max 11 V.
IN Resistance and RTDs
Resistance input mode
RANGE
RES.
ACCURACY
Plus model
0 to 500
Ω
1
m
Ω
±(0.01% rdg + 12
m
Ω
)
0 to 5000
Ω
10
m
Ω
±(0.01% rdg + 120 m
Ω
)
RTDs IN mode
RTD TYPE
RANGE
RES.
ACCURACY
Plus model
(% rdg)
Pt100
IEC
-200 / 850°C
-330 / 1570°F
0.01 °C
0.01 °F
±(0.01% +0.05°C)
±(0.01% +0.09°F)
Pt100
OIML
-200 / 850°C
-330 / 1570°F
0.01 °C
0.01 °F
±(0.01% +0.05°C)
±(0.01% +0.09°F)
Pt100
α
=.3926
-200 / 850°C
-330 / 1570°F
0.01 °C
0.01 °F
±(0.01% +0.05°C)
±(0.01% +0.09°F)
Pt100
α
=.3902
-200 / 650°C
-330 / 1210°F
0.01 °C
0.01 °F
±(0.01% +0.05°C)
±(0.01% +0.09°F)
Pt100
JIS
-200 / 600°C
-330 / 1120°F
0.01 °C
0.01 °F
±(0.01% +0.05°C)
±(0.01% +0.09°F)
Pt100
SAMA
-200 / 600°C
-330 / 1120°F
0.01 °C
0.01 °F
±(0.01% +0.05°C)
±(0.01% +0.09°F)
Pt200
-200 / 850°C
-330 / 1570°F
0.1 °C
0.1 °F
±(0.01% +0.15°C)
±(0.01% +0.27°F)
Pt500
-200 / 850°C
-330 / 1570°F
0.1 °C
0.1 °F
±(0.01% +0.1°C)
±(0.01% +0.2°F)
Pt1000
IEC
-200 / 850°C
-330 / 1570°F
0.1 °C
0.1 °F
±(0.01% +0.1°C)
±(0.01% +0.2°F)
Pt1000
OIML
-200 / 850°C
-330 / 1570°F
0.1 °C
0.1 °F
±(0.01% +0.1°C)
±(0.01% +0.2°F)
Cu10
-70 / 150°C
-100 / 310°F
0.1 °C
0.1 °F
±(0.01% +0.4°C)
±(0.01% +0.7°F)
Cu100
-180 / 150°C
-300 / 310°F
0.1 °C
0.1 °F
±(0.01% +0.05°C)
±(0.01% +0.09°F)
Ni100
-60 / 180°C
-80 / 360°F
0.1 °C
0.1 °F
±(0.01% +0.05°C)
±(0.01% +0.09°F)
Ni120
-0 / 150°C
32 / 310°F
0.1 °C
0.1 °F
±(0.01% +0.05°C)
±(0.01% +0.09°F)
Connections: 2, 3 and 4 wires
Source resistance effects: ±1 µV error for 1000
Ω
source resistance
Rtd and
Ω
simulation excitation current: from 0.100 to 2 mA without incremental error
Rtd and
Ω
measurement excitation current: 0.2 mA
Rtd cable compensation: up to 100 m
Ω
(for each wire)
Rtd cable compensation error (Pt100): ±0.005°C/
Ω
of total wire
Maximum load resistance: 1000
Ω
at 20 mA