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Wahl C150
Calibrator
C150 Calibration
Functions and performances: @23°C +5°C
Accuracy is given in % of reading (C150 display) + fixed value
DC Current: Emission
DC Current: Measurement
Range
Measuring Range Resolution Accuracy (1 year)
Remarks
Range
Resolution
Accuracy (1 year)
0mA/24mA
0.1µA
0.007% + 0.8µA
Rin < 30Ω
24mA
1µA
0.007% R + 0.8µA
4-20mA
3mA/24mA
0.1µA
0.007% + 0.8µA
Rin < 30Ω
4-20mA
1µA
0.007% R + 0.8µA
100mA
0mA/100mA
0.1µA
0.009% + 2µA
Rin < 30Ω
0-20mA
1µA
0.007% R + 0.8µA
0-20mA
C150 can measure up to 100mA with/without loop supply (24V).
Loop supply = 24 V ±100%
Temperature coefficient: < 10% of accuracy /°C. Display unit: °C, and °F
HART compatibility: input impedance Rin=280Ω
Display with linear or quadratic scaling
Pre-programmed steps
0%
25%
50%
75%
100%
4-20mA linear
4
8
12
16
20
0-20mA linear
0
5
10
15
20
4-20mA quad
4
5
8
13
20
0-20mA quad
0
1.25
5
11, 25
20
4-20mA valves
Measuring Range Resolution Accuracy (1 year)
+100mV
10mV + 100µV
3.8 - 4 - 4.2
12
19, 20, 21
DC Voltage: Emission
DC Voltage: Measurement
Range
Emission output with or without 24V loop supply
1µV
0.005% + 2µV
Range
Remarks
Meas Range
Resolution
Accuracy (1 year)
Min Load
1µV
0.005% R + 2µV
1KΩ
-15mV + 1V
10µV
0.005% R + 8µV
2KΩ
+100mV -5mV + 100mV
Rin > 10MΩ
+1V
-100mV + 1V
10µV
0.005% + 8µV
Rin > 10MΩ
+1V
+10V
-1V + 10V
100µV
0.007% + 80µV
Rin = 1MΩ
+10V
-100mV + 10V
100µV
0.007% R + 80µV
4KΩ
+50V
-5V + 50V
1mV
0.007% + 0.5mV
Rin = 1MΩ
+50V
-100mV + 50V
1mV
0.007% R + 0.5mV
4KΩ
Rin = Input resistance
Frequency and Counting: Measurement
Frequency and Pulses: Emission
Range
Resolution
Accuracy (1 year)
Range
Resolution
Accuracy (1 year)
10kHz
< 0.01 Hz
0.01% Rdg
1000 Hz
< 0.01 Hz
0.01% R
100kHz
0.1 Hz
0.01%
100 kHz
1 Hz
0.01% R
Threshold triggering: 1V
Unit scale: Pulse/min or Hz
Measurement on frequency signals and on dry contacts
Measurement for counting will be performed on defined time or infinite time.
Unit scale: Pulse/min or Hz
Pulse emission
Dry contacts simulation
Max amplitude: 20V (Selectable by user)
Resistance: Measurement
Resistance: Emission
Range Input Range Resolution
Accuracy (1 year)
Remarks
Accuracy (1 year)
Remarks
400Ω
0 to 400Ω
1mΩ
0.006% R + 8mΩ
4 wires
400Ω
1 -4000Ω
10mΩ
0.006%R +8mΩ @1mA
3600Ω
0 to 3600Ω
10mΩ
0.006% R + 50mΩ
4 wires
4000Ω
1-3600Ω
100mΩ
0.006%R +50mΩ @0.1mA
I ext of 0.1
to 1mA
50KΩ
0 to 50KΩ
100mΩ
0.008% R + 1Ω
4 wires
50KΩ
1-50KΩ
1Ω
0.008%R +1Ω @1mA
Range Output Range Resolution
Resistance measurement with 2, 3 or 4 wires resistance measurement: automatic
recognition of number of connected wires displayed on the screen.
Pressure: measurement with external digital sensor
Range
0-1 bar
0-3 bar
0-10 bar
0-30 bar
0-100 bar 0-300 bar 0-1000 bar
Absolute
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Relative
Yes
Yes
Yes
Yes
N/A
N/A
N/A
Resolution: 0.02% of Full Scale
Accuracy: 0.05% of Full Scale for 10°C and 40°C,
-0.1% of Full Scale -10°C to +10°C and 40°C to 80°C.
I ext of 5µA
to 50µA
Emission with pulsed available: refer to the manual for specifications
Temperature coefficient: < 5ppm /°C. 0°C to 18°C and 28°C to 50°C
Emission resistance: establishing time < 1ms: for compatibility with
smart transmitters
WARRANTY
Calibration Services Available
(800) 421-2853 • FAX (828) 658-0728 • www.palmerwahl.com
07/10
Rev A
3
Continued Innovation Since 1836
ISO 9001:2008 CERTIFIED