MCAL20 – Multifunction Process Calibrator

MCAL20 is a versatile multifunction process calibrator that allows you to easily and quickly test and calibrate almost any process parameters for devices such as thermocouples, RTDs, thermometers, transmitters, indicators, controllers, receivers, mA, V, mV, ohms, frequency measuring instruments etc.,

Ruggedly built in a handheld size, you can easily bring the MCAL20 to anywhere it is needed.

Key Features:

  • Allows you to test and calibrate almost any available process parameter
  • Powerful, accurate and at the same time easy to operate
  • Rugged built provides protection in harsh environment
  • Handheld size makes it easy for you to carry it anywhere you go
  • Easy to read split screen display showing Measure/Source simultaneously
  • Support measurement of thermocouple
  • Provide automatic reference junction
  • Automatic and manual old end temperature compensation for TC
  • Manual Stepping and automatic stepping and ramping
Category:

Description

Product Specifications for Measurement Mode:

 

 

 

 

DC Voltage

 Range Maximum Measurement Range Resolution Accuracy (% of Reading + Counts)
28V (upper display) -33V~33V 0.001V 0.025+2
200mV (upper display) -80mV~80mV 0.001mV 0.025+20
-200mV~200mV 0.01mV 0.025+2
50V (lower display) -1V~60V 0.001V 0.02+2
100mV (lower display) -15mV~80mV 0.001mV 0.02+20
80mV~125mV 0.01mV 0.02+2
-10°C~18°C, +28°C~55°C temperature coefficient, ±0.005%FS/°C
Input Resistance: >1MΩ
 

 

 

OHMS Upper Display

 Range Maximum Output Range Resolution Accuracy (% of Reading + Counts)
400Ω 0~440Ω 0.1Ω  

0.05+2

 
3200Ω 420Ω~3300Ω 1Ω
On-off test 0~200Ω 1Ω 0.05+1
-10°C~18°C, +28°C~55°C temperature coefficient, ±0.005%FS/°C
Maximum load voltage: 20V, equivalent to voltage of 20mA on 1000Ω load resistance
 

 

OHMS Lower Display

 Range Maximum Measurement Range Resolution Accuracy (Ω): 2-wire, 3-wire Accuracy (Ω): 4-wire
400Ω 0~440Ω 0.01Ω 0.15 0.10
3200Ω 420Ω~3600Ω 0.1Ω 1.0 0.5
-10°C~18°C, +28°C~55°C temperature coefficient, ±0.005%FS/°C
Exciting current during measurement: 400Ω: 0.4mA±10% 3200Ω: 0.2mA±10%
2-wire: Does not include lead resistance.
3-wire: Assume matched leads with a total resistance not exceeding 25Ω.
 

 

 

Frequency

 Range Maximum Measurement Range Resolution Accuracy (% of Reading + Counts)
100Hz 1~99.999Hz 0.001Hz  

0.01+1
1000Hz 100~999.99Hz 0.01Hz
10kHz 1k~9.9999kHz 0.1Hz
100kHz 10k~99.999kHz 1Hz
Sensitivity: 10Hz~10kHz, Vp-p≥1V; rest: Vp-p≥2V
Wave form: Square wave. 5 counting points should be added to errors of other wave forms. Commercial frequency can be measured directly.
 

 

 

DC Current

 Range Maximum Measurement Range Resolution Accuracy (% of Reading + Counts)
200mA (upper display) -24mA~24mA 0.001mA 0.025+2
20mA (loop of upper display) 0~24mA 0.001mA 0.025+2
20mA (lower display) 0~24mA 0.001mA 0.02+2
-10°C~18°C, +28°C~55°C temperature coefficient, ±0.005%FS/°C
Input resistance: <100Ω

 

Product Specifications for Source Mode:

 

 

DC Voltage

 Range Maximum Output Range Resolution Accuracy (% of Reading + Counts)
 

100mV

 

 -15mV~99.999mV 0.001mV 0.02+20
100mV~125mV 0.01mV 0.02+2
10V 0~11V 0.001V 0.02+2
-10°C~18°C, +28°C~55°C temperature coefficient, ±0.005%FS/°C
Maximum load: 1mA or 1kΩ (it should be based on the lower load)
 

 

Frequency

 Range Maximum Output Range Resolution Accuracy (% of Reading + Counts)
200Hz 0~200Hz 0.01Hz  

0.01+1
2000Hz 0~2000Hz 0.1Hz
20kHz 0~20kHz 1Hz
Output amplitude: ≥4.5Vp-p:
Wave form: Square wave
 

OHMS

 Range Maximum Output Range Resolution External Exciting Current Accuracy (Ω)
400Ω 0~440Ω 0.01Ω 0.40mA~3.30mA 0.15
3200Ω 400~3600Ω 0.01Ω 0.1mA~0.6mA 0.50
-10°C~18°C, +28°C~55°C temperature coefficient, ±0.005%FS/°C
 

DC Current

 Range Maximum Output Range Resolution Accuracy (% of Reading + Counts)
20mA 0~24mA 0.001mA 0.02+2
20mA (Transducer Simulation) 0~24mA 0.001mA 0.02+2
-10°C~18°C, +28°C~55°C temperature coefficient, ±0.005%FS/°C
Maximum load voltage: 20V, equivalent to voltage of 20mA on 1000Ω load resistance

 

Specifications for Thermocouple & RTD – Measure & Source

Graduation Range Resolution Accuracy

J

 -200°C~0°C
0°C~1200°C		 0.1°C 1.0°C
0.7°C
K -200°C~0°C
0°C~1370°C		 0.1°C 1.2°C
0.8°C
T -200°C~0°C
0°C~400°C		 0.1°C 1.2°C
0.8°C
E -200°C~0°C
0°C~950°C		 0.1°C 0.9°C
0.7°C
R -20°C~0°C
0°C~500°C
500°C~1750°C		 0.1°C 2.5°C
1.8°C
1.4°C
S -20°C~0°C
0°C~500°C
500°C~1750°C		 0.1°C 2.5°C
1.8°C
1.5°C
B 600°C~800°C
800°C~1000°C
1000°C~1800°C		 0.1°C 2.2°C
1.8°C
1.4°C
N -200°C~0°C
0°C~1300°C		 0.1°C 1.5°C
0.9°C
Errors of cold-junction compensation are not included in the table.
Accuracy of cold-junction compensation: 1.5°C
 

Graduation

  

Range

  

Resolution

 Accuracy(°C)
2-wire
3-wire		 4-wire Output
Pt100 -200°C~850°C  

0.1°C

 0.4 0.3 0.3
Pt1000 -200°C~650°C 0.3 0.15 0.15
Cu50 -50°C~150°C 0.8 0.5 0.5
Cu100 -50°C~150°C 0.4 0.25 0.25
As for exciting current during measurement, please refer to resistance measurement function. As for allowable external exciting current during output, please refer to resistance output function.
2-wire: Does not include lead resistance
3-wire: Assumes matched leads with a total resistance not exceeding 25Ω

Questions and answers of the customers

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