5.3 Coefficient, indication digits, and unit
5-7
○
When measuring a strain gauge type load cell in direct reading of physical value
:
In case of load cell with capacity of 5 kN and rated output of 2 mV/V
For a load cell whose rated output is expressed in mV/V,
calculate the strain using: 1 mV/V = 2000×10
-6
.
Accordingly, strain is calculated as 2mV/V×2000 = 4000×10
-6
for this example.
5 kN/4000×10
-6
strain = 0.00125 (kN/1×10
-6
strain)
The indication value is in direct reading of physical value when the parameters
are set as follows: Sensor mode = 4GAGE
Coefficient = 1.250×10
-3
, Unit = kN, and Indication digits = ###.###
○
When measuring a strain gauge type displacement transducer in direct reading of
physical value
:
In case of displacement transducer with capacity of 25mm and rated output of 6.25mV/V
The same as the above, strain is calculated as 6.25mV/V×2000 = 12500
×
10
-6
.
25 mm/12500×10
-6
strain = 0.002 (mm/1×10
-6
strain)
The indication value is in direct reading of physical value when the parameters
are set as follows: Sensor mode = 4GAGE
Coefficient = 2.000×10
-3
, Unit = mm, and Indication digits = ###.###
○
When measuring a voltage output sensor in direct reading of physical value
:
In case of displacement transducer with capacity of 10 mm and voltage output of 0 to 5 V
It is calculated as 10mm/5000mV = 0.002 (mm/1mV)
The indication value is in direct reading of physical value when the parameters
are set as follows: Sensor mode = DC voltage 30V
Coefficient = 2.000×10
-3
, Unit = mm, and Indication digits = ##.####
○
When measuring current by using a shunt resistor and measuring the voltage drop
between the both ends of the resistor
:
When a shunt resistor of 10 Ω is used and the measured voltage drop is 300 mV or less
According to Ohm’s law, I = E/R.
Therefore, it is calculated as 1(mV)/10(Ω) = 0.1(mA)
This means that when the voltage drop is 1 mV, the cur rent is 0.1 mA.
The indication value is in direct reading of current value when the parameters
are set as follows: Sensor mode = DC voltage 300mV
Coefficient = 1.000×10
-1
, Unit = mA, and Indication digits = ##.####
■
Coefficient, indication digits, and unit setting
1. On Program screen, move the cursor
(reversed indication) with
[▲][▼]
keys and
press
[ENT]
key, or press
[2]
of ten keys, to
go to “Coefficient, Digit, unit ”.
Summary of Contents for TC-32K
Page 1: ...O p e r a t i o n M a n u a l TC 32K HANDHELD DATA LOGGER...
Page 8: ...Chapter 12 Error Message 12 1 Explanations and countermeasures for error messages 12 2...
Page 9: ...Chapter 1 Overview 1 1 Overview 1 2 1 2 Features 1 2 1 3 Details about each part 1 3...
Page 22: ...2 5 Operation outline 2 10 memo...
Page 23: ...Chapter 3 Sensor Connection 3 1 Sensor connection 3 2...
Page 65: ...5 10 Measurement auxiliary setting 5 28 memo...
Page 78: ...6 5 Recording in data memory and CF card 6 13 memo...
Page 86: ...7 7 Remote measurement 7 8 memo...
Page 98: ...8 7 Factory setting 8 12 memo...
Page 127: ...11 4 Outside drawing 11 8 11 4 Outside drawing Unit mm...
Page 128: ...Chapter 12 Error Message 12 1 Explanations and countermeasures for error messages 12 2...
