Casio E-Con EA-200 Référence technique - Page 14
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Command 4:
Conversion Equation Settings
{ 4, Equation Number, Equation Type, Number Format, Constants }
1. Equation Number
0 Clear all Command 4 data.
1 Specify CH1.
2 Specify CH2.
3 Specify CH3.
4 Specify SONIC channel.
2. Equation Type
Analog
CH1, CH2, CH3
(Channel = 1, 2, 3)
Equation Name
1 Polynomial
K
+K
0
2 Mixed Polynomial
K
X
–m
(K
3 Power
K
X
0
4 Modified power
K
K
0
1
5 Logarithmic
K
+K
0
6 Modified logarithmic
K
+K
0
7 Exponential
K
e
0
8 Modified exponential
K
e
0
9 Geometric
K
X
0
10 Modified geometric
K
X
0
11 Reciprocal logarithmic [K
+K
0
12 Steinhart-Hart model
[K
+K
0
Format
X+K
X
2
+...+K
X
n
1
2
n
–m
+...+K
X
–1
+K
+K
X+......+K
X
n
–1
0
1
n
)
1
+K
2
(X)
+K
2
In(X)
1
In(1/X)
1
(K
X)
1
+K
2
(K
/X)
1
+K
2
(K
X)
1
+K
2
(K
/X)
1
+K
2
In(K
X)]
–1
+K
1
2
3
(In 1000X)+K
(In 1000X)
3
]
–1
+K
1
2
3
SONIC
(Channel = 4)
3. Number Format and Unit
• Number Format
Analog
(Channel = 1, 2, 3)
• Unit
SONIC
(Channel = 4)
Restrictions
n = 0 to 9
m = 1 to 4
n = 0 to 5
m+n > 0
X ≠ 0
X > 0
4. Constants and Temperature
> 0
K
1
X > 0
• Constants
X > 0
Analog
(Channel = 1, 2, 3)
X ≠ 0
X > 0
X > 0
K
X > 0
2
• Temperature
X > 0
SONIC
(Channel = 4)
– 14 –
0 Clear conversion equation.
1 Conversion equation temperature specification
CH1, CH2, CH3
0
Standard
10 Integer part only
0 °C (Celsius)
1 °F (Fahrenheit)
°F = (9/5) × °C + 32
2 °C (Celsius)
3 K (Kelvin)
4 °R (Rankin)
R = 1.8 × °C + 491.67
CH1, CH2, CH3
Polynomial: Input constants in sequence from Kn = 0
Mixed polynomial: Input constants in sequence from m= 4 to 1, n = 0 to 5.
Sound velocity is calculated from this value and unit.
Sound Velocity m/s = 331.5 + 0.6 × °C
Default sonic velocity is 343 m/s.