Command 4: Conversion Equation Settings - Casio EA-200 Technical Reference

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.