# https://in-situ.com/wp-content/uploads/2014/11/Modbus_Communication_Protocol_5.10.pdf, Version 5.10
# Appendix E: Unit Ids
# and
# Win-Situ 5

# Unit Id, Unit Name

# Temperature (1-16)
1, C # Celsius
2, F # Fahrenheit
3, K # Kelvin

# Pressure, Barometric Pressure (17-32)
17, PSI # Pounds per Square Inch
18, Pa # Pascals
19, kPa # Kilopascals
20, Bar # Bars
21, mBar # Millibars
22, mmHg # Millimeters of Mercury
23, inHg # Inches of Mercury (0 °C)
24, cmH2O # Centimeters of Water (4 °C)
25, inH2O # Inches of Water (4 °C)
26, Torr

# Distance/Length (33-48)
33, mm # Millimeters
34, cm # Centimeters
35, m # Meters
36, km # Kilometer
37, in # Inches
38, ft # Feet

# Coordinates (49-64)
49, deg # Degrees
50, min # Minutes
51, sec # Seconds

# Conductivity (65-80)
65, uS/cm # Microsiemens per centimeter
66, mS/cm # Millisiemens per centimeter

# Resistivity (81-96)
81, ohm-cm # Ohm-centimeters

# Salinity (97-112)
97, PSU # Practical Salinity Units

# Concentration (113-128)
113, ppm # Parts Per Million
114, ppt # Parts Per Thousand
115, ppm N # Parts Per Million Nitrogen
116, ppm Cl # Parts Per Million Chloride
117, mg/L # Milligrams per liter
118, ug/L # Micrograms per liter
119, uM/L # Micromoles per liter

# Density (129-144)
129, g/cm3 # Grams per cubic centimeter

# pH (145-160)
145, pH

# Voltage (161-176)
161, uV # Micro Volts
162, mV # Milli Volts
163, V # Volts

# Dissolved Oxygen (DO) % Saturation (177-192)
177, % sat # Percent saturation

# Turbidity (193-208)
193, FNU # formazin nephelometric units
194, NTU # nephelometric turbidity units
195, FTU # formazin turbidity units

# Flow (209-224)
209, ft3/s # Cubic feet per second
210, ft3/min # Cubic feet per minute
211, ft3/hr # Cubic feet per hour
212, ft3/day # Cubic feet per day
213, gal/s # Gallons per second
214, gal/min # Gallons per minute
215, gal/hr # Gallons per hour
216, MGD # Millions of gallons per day
217, m3/sec # Cubic meters per second
218, m3/min # Cubic meters per minute
219, m3/hr # Cubic meters per hour
220, m3/day # Cubic meters per day
221, L/s # Liters per second
222, acre-ft/day # Acre feet per day

# Volume (225-240)
225, ft3 # Cubic feet
226, gal # Gallons
227, mgal # Millions of gallons
228, m3 # Cubic meters
229, L # Liters
230, acre-ft # Acre feet
