In-Situ Aqua TROLL 400 Modbus and SDI-12 Reference Guide - Manual (Page 45)

6.1.2 Fast Sample Rate
If automatic density correction is disabled, this register returns the level sensor fast sample rate
as shown. If automatic density correction is enabled, this register shall return the sum of the
level sensor and conductivity sensor fast sample rates.
6.2 Parameter Registers—Level
Register Size
(registers)
Mode & Access Level
(R/W)
Data
Type
Description
Pressure
1038 2 R1 float Measured value, P
m
1040 1 R1 ushort Parameter ID = 2 (pressure)
1041 1 R1/W2 ushort Units ID
17 = PSI (default)
19 = KPa
20 = bar
21 = mbar
22 = mmHg
1042 1 R1 ushort Data Quality ID
1043 2 R1/W3 float Off line sentinel value
(default = 0.0)
1045 1 R1 16 bits Available Units = 0x003D (61)
Temperature
1046 2 R1 float Measured value
1048 1 R1 ushort Parameter ID = 1 (temperature)
1049 1 R1/W2 ushort Units ID
1 =
°C (default)
2 =
°F
1050 1 R1 ushort Data Quality ID
1051 2 R1/W3 float Off line sentinel value (default = 0.0)
1053 1 R1 16 bits Available Units = 0x0003 (3)
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