1[
2    {
3        "Desc": {
4            "Name": "Virtual_CFM_Sensor",
5            "SensorType": "airflow"
6        },
7        "Threshold": {
8            "CriticalHigh": 40,
9            "CriticalLow": 10,
10            "WarningHigh": 30,
11            "WarningLow": 15
12        },
13        "Params": {
14            "ConstParam": [
15                {
16                    "ParamName": "P1",
17                    "Value": 0.00565
18                },
19                {
20                    "ParamName": "P2",
21                    "Value": 3.7427
22                }
23            ],
24            "DbusParam": [
25                {
26                    "ParamName": "P3",
27                    "Desc": {
28                        "Name": "SP_FAN0_TACH",
29                        "SensorType": "fan_tach"
30                    }
31                },
32                {
33                    "ParamName": "P4",
34                    "Desc": {
35                        "Name": "SP_FAN1_TACH",
36                        "SensorType": "fan_tach"
37                    }
38                }
39            ]
40        },
41        "Expression": "(P3 * P1) + (P4 * P1) - P2"
42    }
43]
44