Wireless Cabinet Analysis Sensor

Thermal Mapping
Differential Pressure
Door Status

Analysis of cabinet thermal properties and airflow

All In One Wireless Cabinet Sensor

The Wireless Cabinet Analysis Sensor (W-CAS) features a cabinet thermal map for detecting hot spots, differential pressure sensor for analysis of airflow and 2x dry contact inputs for door security sensors. Powered by USB, or 4x AA rechargeable batteries and using AKCP Wireless Wall Penetrating Technology data is collected and sent to one of our wireless sensor gateways. A wired version of the W-CAS is also available for use with the sensorProbeX+ base units.

Thermal Maps

Cabinet thermal maps consist of 2 strings of 3x Temp and 1x Hum sensor. Monitor the temperature at the front and rear of the cabinet, top, middle and bottom. The △T value, front to rear temperature differential is calculated and displayed with animated arrows in AKCPro Server cabinet rack map views.

Differential Pressure

There should always be a positive pressure at the front of the cabinet, to ensure that air from hot and cold aisles are not mixing. As air travels from areas of high pressure to low pressure, it is imperative for efficient cooling to check that there is a higher pressure at the front of the cabinet and lower pressure at the rear.

Door Contacts

I/O dry contact inputs can be used to monitor the front and rear doors of the cabinet, or alternatively alarm outputs from a UPS or other rack mounted equipment.

Rack Maps and Containment Views

The L-DCIM runs AKCPro Server. Dedicated rack maps displaying W-CAS sensor data can be configured to give visual representation of each rack in your data center. If you are running a hot/cold aisle containment, then containment views can also be configured to give a sectional view of your racks and containment aisles.

 
 




Status Indication
LED indication for Connectivity
LED indication for Status
Components
Manufactured using highly integrated, low power surface mount technology to ensure long term reliability.
Mounting : Desktop, Wallmount, Din rail, Magnetic
Operating Environment
Temperature : Min. -35° C – Max.80° C
Humidity: Min. 20% – Max. 80% (Non-Condensing)
LoRa (R) Radio
Regional plans
– EU868 : 863~868Mhz, Max TX Power +14dBm, Duty Cycle 1%
– US915: 903~915Mhz, Max TX Power +17dBm
– AS923 : 920~925Mhz, Max TX Power +14dBm, Duty Cycle 1%
– KR920 (Korea) : 922~923Mhz, Max TX Power +14dBm, Duty Cycle 1%
– IL917 (Israel) : 915~917Mhz , Max TX Power +14dBm, Duty Cycle 1%
Certification
FCC Part15C, CE EN300220-2
Interface
Micro-USB port for powering, adding and upgrading to the Gateway base unit
Dimension
86mm X 111mm X 63mm
Mounting
Desktop, Wallmount, Din rail, Magnetic
Power source
4xAA Internal recheargeable NiMH batteries or via micro-USB port
Power Consumption
Typical 20mA
Environment monitoring  
Temperature

 

6x Temperature sensor values
3x Differential Temperature sensor values
Measurement Range
Typical :
* ±0.3 from -40ºC to +75ºC
* ±0.4 from -40ºF to +167ºF
Maximum :
* ±0.4 at -40ºC and ±0.4 at +75ºC
* ±0.7 at -40ºF and ±0.7 at +167ºF
Measurement Resolution
0.1°C increments
0.2°F increments
Measurement Accuracy
Maximum ±0.3 at -40ºC, minimum ±0.3 at +25ºC and ±0.3 at +75ºC
Maximum ±0.6 at -40ºF, minimum ±0.6 at +25ºC and ±0.6 at +167ºF
   
Humidity
2x Humidity sensor values
   
Measurement range 0 to 100% Relative humidity
Resolution
1%RH increments, 0.01%RH sensor reading
Accuracy at
25°C ±2%RH
   
Differential Pressure
1x Differential Pressure value
   
Measurement range
± 125 Pa (±0.5 inH2O / ±1.25 mbar)
Resolution 0.01 Pa increments
Accuracy at
25°C ±0.5%
   
Dry Contact
1x Discrete Dry Contact inputs
Input
Switch type dry contact input: open or close
Edge counters
Type
– Isolated (5 to 24V DC/AC)
– 5V pull-up, non-isolated
Gateway sensor count
19 (3 + 16)
Important Note

 

 

Note 1: for 5V pull-up non-isolated, they all share the same ground.
Care should be taken on grounding when connecting the inputs to the dry contacts
Note 2: for 5V pull-up non-isolated, don’t apply any voltage to the dry contact inputs



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AKCPWireless Cabinet Analysis Sensor