Get-BitLockerStatus.ps1

function Get-BitLockerStatus {
    [CmdletBinding()]
    param (
        [Parameter(ValueFromPipeline)]
        [Microsoft.ActiveDirectory.Management.ADComputer] $Computers,

        [parameter(Mandatory)]
        [pscredential] $Credential
    )
    process {
        $sb = {
            $Bitlocker = Get-BitLockerVolume -MountPoint "C:"

            enum ChassisType {
                Other = 1
                Unknown = 2
                Desktop = 3
                LowProfileDesktop = 4
                PizzaBox = 5
                MiniTower = 6
                Tower = 7
                Portable = 8
                Laptop = 9
                Notebook = 10
                HandHeld = 11
                DockingStation = 12
                AllinOne = 13
                SubNotebook = 14
                SpaceSaving = 15
                LunchBox = 16
                MainSystemChassis = 17
                ExpansionChassis = 18
                SubChassis = 19
                BusExpansionChassis = 20
                PeripheralChassis = 21
                StorageChassis = 22
                RackMountChassis = 23
                SealedCasePC = 24
            }

            $params = @{
                ClassName   = 'Win32_SystemEnclosure'
                Namespace   = 'root\CIMV2'
                Property    = 'ChassisTypes'
                ErrorAction = 'SilentlyContinue'
            }

            $Type = [ChassisType](Get-CimInstance @params).ChassisTypes

            [PSCustomObject]@{
                ComputerName = $Bitlocker.ComputerName
                Status       = $Bitlocker.ProtectionStatus
                ChassisType  = $Type
            }
        }

        foreach ($Computer in $Computers) {
            if ( Test-WSMan -ComputerName $Computer.name -ErrorAction SilentlyContinue) {
                
                $params = @{
                    ComputerName = $Computer.name
                    ScriptBlock  = $sb
                    Credential   = $Credential
                }
                
                $return = Invoke-Command @params 
                $return | Add-Member @{ DN = $Computer.DistinguishedName } -PassThru
            }
        }
    }
}