Welch-allyn SureTemp PlusModule - User Manual Manuale Utente Scaricare il pdf (Pagina 13)

SureTemp Plus Module OEM Implementation OEM Implementation

Welch Allyn OEM Technologies Conﬁdential 13

3 - OEM Implementation

Introduction

The host system is responsible for the following:

• converting temperature measurement units from Kelvin to Fahrenheit and Celsius

• error message display

• providing display of last temperature

• meeting patient safety requirements

EMI/ESD Protection

Ferrite beads and 10-nF capacitors can be added to the assembly interconnect connections to

prevent malfunction of the assembly from electromagnetic interference. Locate these capacitors

near the interconnections to the SureTemp Plus board.

Mechanical Considerations

In general, do not place the SureTemp Plus module where it is subject to heat or electrical noise

generating devices.

The probe connector has a one-second debounce when going from no-probe to any other state,

and a zero second debounce when going to no-probe from any other state. Therefore, the host

must take this into consideration when waiting for the assembly to respond to a probe change.

The module must be located such that the probe tip is at or near ambient temperature. The host

is responsible for maintaining this requirement. A Programmable Ambient Bias is a feature

provided with the module software to help minimize the impact caused by any offset in probe tip

temperature versus ambient temperatures. Refer to Section 8, Serial Communication

Speciﬁcation, for more detail.

Refer to the drawing below for detail concerning the probe cover box receptacle required to hold

the probe cover box.

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Welch-allyn SureTemp PlusModule - User Manual Manuale Utente Pagina 13