Battery Currents; Tatus; Performing An Auto; Ambient Conditions - Alpha Moisture Systems SADPmini Instruction Manual

Automatic dewpoint hygrometer

Hide thumbs Also See for SADPmini:

Warning: This function is purely an internal calculation and DOES

NOT allow an elevated pressure to be applied to the measuring head.

13 Battery Current Status

Only use the Charger supplied with SADPmini

The battery Icon in the bottom left-hand corner of the display indicates the status of the

battery.

The internal battery is a 3.6V, 2.3Ah Lithium-Ion rechargeable cell. The Icon indicates the

battery voltage as follows: -

Less than 3.3V dc

OFF

3.3 to 3.38V dc

3.38 to 3.46V dc

3.46 to 3.54V dc

3.54 to 3.62V dc

Greater than 3.62V dc

The Icon fills from the left when the external power supply is connected. This indicates that

the battery is receiving a charging current and should be fully charged within 6 hours.

Note: It is recommended that the unit be charged overnight when first received to ensure the battery is

fully charged.

Note: The 4-20mA output should not be operated while the instrument is charging.

14 Performing an AutoCal

Before an AutoCal can be performed successfully, the user must have a reference moisture

reading. This reading is entered into the SADPmini in the AutoCal process as the AutoCal

value. The AutoCal routine can be performed using a known reference gas or under ambient

conditions.

Note: The AutoCal process will automatically correct any SPCs (see section 11.2.5) already in the

SADPmini.

Pump the SADPmini head up and down a few times to ensure that the air surrounding the

sensor in the SADPmini head is representative of the ambient moisture value. Leave the head

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