Bird-technologies 6091P Uživatelský manuál stáhnout pdf (Strana 26)

4°C

Annunciator

The °C annunciator lights up to indicate units (degrees Celsius) of the current

readout in the display window (1). The annunciator will remain lighted while ∆T

pushbutton is pressed.

5 ADD

COOLANT

Annunciator

The words ADD COOLANT light up when the coolant level in the reservoir reaches

a low limit. Add coolant whenever this message is displayed.

6 REMOTE

Annunciator

The REMOTE annunciator lights up whenever the Calorimeter is in the remote

(GPIB) operating mode. It remains lighted until local mode operation is resumed.

7 BUS ACTIVE

Annunciator

The words BUS ACTIVE flash on and off in the display window (1) when the Calo-

rimeter is servicing a GPIB processor request.

8 ADDRESS

Annunciator

The ADDRESS annunciator lights up when a GPIB address is displayed in the dis-

play window (1).

9 ON/OFF

Pushbutton

Pressing the ON/OFF pushbutton puts the calorimeter into an idle state. The dis-

play will be turned off. Pressing the ON/OFF pushbutton again returns the calorim-

eter to normal operation.

10 FLOW

Pushbutton

The FLOW pushbutton selects the flow rate parameter for display. The coolant flow

rate is displayed while the pushbutton is pressed. The “l/m” annunciator lights up

to indicate that display is in liters per minute. The display will revert to WATTS

when the pushbutton is released.

∆T Pushbutton Pressing the ∆T pushbutton causes the temperature differential value to be dis-

played. The value indicates the temperature gradient of coolant passing through

the load resistor. The °C annunciator lights up to indicate that degrees Celsius is

displayed. The display will revert to WATTS when the pushbutton is released.

12 LOCAL /

ADDRESS

Pushbutton

When the Calorimeter is in the remote operating mode (GPIB operation), pressing

the LOCAL/ADDRESS pushbutton returns unit control to the front panel. The RE-

MOTE annunciator goes out to indicate when the unit is in local operating mode.

When in the local operating mode, pressing the LOCAL/ADDRESS pushbutton

causes the unit to display current address setting.

13 RF Input

Connector

The RF input connector mates with a coaxial RF power cable. The RF power ca-

ble (not provided) connects the Calorimeter with the RF power source for measure-

ment. The RF input connector is a precision 50 ohm, female, type N connector.

14 Air Filter The air filter prevents dirt and dust from entering the Calorimeter housing. The fil-

ter is easily removed for periodic cleaning.

Bird Model 6091 Calorimeter

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