407495 V2.1 11/2007

4

Operation

Push-button Zero

1. Attach a transducer to the meter, turn the meter ON, and select the range that matches

the attached transducer as described in the 'Preparation for Use' section.

2. With the transducer attached to the meter (but not attached to the process) press the

ZERO button. Note that the ZERO button should always be pressed after swapping

transducers.

3. If the display reads zero after pressing the ZERO button proceed to the next section. If

the display does not zero, the transducer may be defective.

Connect Transducer Port to Process

1. Ensure that the process under test is not pressurized

2. Connect the Transducer's ¼” PS, 19 teeth per inch threaded port to the process under

test.

3. Apply pressure to the process.

4. Read the pressure on the meter's LCD.

Data Hold

1. When a reading is on the display that you wish to hold, press the Data Hold button.

2. The reading will freeze and the HOLD icon will appear on the display.

3. Press the Data Hold button again to release the reading and return the meter to normal

operation.

Minimum/Maximum Reading Memory

1. Press the RECORD/RECALL button to start tracking the highest (MAX) and lowest

(MIN) readings. The REC indicator will appear on the LCD.

2. Take pressure measurements.

3. When pressure measurements are complete, press the RECORD/RECALL button to

recall the Maximum reading recorded (the MAX indicator will appear on the LCD).

4. Press the RECORD/RECALL button again to recall the Minimum reading recorded (the

MIN indicator will appear on the LCD).

5. To exit this mode and return the meter to normal operation, press and hold the

RECORD/RECALL button until the REC indicator goes out.

Auto Power-Off

In order to conserve battery life, the meter automatically shuts off after 10 minutes. To

defeat this feature put the meter in the Record mode by pressing the RECORD/RECALL

button; the REC indicator will appear. As long as the REC icon is displayed, the meter will

stay on indefinitely.

RS-232 PC Interface

This meter is equipped with an RS-232 PC Interface output port (meter top). A Data

Acquisition kit that includes Windows

meter-to-PC interface cable can be obtained from Extech for use with this meter. The Part

Number for the kit is 407001A. Instructions for use are supplied with the kit.