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Bacharach H25-IR manual Brightness, Clock, PCHK Mode, Probe Button, Reset Defaults, Auto At Cal

Models: H25-IR

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2.4.5 Brightness

Preparing for Operation	H25-IR

2.4.5 Brightness

BRIGHTNESS

PRESS ARROW KEYS TO

ADJUST

The BRIGHTNESS function changes the brightness level of the instrument’s front panel display.

Use the Up, Down, Left, or Right button to change the brightness to any one of four levels. Press ENT to save the selected brightness level.

2.4.6 Clock

SET DATE & TIME

07/16/04 13:13

The CLOCK function sets the instrument’s date (MM/DD/YY) and time (24 hour format, where 1:00 PM is displayed as 13:00). The clock allows measured values to be logged with a date/time stamp (refer to Section 4.2.9 Logging Measured Readings).

Use the Left and Right buttons to move the blinking cursor across the screen to highlight the digits to be modified, and then use the Up and Down buttons to modify those digits. Press ENT to save the new date and time values.

2.4.7 PCHK Mode

PCHK MODE

AUTO AT CAL

The PCHK Mode setting determines when the instrument performs a ambient pressure check as follows:

AUTO – A pressure check is performed once every 60 minutes.

AT CAL – A pressure check is performed at the end of every calibration.

Note that a pressure check is always performed when the instrument is first turned ON just before the warm-up period begins, regardless of the PCHK Mode setting.

Use the Up and Down buttons to highlight the desired setting. Press ENT to save the selection.

2.4.8 Probe Button

PROBE BUTTON

DISABLED

MODE KEY

ENTER KEY

The PROBE BUTTON function selects what action is performed by the pushbutton on the Standard Probe with LED and Pushbutton.

DISABLED – No action performed.

MODE KEY – Toggles the instrument between its Search and Measure mode.

ENTER KEY – Performs the same function as the ENT / ZERO key on the instrument’s front panel. Use the Up and Down buttons to highlight the desired setting. Press ENT to save the selection.

2.4.9 Reset Defaults

CONFIRM RESET TO

DEFAULTS BY PRESSING

THE UP ARROW

The RESET DEFAULTS function returns the instrument to its factory default settings per Appendix “A”. Press the Up button to confirm resetting the instrument back to its factory default settings.

14	Instruction 3015-4342

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Bacharach H25-IR manual Brightness, Clock, PCHK Mode, Probe Button, Reset Defaults, Auto At Cal, Enter Key

Contents

H25-IR Infrared Refrigerant Gas Leak DetectorOperation & Maintenance InstructionWARRANTY Register Your Warranty by Visiting2 Preparing for Operation Table of Contents1 Introduction 3 CalibrationSpecifications MaintenanceParts and Service Operation1.2.4 AC Power and Grounding 1.2 Safety Precautions1.2.3 Hazard Symbols 1 Introduction1.2.6 Working Inside the Instrument 1.2.9 Cleaning1.2.5 Explosive Atmosphere 1.2.7 Misuse and Modifications to InstrumentCode 1.3 Ordering Information1.4 Unpacking and Initial Checks Description1.5 Features and Capabilities 1.6 Functional Overview Leak Rate = Flow Rate x Gas Concentration1.7 Names and Functions of Components 1.7.1 Front ViewFront Panel Buttons 1.7.2 Rear View 1.7.3 Interior H25-IRIntroduction 1.7.4 Standard Probe IntroductionH25-IR H25-IR 1.7.6 Smart Probe1.7.7 Smart Probe Keylock Function Introduction1.8 Menu System IntroductionH25-IR 2 Preparing for Operation 2.1 Connecting the Probe2.2 Connecting the AC Power Cord 2.3 Turning ON the Instrument2.4.2 Leak Units 2.4 System Setup2.4.1 Gas Type R134A1 = NOT USED 2.4.3 Relays2.4.4 4-20mA Loop CLOSE AT LOG LIMIT2.4.6 Clock 2.4.9 Reset Defaults2.4.5 Brightness 2.4.7 PCHK Mode2.5 Configuring the SETUPS Function 2.5.1 Setup Name2.5.2 Range 2.5.5 Setpoint 2.5.3 Gas Type2.5.4 Feedback Mode CONTINUOUS2.6 Calibration 2.5.6 Search Auto Zero2.7 External Relay Connections Typical Relay 1 Wiring2.8 4-40mA Current Loop Connection 4-20mA Current Loop ConnectorPreparing for Operation H25-IRInstruction 3.1.1 Internal Calibration Selection 3 Calibration3.1 Selecting Internal or External Calibration INTERNAL3.1.2 External Calibration Selection and Setup EXTERNAL0.89 0.003.2 Internal Calibration Calibration 0.893.3 External Calibration H25-IR3.4 CAL Factor ProcedureMaterial Required Calibration H25-IR3.4.3 Adjusting the CAL Factor 3.5 Restoring Factory CalibrationCalibration H25-IRInstruction 4.2.2 Initial Setup 4.2 Using the H25-IR4.2.1 Power 4 Operation4.2.4 Setup Selection SETUP NO4.2.3 Range Selection 4.2.5 Volume Adjustment 4.2.6 Searching for a Leak2.80SM MEASR1 4.2.7 Measuring the Leak Rate4.2.8 Measuring the PPM Level 38.0SM MEASR14.2.9 Logging Measured Readings 4.2.10 Working with Logged Measurements4.2.10.1 Viewing Logged Measurements Operation 4.2.10.4 Setting the Log Limit4.2.10.2 Clearing the Log H25-IR4.5 RS-232Communication 4.3 What to Do when a Fault Occurs4.4 What is PCHK? Diagnostics MenuOperation H25-IRInstruction 5.1.1 Sensor Data 5 Maintenance5.1 Diagnostics Menu Sensor Data Screen Information5.1.2 Last Fault MaintenanceH25-IR 5.2 Factory Menu 5.1.3 IR Emitter5.1.4 Pressure 5.2.3 Leak Rate 5.2.1 Auto Gain5.2.2 DIGIPOT 5.2.4 Leak Gas5.2.7.1 Pressure Sensor Calibration Screen 5.2.6 Leak TEMPCO5.2.7 Sensor Cal PRESSURE5.2.9 Probe Type 5.2.7.3 Box Temperature Calibration Screen5.2.8 Model Select 5.2.10 Firmware5.3 Flashing Memory ProcedureItems Required Click OK Click Open 5.4 Part Replacement 5.4.1 Removing the Top Cover5.4.2 Fuse Replacement 5.4.3 Probe Tip Filter & O-RingReplacement5.4.4 Internal Filter Replacement 6 Parts and Service 6.1 Replacement PartsCanada 6.2 Service CentersUnited States MéxicoR600a 7 SpecificationsCFCs, HCFCs, HFCs and Halogens SF6Specifications H25-IRInstruction APPENDIX A - Factory Defaults Appendix A H25-IRInstruction H25-IR Appendix AHeadquarters 621 Hunt Valley Circle, New Kensington, PA