Bacharach H25-IR manual Parts and Service

Contents				H25-IR
	3.4	CAL Factor		25
		3.4.1	Simulating Other Internal Leak Source Gas Types Using the CAL Factor	25
		3.4.2	Improving PPM Measurement Accuracy using the CAL Factor	26
		3.4.3	Adjusting the CAL Factor	27
	3.5	Restoring Factory Calibration		27
4	Operation			29
	4.1	Instrument Location		29
	4.2	Using the H25-IR		29
		4.2.1	Power	29
		4.2.2	Initial Setup	29
		4.2.3	Range Selection	30
		4.2.4	Setup Selection	30
		4.2.5	Volume Adjustment	31
		4.2.6	Searching for a Leak	31
		4.2.7	Measuring the Leak Rate	32
		4.2.8	Measuring the PPM Level	32
		4.2.9	Logging Measured Readings	33
		4.2.10 Working with Logged Measurements		33
			4.2.10.1 Viewing Logged Measurements	33
			4.2.10.2 Clearing the Log	34
			4.2.10.3 Viewing the Total of all Logged Measurements	34
			4.2.10.4 Setting the Log Limit	34
	4.3	What to Do when a Fault Occurs		35
	4.4	What is PCHK?		35
	4.5	RS-232 Communication		35
5	Maintenance			37
	5.1	Diagnostics Menu		37
		5.1.1	Sensor Data	37
		5.1.2	Last Fault	38
		5.1.3	IR Emitter	39
		5.1.4	Pressure	39
	5.2	Factory Menu		39
		5.2.1	Auto Gain	40
		5.2.2	DIGIPOT	40
		5.2.3	Leak Rate	40
		5.2.4	Leak Gas	40
		5.2.5	Leak Temp	40
		5.2.6	Leak TEMPCO	41
		5.2.7	Sensor Cal	41
			5.2.7.1 Pressure Sensor Calibration Screen	41
			5.2.7.2 Flow Rate Sensor Calibration Screen (Factory Calibration)	41
			5.2.7.3 Box Temperature Calibration Screen	42
		5.2.8	Model Select	42
		5.2.9	Probe Type	42
		5.2.10 Firmware		42
	5.3	Flashing Memory		43
	5.4	Part Replacement		46
		5.4.1 Removing the Top Cover		46
		5.4.2	Fuse Replacement	47
		5.4.3 Probe Tip Filter & O-Ring Replacement		47
		5.4.4	Internal Filter Replacement	48
6	Parts and Service			49
	6.1	Replacement Parts		49
	6.2	Service Centers		50
7	Specifications			51

ii Instruction 3015-4342