Omega HH550 manual Battery & Fuse Replacement 4-1 Battery Check & Replacement：, Fuse Replacement：

Operation way :

Press INTV + Power ON into Process Transducer (4 - 20 mA) mode. First of all, setting Ref1 “ MAX ” reference value (the “MAX” symbol will be flash),

then press	0		button to input “ MAX ” reference
		1/2/3 4/5/6 7/8/9
0.001 ~ 9999, press			￿	button and wait for speaker sound. Then
			RECORD
the process transducer (4 - 20mA) mode setting is success.
			Ref1- 0	￿ (A/D Reading-4) = “ LCD ” display value
“ LCD ” display value:			16

※Available for (4mA ~ 20mA) transducer only.

4. BATTERY & FUSE REPLACEMENT 4-1 Battery Check & Replacement：

1.As battery power is not sufficient, the , will be shown on LCD replace with six new 1.5V batteries is required.

2.a). Disconnecting test leads.

b).Turning off multimeter with screw-driver. c). Open battery cover.

d). Replace the batteries

e). Cover and secure the battery cover.

4-2 Fuse Replacement：

a). Disconnecting test leads. b). Turn off multimeter.

c). Open fuse cover with screw-driver.

d). Remove old fuse and replace with new fuse. e). Cover and secure the fuse cover.

※Only 5ψ×20mm fast blow type fuse is allowable.

4-3 Note：

To prevent electrical hazard or shock, turn off multimeter and disconnect test leads before removing any cover.

5. DATALOGGING