Detectable refrigerants
Refrigerant
Refrigerant group
CFC
HCFC
HFC
R12
R22
R123
R134a
R404
R407a, b, c, d, e
R408
R409
R410a
R505
R507
Hydrogen
Ammonia
Accessories and spare parts
Description
Refrigerant sensor head
NH
sensor head
3
Earplug
Mains unit
A complete list of all accessories and spare parts can be found in the product
catalogues and brochures or on the internet at: www.testo.com
Reference refrigerant
(lower reaction threshold specified)
x
x
x
x
x
Detectable
refrigerant
x
x
x
x
x
x
x
x
x
x
x
Tips and assistance 19
Refrigerant selection
in instrument
R22
R22
R404a
R22
R22
R22
R134a
R404a
R134a
R22
R22
R134a
R22
R134a
H
2
NH
3
Part no.
0554 3180
0554 3181
0554 5001
0554 1093