
LM3 Installation, Operation Manual
WINTERS INSTRUMENTS
Tel: 1-800-WINTERS / www.winters.com
3
General information
Information on the Operating Manual
This operating manual contains important information on proper usage of the device. Read this operating manual
carefully before installing and starting up the pressure measuring device. Adhere to the safety notes and operating
instructions which are given in the operating manual. Additionally applicable regulations regarding occupational
safety, accident prevention as well as national installation standards and engineering rules must be complied with!
This operating manual is part of the device, must be kept nearest its location, always accessible to all employees.
This operating manual is copyrighted. The contents of this operating manual reflect the version available at the time
of printing. It has been issued to our best knowledge. However, errors may have occurred. Winters Instruments is
not liable for any incorrect statements and their effects.
NOTE: Technical modifications reserved
Symbols used
Y
DANGER!
– dangerous situation, which may result in death or serious injuries
Y
WARNING!
– potentially dangerous situation, which may result in death or serious injuries
Y
CAUTION!
– potentially dangerous situation, which may result in minor injuries
!
CAUTION!
– potentially dangerous situation, which may result in physical damage
NOTE – tips and information to ensure a failure-free operation
Target group
Y
WARNING!
To avoid operator hazards and damages of the device, the following instructions have to be
worked out by qualified technical personnel.
Limitation of liability
By non-observance of the operating manual, inappropriate use, modification or damage, no liability is assumed and
warranty claims will be excluded.
Note: Measurements are in mm
Order Codes
Range
Over-
pressure
Burst
Pressure
Code
50” H
2
O
15 psi
22 psi
LM3W05
100” H
2
O
15 psi
22 psi
LM3W10
150” H
2
O
15 psi
22 psi
LM3W15
200” H
2
O
15 psi
22 psi
LM3W20
300” H
2
O
15 psi
22 psi
LM3W30
400” H
2
O
15 psi
22 psi
LM3W40
0-5 psi
15 psi
44 psi
LM3005
0-10 psi
44 psi
109 psi
LM3010
0-15 psi
44 psi
109 psi
LM3015
0-25 psi
87 psi
218 psi
LM3025
0-50 psi
290 psi
218 psi
LM3050
0-100 psi
290 psi
725 psi
LM3100
0-200 psi
870 psi
1,740 psi
LM3200
0-300 psi
1,450 psi
1,740 psi
LM3300
135
Ø7,4
Ø19
4 x Ø5
Thermal Errors (Offset and Span)
Nominal Pressure (psi)
<1
<4
<5
<15
>15
Tolerance Band (% FSO)
<±2
<±1.5
<±1
<±1
<±0.75
TC, Average (% FSO/10K)
±0.3
±0.2
±0.14
±0.1
±0.07
Compensated Range
32°F to 122°F
0°C to 50°C
32°F to 158°F
0°C to 70°C