DESCRIPTION
MLH Series pressure sensors combine Application Specific
Integrated Circuit (ASIC) technology with a media isolated,
metal diaphragm design. This digitally compensated sensor
offers value and performance, making it the ideal pressure
sensing solution for demanding applications. Fully temperature
compensated, calibrated and amplified, the MLH is available in
50 psi to 8,000 psi pressure ranges.
MLH sensors deliver ±0.25% full scale accuracy Best Fit
Straight Line (BFSL) and as low as 2% total error over a
temperature range of -40 °C to 125 °C [-40 °F to 257 °F].
Industry standard connectors and process ports are offered for
enhanced reliability and user flexibility.
FEATURES
All metal wetted parts for use in wide variety of fluid
applications
No internal elastomeric seals mean no o-ring compatibility
issues
Amplified outputs eliminate cost of external amplifiers
Input reverse voltage protection guards against mis-wiring
Less than 2 ms response time provides accurate, high
speed measurement
Rated IP65 or better for protection from harsh environments
The MLH has six standard output options:
A. 0.5 Vdc to 4.5 Vdc ratiometric from 5 Vdc excitation
B. 4 mA to 20 mA
C. 1 Vdc to 6 Vdc regulated
D. 0.25 Vdc to 10.25 Vdc regulated
E. 0.5 Vdc to 4.5 Vdc regulated
G. 1 Vdc to 5 Vdc regulated
POTENTIAL APPLICATIONS
Compressors
Refrigeration and HVAC/R
General industrial
General hydraulics
Multiple transportation applications including braking and
alternate fuels
Medical
Table 1. Pressure Range Specifications
1
(At 25 C [77 F] and at rated excitation unless otherwise specified.)
psi
Pressure
Proof pressure
Burst pressure
Pressure
Proof pressure
Burst pressure
50
150
500
6
18
60
100
300
1000
10
30
100
150
450
1500
16
48
160
200
600
2000
25
75
250
250
750
2500
bar
40
80
400
60
120
600
100
200
1000
160
320
1600
250
500
2068
350
700
2068
500
750
2068
550
825
2068
300
900
3000
500
1500
5000
1000
2000
10000
2000
4000
20000
3000
6000
30000
5000
7500
30000
8000
12000
30000
Note:
1. Comparable metric units follow same proof and burst specifications.
Table 2. Physical and Environmental Specifications
Parameter
Characteristic
Material in contact with media
port: stainless steel 304L; diaphragm: Haynes 214 alloy
Housing material
black plastic – Amodel AS-4133 HS – PPA
Weight
57.0 g [2.0 oz] (typical for Delphi Metri-Pack 150 and 1/8 NPT port)
Shock
100 g peak [11 ms]
Vibration
MIL-STD-810C, Figure 514.2-5, Curve AK, Table 514.2-V, Random Vibration Test
[overall g rms = 20.7 min.]
Compensated and operating temperature range:
0.5 Vdc to 4.5 Vdc ratiometric output
-40 °C to 125 °C [-40 °F to 257 °F]
all regulated and 4 mA to 20 mA outputs
-40 °C to 125 °C [-40 °F to 257 °F] See Figures 2 and 3 for operating area details.
Storage temperature range
-40 °C to 125 °C [-40 °F to 257 °F]
Approvals
UL Component Recognition for USA and Canada: File No. E258956
Table 3. Electrical Specifications (At 25 C [77 F] and at rated excitation unless otherwise specified.)
Parameter
Zero output
Full scale
span (FSS)
Excitation
Supply
current
Source
(nominal)
Sink
(nominal)
Supply
rejection ratio
Output
impedance
Ratiometric
(A)
0.5 Vdc
4 Vdc
(0.5 Vdc to 4.5 Vdc)
5 Vdc
(6 Vdc max.)
1
4 mA typ.
(8 mA max.)
1 mA
1 mA
at zero output
90 dB
25
max.
Current
(B)
4 mA
16 mA
(4 mA to 20 mA)
9.5 Vdc to
30 Vdc
2
N/A
N/A
N/A
90 dB
N/A
Regulated
(C)
1 Vdc
5 Vdc
(1 Vdc to 6 Vdc)
8 Vdc to
30 Vdc
2
5 mA typ.
(17 mA max.)
1 mA
1 mA
at zero output
90 dB
25
max.
Regulated
(D)
0.25 Vdc
10 Vdc
(0.25 Vdc to 10.25 Vdc)
14 Vdc to
30 Vdc
2
5 mA typ.
(17 mA max.)
1 mA
1 mA
at zero output
90 dB
25
max.
Regulated
(E)
0.5 Vdc
4 Vdc
(0.5 Vdc to 4.5 Vdc)
7 Vdc to
30 Vdc
2
5 mA typ.
(17 mA max.)
1 mA
1 mA
at zero output
90 dB
25
max.
Regulated
(G)
1 Vdc
4 Vdc
(1 Vdc to 5 Vdc)
8 Vdc to
30 Vdc
2
5 mA typ.
(17 mA max.)
1 mA
1 mA
at zero output
90 dB
25
max.
Notes:
1. Maintains ratiometricity at 5 ±0.25 Vdc excitation. Product can tolerate 6 Vdc excitation without damage.
2. See Figures 2 and 3 for more information regarding maximum excitation voltage vs. operating temperature.
2
www.honeywell.com/sensing
Table 4. Performance Specifications (At 25 C [77 F] and at rated excitation unless otherwise specified.)
Parameter
Characteristic
Response time
2 ms
1
Accuracy :
>100 psi
±0.25% FSS
<100 psi
±0.50% FSS
Total error band
2
:
Gage:
<300 psig
±3% FSS
>300 psig
±2% FSS
Seal gage:
>300 psis
±2% FSS
Seal gage without L, M, P termination:
100 psis to 299 psis (-40 °C to 85 °C [-40 °F to 185 °F])
±3% FSS
100 psis to 299 psis (>85 °C to 125 °C [>185 °F to 257 °F])
±10% FSS
>300 psis (-40 °C to 125 °C [-40 °F to 257 °F])
±2% FSS
Seal gage with L, M, P termination:
100 psis to 299 psis (-40 °C to 65 °C [-40 °F to 149 °F])
±10% FSS
100 psis to 299 psis (>65 °C to 125 °C [>149 °F to 257 °F])
±15% FSS
>300 psis (-40 °C to 65 °C [-40 °F to 149 °F])
±5% FSS
>300 psis (>65 °C to 125 °C [>149 °F to 257 °F])
±15% FSS
Notes:
1. Includes pressure non-linearity (BFSL), pressure hysteresis and non-repeatability. Thermal errors are not included.
2. Includes zero error, span error, thermal effect on zero, thermal effect on span, thermal hysteresis, pressure-non-linearity,
pressure hysteresis and non-repeatability.
Figure 2. Operating and Temperature Compensated Area
for All Regulated Output Options
Figure 3. Operating and Temperature Compensated Area for
4 mA to 20 mA Output
125
120
115
110
105
100
95
90
85
80
75
70
65
60
6
Operating Temperature (°C)
Operating Temperature (°C)
10 Ohm
Load
250 Ohm
Load
125
124
123
122
121
120
119
118
117
116
6
8
Operating and Temperature
Compensated Area for
Regulated Output
Operating and Temperature
Compensated Area for 4 mA
to 20 mA Output
10
12
14 16 18 20 22 24
Supply Voltage (Vdc)
26
28
30
8
10
12
14 16 18 20 22
Supply Voltage (Vdc)
24
26
28
30
Note:
The dashed line indicates the operating and temperature
compensated area with a 24 V supply.
Note:
The operating area is extended with a 250 Ohm resistor.
Higher loads extend the operating area. The dashed line
indicates the operating and temperature compensated area
with a 24 V supply using a 250 Ohm load.
Figure 4. Mounting Dimensions (For reference only. mm/(in).)
Pin and Wire Codes (Option B – Packard)
Pin
Voltage
Current
a
+ excitation
+ excitation
b
output
- excitation
c
common
no connection
A variety of pressure ports and electrical
termination connection options are available.
Refer to the “How to Order” on previous page for
possible combinations. Contact your Honeywell
representative for details.
Honeywell Sensing and Control
3
Nomenclature and Order Guide
1
MLH _ _ _
Series
Pressure
Range
psi
050 500
100 01K
150 02K
200 03K
250 05K
300 08K
bar
006 100
010 160
016 250
025 350
040 500
060 550
_
_
_ __
_
Output Signal
A = 0.5 Vdc to 4.5 Vdc ratiometric from 5 Vdc excitation
B = 4 mA to 20 mA
C = 1 Vdc to 6 Vdc regulated
D = 0.25 Vdc to 10.25 Vdc regulated
E = 0.5 Vdc to 4.5 Vdc regulated
G = 1 Vdc to 5 Vdc regulated
Pressure
01 = 1/4-18 NPT
Connection
3
02 = M12 x 1.5 (ISO 6149)
3
03 = M14 x 1.5 (ISO 6149)
04 = 3/8-24 UNF (SAE-3 O-ring boss)
3
05 = M18 x 1.5 (ISO 6149)
3
06 = 1/8 in-27 NPT
07 = 1/2 in-20 UNF (SAE-5 O-ring boss)
3
08 = M10 x 1 (ISO 6149)
3
09 = 1/4 in SAE female Schrader (7/16-20 UNF-2B internal thread)
10 = 7/16-20 UNF (SAE-4 O-ring boss)
3
11 = 1/2 in NPT
12 = 9/16-18 UNF (SAE-6 O-ring boss)
3
13 = R 1/4-19 BSPT (ISO 7-1 tapered thread)
14 = G 1/4-19 (DIN 3852-2)
3
15 = G 1/8 with O-ring groove
3
16 = M16 x 1.5 (ISO 6149)
3
17 = G 1/4 with O-ring groove
3
18 = G 1/8 (DIN 3852-2)
3
19 = R 1/8-28 BSPT (ISO 7-1 tapered thread)
20 = M20 x 1.5 (ISO 6149)
3
21 = 1/2-20 (SAE J514)
3
Unit
P = psi
B = bar
Measurement
Type
G = Gage (psi)
S = Sealed gage (psi)
4
Electrical
Termination
B = Delphi Metri-Pack 150
C = Hirschmann (mates with G4W1F)
D = M12 x 1 (Brad Harrison micro)
G = DIN 43650-C, 8 mm-male
H = Amp Superseal 1.5
2
L = Cable (1 m)
M = Cable (3 m)
P = Flying leads (20 AWG – 6 in)
T = Deutsch DTM04-3P (integral)
(Mating connectors are not supplied.)
Notes:
1. Not all combinations are
available. Minimum
quantity orders apply.
Additional pressure
ranges, port styles and
special calibration
versions are available.
Contact your local sales
representative for
assistance.
2. Available with “A” output
only.
3. Supplied with O-ring.
4.
Sealed gage devices are
not available for
pressure ranges below
100 psi.
WARNING
MISUSE OF DOCUMENTATION
The information presented in this product sheet is for
reference only. Do not use this document as a product
installation guide.
Complete installation, operation, and maintenance
information is provided in the instructions supplied with
each product.
Failure to comply with these instructions could result in
death or serious injury.
WARRANTY/REMEDY
Honeywell warrants goods of its manufacture as being free of
defective materials and faulty workmanship. Honeywell’s
standard product warranty applies unless agreed to otherwise
by Honeywell in writing; please refer to your order
acknowledgement or consult your local sales office for specific
warranty details. If warranted goods are returned to Honeywell
during the period of coverage, Honeywell will repair or replace,
at its option, without charge those items it finds defective.
The
foregoing is buyer’s sole remedy and is in lieu of all other
warranties, expressed or implied, including those of
merchantability and fitness for a particular purpose. In no
event shall Honeywell be liable for consequential, special,
or indirect damages.
While we provide application assistance personally, through
our literature and the Honeywell web site, it is up to the
customer to determine the suitability of the product in the
application.
Specifications may change without notice. The information we
supply is believed to be accurate and reliable as of this
printing. However, we assume no responsibility for its use.
WARNING
PERSONAL INJURY
DO NOT USE these products as safety or emergency stop
devices or in any other application where failure of the
product could result in personal injury.
Failure to comply with these instructions could result in
death or serious injury.
SALES AND SERVICE
Honeywell serves its customers through a worldwide network
of sales offices, representatives and distributors. For
application assistance, current specifications, pricing or name
of the nearest Authorized Distributor, contact your local sales
office or:
E-mail:
info.sc@honeywell.com
Internet:
www.honeywell.com/sensing
Phone and Fax:
Asia Pacific
+65 6355-2828
+65 6445-3033 Fax
Europe
+44 (0) 1698 481481
+44 (0) 1698 481676 Fax
Latin America
+1-305-805-8188
+1-305-883-8257 Fax
USA/Canada
+1-800-537-6945
+1-815-235-6847
+1-815-235-6545 Fax
Sensing and Control
Honeywell
1985 Douglas Drive North
Golden Valley, MN 55422
www.honeywell.com/sensing
008118-7-EN IL50 GLO Printed in USA
February 2011
Copyright © 2011. Honeywell International Inc. All rights reserved.
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