Technical data sheets .
Manometer
MP 120
KEY POINTS
- Easy to use
- Selection of units
- Adjustable backlight
- Manual autozero
- Hold-min-max function
- Air velocity measurement
TECHNICAL FEATURES
Measuring element
Piezoresistive sensor
Overpressure allowed
250 mbar
Connector
Ø 6.2 mm threaded connectors made of nickelled brass.
Display
4 lines, LCD technology. Sizes 50 x 36 mm.
2 lines of 5 digits with 7 segments (value)
2 lines of 5 digits with 16 segments (unit)
Housing
ABS, protection IP54
Keypad
5 keys
Conformity
Directives CEM 2004/108/CE and NF EN 61010-1
Power supply
4 batteries AAA LR03 1.5 V
Battery life
180 hours
Ambiance
Neutral gas
Operating temperature
From 0 to +50 °C
Storage temperature
From -20 to +80 °C
Auto shut-off
Adjustable from 0 to 120 min
Weight
220 g
FUNCTIONS
PRESSURE SPECIFICATIONS
Pressure measurement
Air velocity measurement
● Coefficient of the adjustable differential
pressure element
● Temperature and atmospheric pressure
compensation
●
Selection of units
●
Autozero Manual
● Hold function
● Display of minimum and maximum
values
●
Configurable auto shut-off
● Backlight
●
Measuring units
Measuring range
Accuracy
Pa, mmH2O inWg,
daPa, m/s, fpm
From -1000 to
+1000 Pa
±0.5% of reading ±2 Pa
1
Resolution
1 Pa
VELOCITY SPECIFICATIONS
Measuring units
Measuring
range
m/s, fpm, km/h
De 0 à 40 m/s
1
Accuracy1
From 2 to 5 m/s : ±0.7 m/s
From 5 to 40 m/s : ±0.5% of reading
±0,3 m/s
Resolution
0.1 m/s
All the accuracies indicated in this technical datasheet were stated in laboratory conditions, and can be guaranteed for measurements carried out in the same conditions, or carried out
with calibration compensation
*Except class 110 S
●
DIMENSIONS
SUPPLIED WITH
34.2 mm
Instruments are supplied with :
● Calibration certificate*
● 2x1 m de tube de silicone Ø 4 x 7 mm
● Stainless steel tip Ø 6 x 100 mm
● Transport case (ref : ST 110)
22 mm
147.9 mm
8.5 mm
6.2 mm
*Except class 110 S
ACCESSORIES
CQ 15 : Magnetic protective
housing
JTC ou JTY :Straight junctions, in T or
Y for tube Ø 5x8 mm
OPERATING PRINCIPLES
Piezorésistive sensor
The pressure deforms the silicon layer. This layer deformation generates a voltage at its
terminates. This voltage is proportional to the pressure applied
Pitot tubes: Different lengths, Ø 3/6 or
8mm, bent or straight
Voltage
Pressure
+
+
+
+
+
+
+
-
MT 51 : ABS transport
case
Vacuum
MAINTENANCE
Silicon layer
Pitot tube
Dynamic pressure is measured by Pitot tube:
Pd = Total pressure (Pt) – Static pressure (Ps)
Air velocity is calculated according to Bernoulli
simplified formula.
Formula with temperature correction :
Vm/s = K x
574,2  + 156842,77 x
P0
P
en Pa
Total pressure
Static pressure
Pressure sensor
Po = Barometric pressure in Pa
 = Temperature in °C
K = Pitot tube coefficient
We carry out calibration, adjustment and
maintenance of your instruments to
guarantee a constant level of quality of
your measurements. As part of Quality
Assurance Standards, we recommend you
to carry out a yearly checking.
GUARANTEE
Instruments have 1-year guarantee for any
manufacturing defect (return to our AfterSales Service required for appraisal).
FTang_portable –MP120 – 08/07/14 – RCS (24) Périgueux 349 282 095 Document non contractuel – Nous nous réservons la possibilité de faire évoluer les caractéristiques de nos produits sans préavis.
71.5 mm
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