PIN LOAD CELL TYPE PR0 pages

CELMI s.r.l. Largo Brugnatelli 13/16 20090 BUCCINASCO (MI) ITALY
Tel+39-0245712209 Fax+39-0245705836 Internet:www.celmi.com
PIN LOAD CELL
TYPE PR
APPLICATIONS
The pin type load cell model PR is mainly foreseen for applications on cranes weighing systems or, in general, where the load applied on a pin have to be measured. Typical applications are:
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Crane overload control
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Rope load, belt tension measurement, etc.
MAIN FEATURES
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Immersion proof construction
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Stainless steel plasma welded construction
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Available with double bridge output (for redundant system)
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Available with output (CIA 404)
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Available with analog output 4-20mA
NOMINAL LOAD : from 500 Kg to 100 Tons
SPECIFICATION IN ACCORDING TO VDI/VDE 2637
METROLOGICAL CHARACTERISTICS
Nominal load
Ln
t
0,5÷100
Initial load
Lp
% Ln
5
Maximum load
Ll
% Ln
260
Linearity (Best line)
Flin
±% Ln
0,5
Hysteresis
Fu
±% Ln
0,05
Repeatability
Fv
±% Ln
0,04
Creep 30'
Fcr
±% Ln
0,03
Nominal temperature range
Btn
°C
-10 +40
Zero temp. coefficient (10°C)
TK0
±% Cn
0,2
Output temp. coefficient (10°C)
TKC
+% Cn
0,6
Ambient pressare effect
Fpr
%Ln/KPa
0
ELECTRICAL DATA
Output signal at nominal load
Cn
mV/V
1
Supply voltage nominal range
Bsu
V
5-12
Maximum supply voltage
US max
V
15
Input impedante
Re
Ù
350±1%
Output impedante
Ra
Ù
350±1%
Insulation resistance @ 50V
Ris
M Ù
>1000
Zero signal output
D0
mV/V
±0,05
MECHANICAL DATA
Breaking load
Ld
% Ln
>500
Nominal deflection
Hn
mm
<0,2
Cable lengt
m
3
ENVIROMENTAL CONDITIONS
Working temperature range
Btu
°C
-10 +40
Storage temperature range
Bts
°C
-40 +85
Housing protection
IP-68
All the characteristics depend on the mounting conditions