U2A...
Load cell
Max. capacities:
50kg...20t
Dimensions (in mm; 1mm = 0.03937 inches)
U2A, Max. capacities 50kg...20t; U2-E, Max. capacities100kg...20t
Special features
• Load cells made of
corrosion-resistant materials
• Suitable for scales according to
OIML R60 up to 1000d
• Six wire circuit
• Low profile
• For tensile loads
• Meets EMC requirements
according to EN 45 501
• Options available:
-- Explosion-proof model
-- Service temperature range
up to 120°C [ 248°F]
View from above
a.f.
a.f.
Max. cap. [t] A
0.05...1 50 72 21 24 22 5*) M12 6 19 20 35
2 90 112 33 38 25 10.6 M20x1.5 10 30 30 50
5 100 141 40 47 25 13.2 M24x2 12 36 30 50
10 135 197 68 67 26 19 M39x2 19 60 30 50
20 155 232 82 85 26.5 24.2 M48x2 22 70 30 50
*)
with U2A/1t: 7.4mm
-0,2
B C E K L
approx. 18.5
min
M O a.f. X Y
Data sheet D 21.U2A.2e
Technical Data
Typ e U2A
Accuracy class 0.2 0.1 D1
Max. numbers of load cell verific. interv. (nLC) -- -- 1000
Max. capacity (E
Minimum load cell verification interval (v
Sensitivity (Cn) mV/V 2
Tolerance on sensitivity
with tensile loads
with compressive loads % <+1.50 <+0.50 <+0.50
Temperature effect on sensitivity (TKC)
in nominal temperature range
in service temperature range
Temperature effect on zero balance (TK0)
in nominal temperature range
in service temperature range
Hysteresis error (dhy) % <+0.15 <+0.05
Non-linearity (d
Creep (dcr)over30min. % <+0.06 <+0.05
Input resistance (RLC) Ω
Output resistance (R0) Ω
Reference excitation voltage (U
Nominal range of excitation voltage (Bu) V 0.5...10 0.5...12
Insulation resistance (R
Nominal temperature range (BT)
Service temperature range (Btu)
Storage temperature range (Btl)
Safe load limit (EL) %
Breaking load (Ed) %
Lateral load limit (Elq) %
Permissible dynamic load (F
(peak to peak according to DIN 50100)
Protection class (IP) to EN 60 529 (IEC 529) IP67
Material: Measuring body Stainless steel
1)
Optionally available with extended service temperature range.
) kg
max
) -- -- 0.0286
min
t
50
100, 200, 500
--
10, 20
% <+0.20 <+0.20
%/10K
%/10K
%/10K
%/10K
) % <+0.20 <+0.10 <+0.05
lin
<+0.05
0.10
<+
<+0.05
0.10
<+
340...450
356+0.2
) V 5
ref
) GΩ >5
iso
oC[o
F] -10...+40 [14...104]
oC[o
F] -30...+85 (-30...+120)1)[-22...185] [-22...248]
oC[o
F] -50...+85[-58...185]
130 150
300
25
100 160
srel
from
max. capac.
from
max. capac.
from
max. capac.
)
%
from
max. capac.
Cable gland Nickel plated brass, Silicone
Cable sheath Thermoplast. elasomere
500
1, 2, 5
<+0.05
0.10
<+
<+0.04
0.10
<+
Mechanical values
Max. capacity [t] Deflection at max. capacity
0.05 <0.1 0.8 3
0.1 <0.1 0.8 3
0.2 <0.1 0.8 3
0.5 <0.1 0.8 3
1 <0.1 0.8 3
2 <0.07 2.9 6
5 <0.07 4.3 6
10 <0.09 10.7 12
20 <0.09 15.9 12
(s
), approx. [mm]
nom
Weight (G), approx. [kg] Cable length [m]
Mounting accessories (in mm; 1mm = 0.03937 inches)
Knuckle eye ZGOW Knuckle eye ZGUW
Centre of
bearing
a.f.
a.f.
Max. cap.
[t]
Knuckle eye
ZGOW
0,05...1 U2A/1t/ZGOW 0,2 22 12
2 U2A/2t/ZGOW 0,5 33 20
5 U2A/5t/ZGOW 0,8 42 25
10 U2A/10t/ZGOW 3,2 50
20 U2A/20t/ZGOW 4,8 60
Max. cap.
[t]
Knuckle eye
ZGUW
0,05...1 U2A/1t/ZGUW 0,1 33 12
2 U2A/2t/ZGUW 0,2 47 20
5 U2A/5t/ZGUW 0,4 57 25
10 U2A/10t/ZGUW 1,1 65,5
20 U2A/20t/ZGUW 3,2 80
Weight
[kg]
Weight
[kg]
A ∅B D F G H ∅K M a.f. W
50
60
H7
H7
H7
+0,002
-0,014
+0,003
-0,018
32 50 66 12 22 M12 19 16
50 77 102 18 34 M20x1,5 32 25
60 94 124 22 42 M24x2 36 31
115 151 212,5 28 65 M39x2 60 35
126 167 235 36 82 M48x2 70 44
A ∅B D F G H M a.f. W X
50
60
H7
H7
H7
+0,002
-0,014
+0,003
-0,018
32 54 70 12 M12 19 16 7
50 78 103 18 M20x1,5 32 25 9
60 94 124 22 M24x2 36 31 10
115 148,5 210 28 M39x2 60 35 16
126 168 236 36 M48x2 70 44 18
Load cell U2A with monted knuckle eyes ZGOW, ZGUW
Centre of
bearing
Max. capa-
city [t]
A
minAmaxFminFmax
Min. depth for
screwing
B C
0,05...0,5 139 156 171 188 9,6 9,6
1 141 156 173 188 9,6 9,6
2 212 234 262 284 16 16
5 260 288 320 348 19,2 19,2
10 418 436 541 559 27 31,2
20 466 489 602 625 36,6 38,4
Mounting accessories, Continuation (in mm; 1mm = 0.03937 inches)
Base plate (from
U2A, with ZGOW,
without adaptor
Drawing turned
by 45° resp. 22.5°
*
*Dimension, with preferred screwing depth
Max. capacity [t] D ∅G H J K ∅S MA[Nm]
0,05...0,5 47 42 4xM5 13 84...86,4 34 5
1 47 42 4xM5 13 86,4 34 5
2 72 70 4xM10 20,5 131,6 55 35
5 86 78 4xM12 19 158,2 61 60
10 122 105 8xM12 16 244 79 60
20 142 125 8xM16 26 270,2 97 150
customer)
Options
D Explosion-proof models
--For use in intrinsically safe circuits of class EEx ia IIC T4
--Flameproof enclosure (Ex) d3n G5 (PTB-no. III B/E-3007) for rated capacities from 100kg,
type designation U2-E
D Service temperature range extended to 120°C [248°F]
Accessories, to be ordered separately:
Knuckle eye U2A, above, U2A/.../ZGOW
Knuckle eye U2A, lower, U2A/.../ZGUW
Hottinger Baldwin Messtechnik GmbH
Im Tiefen See 45, D--64293 Darmstadt, Germany
Tel.: +49 (0)6151 / 803 0; Fax: +49 (0)6151 / 803 9 100
www.hbm.com; e--mail: support@hbm.com
Modifications reserved.
All details describe our products in
general form. They are not to be
understood as express warranty and do
not constitute any liability whatsoever.
wt 03.01 -- (pdf)
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