Compression Ring Load Cells

 

BR Compression Ring Load Cells

Features
Specification

 

Compact low profile, stainless steel throughout
Hermetically sealed, conforming to EEC protection standard IP68
Hermetically sealed cable entry, proof against water jet cleaning, and ingress of dirt etc.
Automatically accepts concentric & eccentric loading forces
Overload protection
Suitable for scales complying ECC class III calibration rules & regulations
IML R60 / PTB Certification, to 4000 division
Allows parallel wiring of multi load cell applications
Capacities range 0,5 to 50 tons
EEx(i)-version for intrinsically safe areas, optional







All data stored at nominal temperature range.
Capacity (= Emax)
Ln
t
0,5 / 1 / 2 / 3 / 5 / 10 / 30 / 50
Type / Accuracy Class according to OIML R60
BR / D1
BR / C3
Maximum number of verification intervals
nmax
1000
3000
Minimum verification interval
Vmin
Emax /3500
Emax /14000
Temperature coefficient sensitivity
TKc
%/ 10K
<0,035
<0,012
Temperature coefficient zero
TK0
%/ 10K
<0,040
<0,010
Combined error
Fcomb
%
<0,080
<0,018
Hysteresis
Fu
%
<0,050
<0,017
Minimum dead load output return
CMDLOR
%
<0,050
<0,017
Maximum permissible change(mpc) for creep: 0 - 30 minutes
Cc
%
<0,0420
<0,0210
Maximum permissible change(mpc) for creep: 20 - 30 minutes
Cc
%
<0,0090
<0,0045
Nominal sensitivity
Cn
mV / V
2
Sensitivity tolerance
Z
%
< + 1
Input resistance
Re
Ohm
1160 ¡Ó 60
Output resistance
Ra
Ohm
1015 ¡Ó 65
Insulation resistance
Ris
G Ohm
> 20
Reference input voltage
Usr
V
10
Maximum voltage supply
Usmax
V
30
Maximum dead load
UDe,min
%Emax
0
Maximum load with damage
Ll
%Emax
150
Destructive load
Ld
%Emax
> 500
Rel.static limit concentric & eccentric
Llq
%Emax
75
Load cell deflection at nominal load
hn
mm
<0,08 ¡Ó 0,02
Reference temperature
tr
¢XC
23
Nominal temperature range
Btn
¢XC
- 10 ...+ 40
Temperature range
Bt
¢XC
- 30...+ 85
Storage temperature range
Bts
¢XC
- 50...+ 95
EEC protection class 9DIN 40050, EN 60529) Hermetically sealed, laserwelded housing IP 68 / 1m water pressure, 1000hours, IP69K (water under high pressure)
Material High-grade stainless steel 17/4 PH, polished
EEx(i) Certification EEx ib IIC T6
Cable 6-wir-PUR-cable Ø 6,5 mm, screened