Operating instructions
27
27
6  Technical data, optional equipment
6.1  Technical data
Materials
•  Housing: die-cast aluminum, painted
•  Weighing pan: 
Chromium-nickel steel X2CrNiMo 17 13 2 (1.4404)
Protection
•  Protected against dust and water
•  Pollution degree: 2
•  Installation category: class II
•  EMC: see declaration of conformity 
(separate brochure 11780294)
Ambient conditions 
The technical data are valid unter the following ambient 
conditions:
•  Ambient temperature  10 °C … 30 °C
•  Relative humidity  15 % … 80 % at 31°C
    linear decreasing to
    50 % at 40 °C 
  noncondensing
Operability is assured at ambient temperatures
between 5 and 40 ºC.
Standard equipment of JB balances
•  Protective cover, transparent, made from Barex
•  AC adapter to national codes 
100–240 V, 50-60 Hz, 0.3 A / 12 VDC, 0.84 A
  Balance power input: 8–14.5VAC, 50/60Hz, 6VA 
or 9.0–20 VDC, 6W
•  Built-in RS232C interface
•  Draft shield with JB-C models
•  All models can weigh below balance.
    JB703-L-C  JB1203-L-C  JB1603-L-C  JB2503-L-C5
 1)
  JB2502-L-C 
2)
Technical data carat balances  JB703-C/FACT  JB1203-C/FACT  JB1603-C/FACT  JB2503-C5/FACT
 1) 
JB2502-C/FACT 
2)
Readability  0.001 ct / 0.001 g  0.001 ct / 0.001 g  0.001 ct / 0.0001 g  0.005 ct / 0.001 g  0.01 ct / 0.001 g
Maximum Load  700 ct / 140 g  1200 ct / 240 g  1600 ct / 320 g  2550 ct / 510 g  2550 ct / 510 g
Taring Range  0 … 700 ct  0 … 1200 ct  0 … 1600 ct  0 … 2550 ct  0 … 2550 ct
Repeatability (sd)  0.001 ct / 0.001 g  0.001 ct / 0.001 g  0.001 ct / 0.0001 g  0.005 ct / 0.001 g  0.005 ct / 0.001 g
Linearity  0.001 ct / 0.001 g  0.001 ct / 0.001 g  0.002 ct / 0.0004 g  0.005 ct / 0.002 g  0.005 ct / 0.002 g 
Sensitivity drift (10 °C … 30 °C)  2.5 ppm/ °C  2.5 ppm/ °C  2.5 ppm/ °C  6 ppm/ °C  6 ppm/ °C
Typical stabilization time  3 s  3 s  4 s  3 s  3 s   
Adjustment weight  JB-L-C  100 g, external 
3)
  200 g, external 
3)
  200 g, external 
3)
  200 g, external 
3)
  200 g, external 
3)
    JB-C/FACT  built-in  built-in  built-in  built-in  built-in
Backlight  yes  yes  yes  yes  yes
External dimensions of balance (W/D/H)  245/321/280 mm  245/321/280 mm  245/321/280 mm  245/321/280 mm  245/321/280 mm
External dimensions of packaging  381/436/495 mm  381/436/495 mm  381/436/495 mm  381/436/495 mm  381/436/495 mm 
(W/D/H)  (0.082 m
3
)  (0.082 m
3
)  (0.082 m
3
)  (0.082 m
3
)  (0.082 m
3
)
Weighing pan  ø 80 mm  ø 80 mm  ø 80 mm  ø 100 mm  ø 100 mm
Max. height above weighing pan  165 mm  165 mm  165 mm  165 mm  165 mm
Net weight (with packaging)  5.9 kg (8.6 kg)  5.9 kg (8.6 kg)  5.9 kg (8.6 kg)  5.9 kg (8.6 kg)  5.9 kg (8.6 kg)
1) 
no certified models available 
2)
 only certified models available 
3)
 included










