Precision balances enable fast and accurate determination of mass in laboratory and industry. The devices are equipped with an internal battery which allows their operation in places where there is no access to the mains.
The balance features a stainless steel weighing pan, and a backlit LCD guaranteeing clear weighing result presentation.
Communication interfaces: 2×RS232, USB type A, USB type B. The interfaces enable cooperation with peripheral devices, e.g. printer, computer, USB flash drive, additional display. The WLC balances feature real-time clock and ALIBI memory. Optionally, they can be equipped with 4 IN / 4 OUT.
FUNCTIONS
TECHNICAL FEATURES
WLC 1/A2 | WLC 2/A2 | WLC 6/A2 | WLC 10/A2 | WLC 20/A2 | WLC 6/F1/K WLC 6/F1/R |
WLC 12/F1/K WLC 12/F1/R |
WLC 30/F1/K WLC 30/F1/R |
WLC 60/C2/K WLC 60/C2/R |
WLC 120/C2/K WLC 120/C2/R |
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Maximum capacity [Max] | 1 kg | 2 kg | 6 kg | 10 kg | 20 kg | 6 kg | 12 kg | 30 kg | 60 kg | 120 kg |
Minimum load | — | — | 5 g | — | — | 5 g | — | — | 50 g | — |
Readability [d] | 0.01 g | 0.01 g | 0.1 g | 0.1 g | 0.1 g | 0.1 g | 0.2 g | 0.5 g | 1 g | 2 g |
Verification scale interval [e] | — | — | 1 g | — | — | 1 g | — | — | 10 g | — |
Tare range | –1 kg | –2 kg | –6 kg | –10 kg | –20 kg | –6 kg | –12 kg | –30 kg | –60 kg | –1 20 kg |
Repeatability* | 0.01 g | 0.01 g | 0.1 g | 0.1 g | 0.1 g | 0.1 g | 0.2 g | 0.5 g | 1 g | 2 g |
Linearity | ±0.03 g | ±0.03 g | ±0.2 g | ±0.3 g | ±0.3 g | ±0.2 g | ±0.6 g | ±1.5 g | ±3 g | ±6 g |
Stabilization time | 3 s | 3 s | 3 s | 3 s | 3 s | 3 s | 3 s | 3 s | 3 s | 3 s |
Adjustment | — | — | external (2 stages) | — | — | external (2 stages) | — | — | external (2 stages) | — |
Verification | — | — | yes | — | — | yes | — | — | yes | — |
OIML Class | — | — | II | — | — | II | — | — | II | — |
Display | LCD (with backlight) | LCD (with backlight) | LCD (with backlight) | LCD (with backlight) | LCD (with backlight) | LCD (with backlight) | LCD (with backlight) | LCD (with backlight) | LCD (with backlight) | LCD (with backlight) |
Keypad | 6 keys | 6 keys | 6 keys | 6 keys | 6 keys | 5 keys | 5 keys | 5 keys | 5 keys | 5 keys |
Protection class | IP 43 | IP 43 | IP 43 | IP 43 | IP 43 | IP 43 | IP 43 | IP 43 | IP 43 | IP 43 |
Indicator fastening | – | – | – | – | – | 1 m cable connection (K), direct connection (R) | 1 m cable connection (K), direct connection (R) | 1 m cable connection (K), direct connection (R) | 2.5 m cable connection (K), direct connection (R) | 2.5 m cable connection (K), direct connection (R) |
USB-A | 1 | 1 | 1 | 1 | 1 | – | – | – | – | – |
USB-B | 1 | 1 | 1 | 1 | 1 | – | – | – | – | – |
RS 232 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 |
Wi-Fi® ** | 802.11 b/g/n | 802.11 b/g/n | 802.11 b/g/n | 802.11 b/g/n | 802.11 b/g/n | 802.11 b/g/n | 802.11 b/g/n | 802.11 b/g/n | 802.11 b/g/n | 802.11 b/g/n |
IN/OUT** | 4 × IN, 4 × OUT | 4 × IN, 4 × OUT | 4 × IN, 4 × OUT | 4 × IN, 4 × OUT | 4 × IN, 4 × OUT | 1 | 1 | 1 | 1 | 1 |
Power consumption | 6 W | 6 W | 6 W | 6 W | 6 W | 6 W | 6 W | 6 W | 6 W | 6 W |
Power supply | 100 ÷ 240 V AC 50 ÷ 60 Hz / 12 V DC + battery |
100 ÷ 240 V AC 50 ÷ 60 Hz / 12 V DC + battery |
100 ÷ 240 V AC 50 ÷ 60 Hz / 12 V DC + battery |
100 ÷ 240 V AC 50 ÷ 60 Hz / 12 V DC + battery |
100 ÷ 240 V AC 50 ÷ 60 Hz / 12 V DC + battery |
100 ÷ 240 V AC 50 ÷ 60 Hz / 12 V DC + battery |
100 ÷ 240 V AC 50 ÷ 60 Hz / 12 V DC + battery |
100 ÷ 240 V AC 50 ÷ 60 Hz / 12 V DC + battery |
100 ÷ 240 V AC 50 ÷ 60 Hz / 12 V DC + battery |
100 ÷ 240 V AC 50 ÷ 60 Hz / 12 V DC + battery |
Operation time on batteries | 15 h | 15 h | 15 h | 15 h | 15 h | 10 h | 10 h | 10 h | 10 h | 10 h |
Operating temperature | +15 ÷ +30 °C | +15 ÷ +30 °C | +15 ÷ +30 °C | +15 ÷ +30 °C | +15 ÷ +30 °C | +15 ÷ +30 °C | +15 ÷ +30 °C | +15 ÷ +30 °C | +15 ÷ +30 °C | +15 ÷ +30 °C |
Atmospheric humidity*** | 10 ÷ 85% RH | 10 ÷ 85% RH | 10 ÷ 85% RH | 10 ÷ 85% RH | 10 ÷ 85% RH | 10 ÷ 85% RH | 10 ÷ 85% RH | 10 ÷ 85% RH | 10 ÷ 85% RH | 10 ÷ 85% RH |
Weighing pan dimensions | 195 × 195 mm | 195 × 195 mm | 195 × 195 mm | 195 × 195 mm | 195 × 195 mm | 300 × 300 mm | 300 × 300 mm | 300 × 300 mm | 400 × 500 mm | 400 × 500 mm |
Weighing device dimensions | 333 × 206 × 97 mm | 333 × 206 × 97 mm | 333 × 206 × 97 mm | 333 × 206 × 97 mm | 333 × 206 × 97 mm | 445 × 300 × 70 mm | 445 × 300 × 70 mm | 445 × 300 × 70 mm | 547 × 502 × 103 mm | 547 × 502 × 103 mm |
Net weight | 2.8 kg | 2.8 kg | 2.8 kg | 2.8 kg | 2.8 kg | 5.2 kg | 5.2 kg | 5.2 kg | 12.5 kg | 12.5 kg |
Gross weight | 4.3 kg | 4.3 kg | 4.3 kg | 4.3 kg | 4.3 kg | 6 kg | 6 kg | 6 kg | 15 kg | 15 kg |
Packaging dimensions | 470 × 380 × 336 mm | 470 × 380 × 336 mm | 470 × 380 × 336 mm | 470 × 380 × 336 mm | 470 × 380 × 336 mm | 570 × 390 × 170 mm | 570 × 390 × 170 mm | 570 × 390 × 170 mm | 720 × 580 × 220 mm | 720 × 580 × 220 mm |
* repeatability is expressed as a standard deviation from 10 weighing cycles | ||||||||||
** optional solution | ||||||||||
*** non-condensing conditions |