Product Description
DETECTO’s 420 series digital precision balance scales are class II legal for trade and can be used for weighing herbs, cannabis, gourmet coffee and tea shops, jewels, and precious metals (gold and silver) in retail business with 10, 20, or 50 mg precision. The 420 series is NTEP and OIML legal for trade (excluding models 420-100 and 420-2000) and features a built-in rechargeable battery included and eight different units of measure. The scales come with a removeable air shield for precise measurement (included with all models except 420-3000). The stainless steel platform size is 5.7 in W x 4.5 in D (145 mm W x 115 mm D) for all models, except for the model 420-3000, which has a larger platform: 7.4 in W x 5.8 in D (188 mm W x 148 mm D). Overall scale dimensions are 8.6 in W x 11.5 in D x 3.2 in H (219 mm W x 292 mm D x 80 mm H).
DETECTO’s 420 series scales weigh in grams, kilograms, metric carats, avoirdupois drams, avoirdupois ounces, avoirdupois pounds, grains, and penny weight. The scales features counting mode, accuracy to 10 milligrams, RS232 serial port for printer output, polycarbonate body with stainless steel tray, nearly one-inch-high (23-mm-high) bold digits with blue backlight, and they are intuitive and easy to use.
The scales can be used used for weighing chemicals, powders in laboratories (schools, universities, industrial, and agricultural), hospital use weighing blood bags (blood and blood components), patient medical waste samples, pill counting in hospital pharmacies, ingredients for recipe making, baking (especially pastry shops), soap making, inventory counting for small high value items (electronic components, jewels) with 10, 20, or 50 mg precision, and counting prize tickets and game coins (tokens) at gaming centers.
Capacity and Division Value
420-100: 100 g x 0.01 g
420-2000: 2000 g x 0.02 g
Capacity x Verification Interval “e” / Division “d”
420-600: 600 g x e = 0.1 g / d = 0.01 g
420-1200: 1200 g x e = 0.2 g / d = 0.02 g
420-3000: 3000 g x e = 0.5 g / d = 0.05 g
Weight Display: Seven-digit, seven segment LCD, 0.9-inch (23 mm) high digits with blue backlight
Functions: Weight, Counting
Keys: ON/OFF, TARE, ZERO, SMPL (Sample), CAL (Calibration), UNIT, and PRINT
Units of Measures: grams, kilograms, metric carats, avoirdupois drams, avoirdupois ounces, avoirdupois pounds, grains, and penny weight
Communication Interface: RS232
Power Requirements: Built-in rechargeable battery (6V DC/2.8 Ah) or 100 to 240V AC 50/60Hz 12V DC 1000 mA wall plug-in UL/CSA listed AC power adapter
Battery Length: 6V DC, 2.8 Ah built-in rechargeable battery can operate for up to 20 hours of continuous use with a fully charged battery
Tare: 100% of scale capacity
Enclosure Type: Polycarbonate body with SUS304 stainless steel tray
Net Weight: 4 lb (1.8 kg) for all models (minus air shield), except for model 420-3000: 4.7 lb (2.1 kg)
Shipping Weight: 6.8 lb (3.1 kg)
Dimensions: 8.6 in W x 11.5 in D x 3.2 in H (219 mm W x 292 mm D x 80 mm H)
Dimensions with Air Shield: 8.6 in W x 11.5 in D x 6.9 in H (219 mm W x 292 mm D x 176 mm H)
Tray Size:
420-3000: 7.4 in W x 5.8 in D (188 mm W x 148 mm D)
All other models: 5.7 in W x 4.5 in D (145 mm W x 115 mm D)
Operating Environment
Temperature Range: 50 to 104 ºF (10 ºC to 40 ºC)
Humidity: 40 to 85%
Storage Environment
Temperature Range: 50 ºF to 86 ºF (10 ºC to 30 ºC)
Humidity: 0 to 95%
Approvals (Models 420-600, 420-1200, 420-3000):
NTEP – Certificate of Conformance No. 20-049
OIML – R76/2006-A-DK2-2020.09
