AK-4/100 Automatic Mass Comparators

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Product code: WL-413-0004

Application: Automatic mass comparator AK-4/100 series is intended to automatic determination of weights mass deviations with operator’s activity limited to the minimum. The comparator enables determining deviations of three tested weights in a single cycle. AK-4/100 is designed to compare weights from 10 g to 100 g. The instrument is commonly applicable in mass measuring laboratories, and particularly in certification units for weights classes E and F. Design and functionality: The supervising part of the mass comparator is a digital module which cooperates with a controller of instrument’s mechanical components. The digital module and the automatic loader are located in mass comparator’s weighing chamber. The instrument is operated by means of digital display which is plugged to mass comparator’s controller. The supervising elements are not integrated with mass comparator’s mechanical parts, thus enabling separation of instrument’s weighing chamber from ambient conditions influence.

E1	10 g ÷ 100 g
E2	10 g ÷ 100 g
F1	10 g ÷ 100 g
F2	10 g ÷ 100 g
M1	-
M2	-
Maximum capacity [Max]	110 g
Readability [d]	0.001 mg
Repeatability (5% Max)	0.002 mg (10 g)
Repeatability (Max)	0.002 mg (100 g)
Eccentricity (tested load)	0 mg
Electric compensation range	-1 g ÷ +10 g
Stabilization time	30 s
Adjustment	external
Supplementary weights internal	half automatic
Supplementary weights external	-
Magazine positions	4
Power supply	100 ÷ 240 V AC 50 / 60 Hz
Operating temperature	+15 ÷ +30 °C
Working temperature change rate	±0.5°C/12h (±0.3°C/4h)
Atmospheric humidity	40% ÷ 60%
Atmospheric humidity change rate	± 2 % / 4 h
Weighing pan dimensions	ø30 mm
Weighing device dimensions	385×215×600 mm
Controling device dimensions	206×140×70 mm
Anti-draft chamber dimensions	560×340×665 mm
Packaging dimensions	860×800×560 mm
Chamber packaging size	950×420×630 mm
Net weight	45.8 kg
Gross weight	65.8 kg

Repeatability is expressed as a standard deviation determined for 6 ABBA cycles. Standard deviation is experimentally determined under ambient conditions for calibration of E1 class mass standards specified in OIML R111 (Table C.1.) document.

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Technical specification

Publications and teaching materials

User Manual
(1.93 MB)

Data Sheet
(1.08 MB)

RMCS
(2.95 MB)

THBR System 2.0
(5.24 MB)

Detection of vibrations at the electronic balances workstation
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Automatic Comparison of Weights and Mass Standards 2017
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Principles_of_metrology
(0.10 MB)

Guidelines for a weighing room for correct microbalance and mass comparator operation
(0.82 MB)

Mass Comparators
(12.00 MB)

AK-4/100 Automatic Mass Comparators

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