www.rinstrum.
com 1 R400-702-200
M
m
Hold & Peak Hold Hold & Peak Hold
Weight Indicator
General Purpose - R420-K402
Description
The R420-K402 indicator is a
comprehensive general purpose
indicator designed with both the
installer and operator in mind.
Flexibility is the key with its
award winning modular accessory
design. Modules include:
additional serial options,
input/outputs, analogue outputs,
external buttons and battery or
AC option.
The robust I/O has been
designed for direct connection
into PLCs.
Powerful product configuration
allows for parameters like setpoint
targets, piece weights and units
conversions to be stored for each
product.
Simple setup through a menu
system, either directly using the
alpha numeric keypad or through
our Viewer programme on a PC.
Operator friendly, with a large
two line display using logical
prompts, and dedicated and
programmable function keys.
Printing can be tailored with
custom record, docket or reports
printouts.
Applications
Weighbridges
Floor scales
Goods receiving
and shipping
Parts counting
Silo weighing
Process control
Features
100,000 div @ 0.25 V/Div
16 x 350 cells
On-board serial outputs
Custom printing, auto output
Counting with piece weight entry
Programmable unit conversion
3 assignable function keys
8 set points
32 input/output (option)
Analogue module with isolated
outputs (option)
Product storage
Battery and AC option
Trade approved to 10,000 div
Order Codes
Indicator, VDC,
Panel Mount, ABS
R420-K402-A
Upgrade Kit, to
K402,
K402
Refer to R420
Family Accessories
R420-K402-A +
M4001
R420-K402-A +
modules
Alarm
Scale Base
Printer
Remote Display
Computer
M
Motor
Analogue 4-20mA
External Button
PLC
Rel ay Modul e
www.rinstrum.com 2 R400-702-200
Weight Indicator Dimensions in mm (1 inch = 25.4 mm)
Front View
Side View
Back View
Side View With Boot and Stand
Specifications
Approvals Functions
Australia NMI(S-418) 10,000 Divs. @ 0.7V/Div Counting with Piece Weight Entry,
EU OIML R76, 10,000 Divs. @ 0.7V/Div Clock Calendar, 4/6 Wire
C-Tick, CE & FCC Custom Unit Switching,
Physical Hold & Peak Hold
Display Type LCD display;LED backlight Custom Printing, Auto Output
Digit Size 29mm Primary,18mm Secondary Optional extra Serial Ports
Keypad 23 Silicon Keys Optional Analogue Output
Power Switch Front Panel with Memory Performance
Housing ABS Plastic IP65 front only Zero Cancellation +/- 2.0mV/V
Dimensions 246(W) x 121(H) x 36(D) mm Span Adjustment 0.1mV/V to 3.0mV/V
Pack Weight 0.70 kg A/D Type 24bit Sigma Delta with 8,388,608
internal counts
Function Keys 3 Fixed, 3 Programmable
Power Stability/Drift
DC 12-24 VDC Zero < 0.1 V/ C
(+ 10ppm of deadload max)
AC 110-240 VAC (Acc) Span < 10 ppm/ C
Battery 12V 2.5Ah NiMH (Acc) Linearity < 20ppm
Load cell Noise < 0.2 Vp-p
Excitation 7.4V DC Operating
Environment
Drive 16 x 350 ohm Temperature 10 to +50 C ambient
Sensitivity 100,000 div @ 0.25 V/Div Humidity <90% non-condensing
Linearisation 10 points Storage 20 to +50 C ambient
Range Single/Dual Range, Dual Interval
Features Mounting
Serial 1A RS232 Panel mount standard
Serial 1B RS485 TX Only Desk and pole (opt)
Accessory Slots 4
Input/Output 16 I/O + 4 Inputs (opt)
Set Points 8
