Product outline

F741R2 is a desktop type loadcell indicator that can be used for any type of platform scale. The most important features include field operability such as a large display tube, which is easy to read even in harsh environments, and maneuverable one-touch function keys. With the counting function to display the parts quantity, the HI/LO limit comparison function conveniently used for checkers, and the multi-interval function, F741R2 is an indicator excellent in cost effectiveness.


Analog section
Excitation voltage 10V DC ±5%, Output current; within 120mA,
Ratiometric method (Up to 4 loadcells at 350Ω are parallel-connectable.)
Zero adjustment range ±2mV/V
Gain adjustment range 0.5 to 3.0mV/V
Min. input sensitivity 0.5μV/count
Accuracy Non-linearity: within 0.01% FS
Zero drift: within 0.2μV/°C RTI
Gain drift: within 15ppm/°C
Noise: within 0.3μVp-p RTI
A/D converter Speed: 50 times/sec.
Resolution: 16bit (binary)
Min. display resolution 1/10000
Setting section
Setting method Keyboard operation (membrane switch with a key click buzzer)
Setting value storage NOV RAM (Non-volatile RAM)
Setting value protection Setting operation can be locked to prevent unauthorized modifications of default values and calibration by malfunction
Setting items Tare setting, unit weight setting, near zero, high limit, Low limit, digital filter, motion detect, zero tracking, comparison setting, auto printing, counting mode select, external terminal change, balance weight value, capacity, min. scale division, zero regulation value, decimal place, count of display, gravitational acceleration, RS-232C setting, function inhibit key, setting value LOCK, quantity setting, interval border, measurement law-NTEP compliance
I/O section
External input signal Tare subtraction, tare subtraction reset, zero, gross/net weight change, printing
ON when shorted to COM terminal by contact (relay, switch) or non contact (transistor, open collector)
External output signal Transistor’s open collector output (Output is LO when transistor is ON)
HI: Net weight>high limit set value, GO: Low limit set value <= net weight <= high limit set value, LO: Net weight < Low limit set value
Interface ・ 2-wire type serial interface (SI/F standard)
・ RS-232C communication interface
Display section
Display unit 7 digits (fluorescent display tube), Character height; 18 mm
Display value 5 digits -, Minus sign displayed on most significant digit
Min. scale division 1 to 100
Decimal point Selectable decimal place at 0/ 0.0/ 0.00/ 0.000
Center zero True zero point or the center of each value is displayed.
Unit display Selectable from t, kg, g, N, lb, none (weight), pcs (quantity)
Quantity display 4 digits (Unit: pcs)
Over-scale display Input of A/D converter overflow, Net weight over the set net value, scale capacity + 9 scale divisions, Gross weight over the set gross weight
General performance
Power supply voltage 85 to 110V, 102 to 132V, 170 to 220V, 187 to 242V AC (Please specify when ordering), 50/60 Hz
Power consumption Approx. 15VA
Operating conditions Temperature: Working temperature range -10°C to +40°C
Humidity: 85% RH or less (non-condensing)
Dimensions 210(W)×165(H)×95(D) mm (protruding parts not included)
Weight Approx. 1.4kg
AC input cord (3m) 1
Spare fuse (1A) 1
Loadcell connector 1
Crimping terminal 12
Unit seal 1
Operation manual 1


Optional accessories

CAAC2P-B3 AC input cord 3m
CAAC3P-CEE7/7-B2 AC input cord (withstand voltage: 250V) 2m
CA573Y31 57/14p (6-core) cable (cable end is separated) 3m
CA574030 57/14p-PRC (6-core) cable 0.3m
CN20 Loadcell connector (57 series 14p)
CN33 D-Sub 9p connector for RS-232C

Please note that there are possibilities of individual differences in a color tone on display devices such as LEDs, fluorescent display tubes and LCDs due to manufacturing process or production lots.


Product catalogue(PDF)
⇒Download Page
Operation manual(PDF)
External dimension
Support tools