Digital Meter / Printer

Voltage and Current input meter Relay for High-speed, High precision Measurement

MODEL 452G

■ DC 2CH input, four arithmetic operations function
■ High-speed sampling 2000 times/sec.
■ Respond to the rapid input changes by comparison function against the previous data
■ Ideal for mass-production workstation by the synchronous measurement function

Operation manual

Model Designation

452G

□

①

②

③

④

⑤

⑥

①Measuring input (Two input are the same and same range)

Code	Measuring range	Input impedance	Accuracy of display	Over load
03	±999.9 mV	100 MΩ	±(0.1% of F.S + 1digit) for two input	±250 V
04	±9.999 V	1 MΩ
V2	0 to 5 V	1 MΩ
09	1 to 5 V	1 MΩ
19	4 to 20 mA	12.4 Ω		±150 mA

②Power supply voltage (Available- 09 and -29 of ④Data output 1 only)

Code	Power source voltage
A	AC 100 to 240 V
B	DC 12 to 24 V

③Power source for sensor (Floating output)

Code	Output voltage	Output current
Blank	-
2	DC 5 V ± 10%	100 mA
3	DC 12 V ± 5%	150 mA ^*1
5	DC 24 V ± 5%	100 mA ^*2

NOTE:: *1 100 mA for the DC power supply
*2 50 mA for the DC power supply

④Data output 1

Code	Data output	Output impedance	Tolerable Load resistive
Blank	-
09	Analog output DC 0 to 10 V (Available scaling, Default: 1 to 5 V )	Less than 0.1 Ω	More than 1 kΩ
29B	Analog output DC 0 to 20 mA (Available scaling, Default: 4 to 20 mA)	More than 5 MΩ	0 to 500 Ω
BP	BCD output (TTL level positive logic)	-
BN	BCD output (TTL level negative logic)	-
DP	BCD output (transistor output, source type)	-
DN	BCD output (transistor output, sink type)	-
E0	RS-232C	-
E1	RS-485	-
EC	Decimal point external control	-

⑤Data output 2(Available- 09 and -29 of ④Data output 1 only)

Code	Data output
Blank	No output
E0	RS-232C
E1	RS-485
EC	Decimal point external control

⑥Comparoson output

Code	specifications
TN	Open collector output (NPN)
RY	Relay output

Basic Specifications

Input	2CH input (operation result is Y between A and B), A and B is not isolated
Dual input operation	Y=A+B, Y=A-B, Y=A×B, Y=A/B, Y=(A×B)/10, Y=(A×B)/100, Y=(A×B)/1000, But Ymax=99999
Main Display	0 to 9999, “-” polarity, with zero-suppress function. +/- 99999 when calibrating PV: red or green LED (character height 15.2 mm) Indication color: RR, RG, GR, GG (R: Red when any AL1 to AL4 turn ON, G: Green when all AL turn off.)
Sub-display	SV1 and SV2: red LED (character height 7.6 mm)
Display	Display data output, current value, peak memory, bottom memory, and display amplitude “PM” lights up at the peak memory display “BM” lights up at the bottom memory display. Both “PM” and “BM” lights up at the amplitude display
Scaling	Full-scale: -99999 to +9999 Offset: -99999 to +9999
Display cycle	Selectable from 67ms, 400ms, 1s, 2s, 4s, 5s
Resolution	1/10000
Sampling rate	2000 times / sec.
Comparison output Response	2ms at 1CH, 4ms at 2CH
Input method	Single ended, floating input
A/D conversion	Successive approximation method
Noise Rejection	Normal mode (NMR) - More than 40 dB. Common mode (CMR) - More than 110 dB. Noise through power supply line – 1000 V (at AC voltage power supply)
Insulation Resistance	DC500V 100MΩ or more.
Withstand Voltage	Input terminals - External case: AC 2000 V each for 1min. Power supply terminals - External case: AC 2000 V each for 1min. Power supply terminals - Input and output terminals: AC 1500 V each for 1min Input terminals - Output terminals: AC 500 V each for 1min.
Power Supply	AC 100 to 240 V (50/60Hz), DC 12 to 24 V, DC 110 V
AllowablePowerRange	AC 90 to 250 V, DC 9 to 32 V, DC 100 to 170 V
Power Consumption	452G itself Approx. 8.5VA at 100V AC, 10.5VA at 200VAC, 300mA at 12V. 150mA at 24VDC. Power supply unit: Approx. 7VA at 100V AC, 9VA at 200VAC, 200mA at 12V. 100mA at 24VDC.
Operating Temperature	0 to 50 °C
Storage Temperature	-20 to 70 °C
Weight	Approx. 300 g (60 g of the power supply unit)
Housing protection	IP65 for the front panel, IP20 for the rear case, IP00 for terminals