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ASAHI

AM-322 Setpoint  Comparator from ASAHI KEIKO CO., LTD.


AM-322
3
½ Digit.
DC Voltage Measurement
Model Range Display Adjustable Input Impedance Input Protection
AM-322-11 ±199.9mV Offset ±1999 Fullscale ±0~1999 100M ohms ±100V
AM-322-12 ±1.999V 100M ohms ±250V
AM-322-13 ±19.99V 10M ohms ±250V
AM-322-14 ±199.9V 10M ohms ±500V

DC Current Measurement
Model Range Display Adjustable Input Resistance Input Protection
AM-322-21 ±199.9uA Offset ±1999 Fullscale ±0~1999 1k ohms ±10mA
AM-322-22 ±1.999mA 100 ohms ±50mA
AM-322-23 ±19.99mA 10 ohms ±150mA
AM-322-24 ±199.9mA 1 ohm ±500mA
AM-322-25 ±1.999A 0.1 ohm ±3A

1-5V Measurement
Model Range Display Adjustable Input Impedance Input Protection
AM-322-1V 1-5V Offset ±1999 Fullscale ±0~1999 1M ohms ±250V

4-20mA Measurement
Model Range Display Adjustable Input Resistance Input Protection
AM-322-2A 4-20mA Offset ±1999 Fullscale ±0~1999 10 ohms ±100mA


Ordering Code
AM-322-(Range)-(Power Supply)(Comparator Output)
Range 11~14
21~25
1V~2A
Power Supply 1. DC24V (Isolated)
2. AC180~264V
3. DC9~30V
Comparator Output 1. Relay
2. Photo Coupler



Specifications
Input Configuration Single Ended
Input Bias Current 2nA (typ)
Conversion Rate 20/sec or 2.5/sec
Normal Mode Rejection More than 40dB (50/60Hz)
Zero Stability Automatic Zero Adjustment
Zero Display Leading zero suppression
Display LED, 8mm 3 ½ digit
Decimal Point Settable to any digit position
Polarity A "-" is displayed automatically
Overrange Indication When input exceeds the maximum display, flash just before overflow
Power Supply AC90~132V, AC180~264V, DC9V~30V
Operating Temperature 0~50°C, 35 to 85% RH
Power Consumption Approx. 3VA
Dimensions 36(H) x 72(W) x 110(D)mm DIN Size
Weight Approx. 250g
Dielectric Strength Between input (Lo) terminal and earth, COM DC500V;
Between power supply terminal and input terminal,
Common, relay output, AC 1500V/1min
Insulation Resistance DC500V, 100M ohms at above terminals
Control System 8-bit microcomputer
Setting Range -1999~0~+1999
Comparative Condition Indication>High setpoint->HI
High setpoint >=indication >=Low setpoint=GO
Indication< setpoint=LO
Relay Contact Capacity 250V AC 0.1A Resistive load
120V AC 0.5A Resistive load
28V DC 1A Resistive load
External Control Hold;
Com and HOLD terminal Shorted or OV
Start;
0V to 5V(20ms-40ms) positive pulse or open digital zero;
COM and DIGITAL ZERO terminal
 

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