A-3
APPENDIX
Characteristics
*[J]:K3MA-J, [L]:K3MA-L, [F]:K3MA-F
A/D conversion method Double integral method *[J/L] / Period measuring method *[F]
Sampling period 250 ms *[J], 500 ms *[L]
Max. displayd digits -19999 to 99999 *[J/F] / -1999 to 9999 *[L]
Average processing Simple average of None/2/4/8 measurements
Comparative output 1a × 2 *[J/F] / 1c *[L] (Relay contact output)
Delay in comparative
output
750ms max. *[J/F] / 1s max. *[L]
Other functions
Display color change
Key protect
Startup compensation timer (Only K3MA)
Auto-zero (Only K3MA)
Switching of comparative outputs
Enclosure ratings
Front side: NEMA4X(equivalent to IP66) Rear case: IP20
Terminal area: IP00+Finger Protection(VDE106/part100) when the terminal cover is
mounted.
Memory protection EEPROM (Nonvolatile storage) Saving times: one hundred thousand times
Ambient atmosphere
Installation categoryII, Degree of contamination : 2
(according to IEC61010-1)
Approved safety
standards
UL61010-1, CSA C22.2 No.61010-1-04, conforms to EN61010-1 (Pollution degree
2/overvoltage category II)
Conforms to VDE0106/P100 (finger protection)
EMC
(EMI)
EN61326-1 Industrial electromagnetic environment
Emission Enclosure: CISPR 11 Group 1 class A
Emission AC Mains: CISPR 11 Group 1 class A
(EMS)
EN61326-1 Industrial electromagnetic environment
Immunity ESD: EN61000-4-2: 4 kV contact discharge
8 kV air discharge
Immunity RF-interference:
EN61000-4-3: 10 V/m (amplitude-modulated, 80 MHz to 1 GHz)
Electrical Fast Transient Noise: EN61000-4-4: 2 kV (power line)
Immunity Burst Noise: 1 kV line to line (I/O signal line)
Immunity Surge: EN61000-4-5: 1 kV (power line)
2 kV line to ground (power line)
Immunity Conducted Disturbance: EN61000-4-6: 3 V (0.15 to 80 MHz)
Immunity Voltage Dip/Interrupting:
EN61000-4-11: 0.5 cycle, 0, 180
°
, 100% (rated voltage)
APPENDIX
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