K3MA-L-C AC100-240

Temperature Meter


100 to 240 VAC, 4 digit, Input: Platinum resistance thermometer/Thermocouple, Comparative output Contact (OUT1)

Power supply voltage 100 to 240 VAC 50/60 Hz
Input type Temperature (Platinum resistance thermometer/Thermocouple)
Digits 4 digit (-1999 to 9999)

Item list of K3MA-L

  • Ratings/Specifications
Power supply voltage100 to 240 VAC 50/60 Hz
Allowable power supply voltage range85% to 110% of the power supply voltage
Power consumption6 VA max. (at maximum load)
Input typeTemperature (Platinum resistance thermometer/Thermocouple)
Output typeJudgment output: Contact
Comparative output: OUT1
Temperature measurement input (Accuracy)Platinum resistance thermometer: (±0.5% of indicated value or ±1 ℃, whichever is greater) ±1 digit max.
Thermocouple: (±0.5% of indicated value or ±1 ℃, whichever is greater) ±1 digit max.
Judgment outputContact outputSPDT
Rated load: Resistive load: 5 A at 250 VAC
5 A at 30 VDC/Inductive load: 1 A at 250 VAC
1.5 A at 30 VDC
Minimum applicable load: 10 mA at 5 VDC (failure level: P Reference value)
Life expectancy: 100,000 operations min.(Electrical)/20 million operations min.(Mechanical)
DisplayDisplay methodNegative LCD (backlit LED) 7-segment digital display
Digits4 digit (-1999 to 9999)
Character height14.2 mm (green/red)
Sampling period500 ms
Comparative output response time1 s max.
Insulation resistanceBetween external terminals and case. Insulation provided between inputs, outputs and power supply: 20 MΩ min. (at 500 VDC)
Dielectric strengthBetween external terminals and case: 2,000 VAC 1 min
Noise immunity±1,500 V at power supply terminals in normal or common mode (waveform with 1-ns rising edge and pulse width of 1 µs/100 ns)
Vibration resistanceMalfunction: 10 to 55 Hz, Single amplitude 0.35 mm, 10 sweeps of 5 min each in X, Y, and Z directions
Shock resistanceMalfunction: 100 m/s**2, 3 times each in 3 axes 6 directions
Degree of protectionHead on: NEMA4X for indoor use (equivalent to IP66)
Case rear: IP20
Terminals: IP00 + finger protection (VDE0106/100) with terminal Cover
Memory protectionNon-volatile memory (Number of rewrites: 100,000)
Ambient temperatureOperating: -10 to 55℃
Storage: -25 to 65℃
Ambient humidityOperating: 25 to 85%
AccessoriesWaterproof packing, Terminal Cover, Unit label
WeightApprox. 200 g
  • Dimensions

  • Connection diagram


Terminal arrangement


Temperature Meter


about this Product