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K3MA-L-C AC100-240

Temperature Meter


100 to 240 VAC 50/60 Hz, 4 digit, Input: Temperature (Platinum resistance thermometer/Thermocouple), Comparative output Contact (OUT 1)

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: OUT 1
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.
(The indication accuracy of K thermocouples in the -200 to 1300 ℃ range, T and N thermocouples at a temperature of -100 ℃ max., and U and L thermocouples at any temperatures is ±2 ℃ ±1 digit maximum. B thermocouple at a temperature of 400 ℃ max. is not specified. R and S thermocouples at a temperature of 200 ℃ max. is ±3 ℃ ±1 digit maximum.)
Judgment outputContact outputSPDT
Rated load: Resistive load: 250 VAC 5 A (cosφ=1)/5 A at 30 VDC, Inductive load: 250 VAC 1.5 A (cosφ=0.4)/30 VDC 1.5 A (L/R=7 ms)
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 the entire external terminal and case: 20 MΩ min. (at 500 VDC)
Between inputs, outputs, and power supply: 20 MΩ min. (at 500 VDC)
Dielectric strengthBetween the entire external terminal 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/s2, 3 times each in 3 axes 6 directions
Degree of protectionFront: NEMA TYPE 4X 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℃ (with no freezing or condensation)
Storage: -25 to 65℃ (with no freezing or condensation)
Ambient humidityOperating: 25 to 85% (with no condensation)
AccessoriesWaterproof packing, Terminal Cover, Unit label
WeightApprox. 200 g
  • Dimensions

  • Connection diagram

Terminal arrangement

  • Internal connection


Temperature Meter