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| Model No. | CA2-T1 | CA2-T2 | CA2-T3 | CA2-T4 | CA2-T5 | |
|---|---|---|---|---|---|---|
| CE marking directive compliance | EMC Directive, RoHS Directive | |||||
| Supply voltage | 24 V DC ± 10 % Ripple P-P 10 % or less | |||||
| Power consumption | 2.8 W or less | |||||
| Analog inputs | Input range | 4 to 20 mA | 1 to 5 V | ±1 V | ±5 V | ±10 V |
| Input impedance | 20 Ω | 1 MΩ | ||||
| No. of inputs | 1 No. | |||||
| Input method | Single end input | |||||
| A/D conversion method | Successive approximation method | |||||
| Sampling rate | Selectable from 200 times/sec., 20 times/sec., 10 times/sec. or 5 times/sec. | |||||
| Zero-adjust input (0-ADJ.) Auto-reference input (A-REF.) |
Input condition: Non-voltage contact or NPN open-collector transistor input Signal condition: Negative logic, Input time duration 10 ms or more Signal level: ON … 1.5 V or less (output current: 10 mA or less) OFF … Supply voltage or open Guaranteed No. of zero-adjust input usage: 10 million times or less (for zero-adjust back-up setting) |
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| Start / hold input | High level (supply voltage, or open): Start, Low level (1.5 V or less): Hold | |||||
| Comparative outputs (OUT 1, OUT 2) |
NPN open-collector transistor ・ Maximum sink current: 100 mA ・ Applied voltage: 35 V DC or less (between comparative output and GND) ・ Residual voltage: 1.3 V or less (at 100 mA sink current) 0.4 V or less (at 16 mA sink current) |
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| Response time | 5 ms or less (when start / hold input is used at a sampling rate of 200 times/sec.) |
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| Hysteresis | Variable from 1 to 3,999 digits | |||||
| Display | 4 digit 7-segment red LED display (letter height: 8 mm 0.315 in) |
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| Display refresh rate | Selectable from 20 times/sec., 10 times/sec., 5 times/sec., 2.5 times/sec., 1 time/sec. or 0.5 time/sec. | |||||
| Display range | Selectable span of 4,000 Nos. between -9999 to +9999 is displayed. (“+” is not displayed) | |||||
| Display accuracy | ±(0.1 % F.S. + 1 digit) at 23 ± 5 ℃ 73.4 ± 41 ℉, 35 to 85 % RH | |||||
| Temperature characteristics | ±0.5 % F.S. over 0 to +50 ℃ +32 to +122 ℉ | |||||
| Setting resolution | 1 digit | |||||
| Threshold value setting range | -9999 to +9999 | |||||
| Indicators | Polarity indication | Red LED (lights up when the displayed value or the threshold value is negative) |
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| OUT 1 operation | Orange LED (Measurement mode: Lights up when OUT 1 is ON. Blinks when display is changed to OUT 1 threshold value display. Setting mode: Blinks when OUT 1 threshold value and comparison conditions are set or when zero scale of scale setting function is set.) |
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| OUT2 operation | Orange LED (Measurement mode: Lights up when OUT 2 is ON. Blinks when display is changed to OUT 2 threshold value display. Setting mode: Blinks when OUT 2 threshold value and comparison conditions are set or when full scale of scale setting function is set.) |
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| Auto-reference operation | Green LED (lights up when auto-reference function is used) |
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| Functions | Auto-reference function, zero-adjust function, scale setting function, threshold value setting function, hysteresis setting function, comparative output timer function, start / hold function, memory clear function, power supply ON-delay function etc. | |||||
| Environmental resistance | Ambient temperature | 0 to +55 ℃ +32 to +131 ℉ (No dew condensation), Storage: -20 to +70 ℃ -4 to +158 ℉ | ||||
| Ambient humidity | 35 to 85 % RH, Storage: 35 to 85 % RH | |||||
| Voltage withstandability | 1,500 V AC for one min. between all supply terminals connected together and enclosure | |||||
| Insulation resistance | 100 MΩ, or more, with 500 V DC megger between all supply terminals connected together and enclosure | |||||
| Vibration resistance | 10 to 55 Hz frequency, 1.5 mm 0.059 in double amplitude in X, Y and Z directions for two hours each | |||||
| Shock resistance | 294 m/s2 (30 G) acceleration in X, Y and Z directions three times each | |||||
| Back-up memory | Non-volatile memory (EEPROM), Guaranteed write operations: 1,000,000 or less | |||||
| Material | Enclosure: Polycarbonate | |||||
| Connecting method | Terminal block connection | |||||
| Weight | Net weight: 55 g approx. | |||||