█ 제품사양 (DataChart 1250 Specifications)

◐ 사용전원(Input Power: Standard):
1. 9 Vdc +/- 0.5Vdc @ 5VA (depends on external loads) provided by external AC wall transformer (provided), nonisolated.
2. 100-240Vac 50/60Hz
▶ 옵션(Option):
1. Isolated 12-24 Vdc input power available
(not compatible with internal battery pack option below).
▶ 옵션 (Option):
1. Internal battery pack provides uninterrupted operation and controlled shutdown during blackout. 6Vdc,
2400mAH NiMH - Backup Time; 8 hours typical (depends on external load).
◐ 출력(Output):
1. 2 outputs 5Vdc @ 50mA to power external sensors.

◐ 채널 수(Number of Channels):
1. 2 universal, user selectable.

◐ 절연(Isolation):
2. 300V AC/DC channel input to chassis ground

◐ 전압 입력범위(DC Input): Voltage
▶ 범위(Ranges):
1. 0-250mV
2. 0-1.25V
3. 0-2.5V
4. 0-5V
5. 0-12.5V
6. 0-25V
▶ 정밀도(Accuracy): 0.1% of reading
▶ 화면표시 능력(Resolution): 0.025% of full scale

◐ 전압 입력범위(Current)
▶ 범위(Ranges):
1. 0-20mA
2. 4-20mA
3. 0-50mA
▶ 정밀도(Accuracy): 0.1% of reading excluding 250 ohm external shunt (required).
▶ 화면표시 능력(Resolution): 0.025% of full scale

◐ 온도센서 측정범위 및 정밀도(Thermocouple): Accuracy:
1. 0.3% of full scale (typical).
2. Ambient Temperature Sensor Accuracy: +/-1.5°C Type Range
☞ J -100 to 760°C ±2°C (-148 to 1400°F ±3°)
☞ K -100 to 1000°C ±2°C (-148 to 1830°F ±3°)
☞ T -100 to 400°C ±2°C (-148 to 750°F ±3°)
☞ E -80 to 400°C ±2°C (-112 to 750°F ±3°)

◐ 저항센서 측정범위 및 정밀도(RTD): Accuracy: 0.3% of full scale (typical).
▶ 화면표시 능력(Resolution): 0.1°C
▶ 타입 별 범위(Ranges):
1. 100 Ohm Pt 385: -100 to 750°C (-148 to 1380°F)
2. 100 Ohm Pt 392: -100 to 750°C (-148 to 1380°F)
3. 2 or 3 wire.

◐ 주파수 입력범위(Frequency Input (Hz)/ Range):
1. 0 - 10,000 Hz
2. 0 - 600,000 RPM
◐ RPM 입력범위 및 정밀도(Speed Input (RPM)): Accuracy:
1. Freq: ±1 Hz; RPM: ±1 RPM below
2. 9,999 RPM; ±10 RPM above 9,999 RPM
▶ Input: Low 3.0 100k ohms
◐ 측정 범위(Measurement Rate): Up to 100 samples/sec per channel.
◐ 수치 기능(Math Function): Y = mx + b; average, hi peak, low peak.
◐ 저잠매체(Media): CompactFlash™ to 2 GB.
◐ 화면표시(Display):
1. LCD Graphics, 160 x 80 pixels, black FSTN with white LED backlight.
2. User controlled backlight level and contrast adjust (electronic).

◐ 화면표시 모드(Display Modes): Trending (horizontal), Large dual digital readout, mixed mode.
◐ 기능버튼(User Interfac)e: 5 button keypad (dual function buttons).
◐ 시계기능(Clock):
1. Auto leap year and daylight savings adjustment.
2. Internal battery back-up.

◐ 알람 출력(Relay Output): Two alarm outputs: 30V 0.5A Form A relays
◐ Opto-isolated Input: One input, 5 to 12Vdc activation @ 10mA typical.
◐ 소리음 기능(Audible): Internal beeper (multiple tones).
◐ 외형치수(Dimensions): Front panel: 96mm x 96mm (1/4 DIN) x 152mm (3.78 x 3.78 x 6 inches).
◐ 사용환경(Environmental): Indoor Use Only:
1. Installation Category II: per IEC 664
2. Pollution Degree Level II per IEC61010-1
3. Temperature: -10°C to 50°C operating per 61010-1
4. Humidity: maximum relative humidity 80% for temperatures up to 31°C,
  decreasing linearly to 50% relative humidity at 40°C.
5. Optional: USB Front panel USB 2.0 slave port for data and remote real-time display
  when using Navigator software