DataChart 1250 Specifications
Input Power:Standard: Option: 9 Vdc +/- 0.5Vdc @ 5VA (depends onexternal loads) provided by external
AC wall transformer (provided), non-
isolated.100-240Vac 50/60Hz Isolated 12-24 Vdc input poweravailable (not compatible with internal
battery pack option below). Frequency Input (Hz)/Range: 0 - 10,000 Hz / 0 - 600,000 RPM Output: Option: 2 outputs 5Vdc @ 50mA to power external sensors. Internal battery pack providesuninterrupted operation and controlled
shutdown during blackout. 6Vdc,
2400mAH NiMH - Backup Time; 8
hours typical (depends on external load). Speed Input (RPM):Accuracy: Freq: ±1 Hz; RPM: ±1 RPM below9,999 RPM; ±10 RPM above 9,999 RPM Number of Channels: 2 universal, user selectable. Input: Low <1.0Vdc; High >3.0 <12.0Vdc Pulse width: 10 microsecond minimum. Isolation: 300V AC/DC channel input to chassis ground Input Impedance: >100k ohms DC Input: Measurement Rate: Up to 100 samples/sec per channel. Math Function: Y = mx + b; average, hi peak, low peak. Media: CompactFlash ™ to 2 GB. Display: LCD Graphics, 160 x 80 pixels, black FSTN withwhite LED backlight. User controlled backlight
level and contrast adjust (electronic). Display Modes: Trending (horizontal), Large dual digitalreadout, mixed mode. V olt ageRanges: User Interface: 5 button keypad (dual function buttons). 0-250mV; 0-1.25V; 0-2.5V; 0-5V;0-12.5V; 0-25V Clock: Auto leapyear and daylight savings adjustment.Internal battery back-up. Accuracy: 0.1% of reading Resolution: 0.025% of full scale Relay Output: Two alarm outputs: 30V 0.5A Form A relays CurrentRanges: 0-20mA; 4-20mA; 0-50mA Opto-isolated Input: One input, 5 to 12Vdc activation @ 10mA typical. Accuracy: 0.1% of reading excluding 250 ohmexternal shunt (required). Audible: Internal beeper (multiple tones). Resolution: 0.025% of full scale Dimensions: Front panel: 96mm x 96mm (1/4 DIN) x 152mm(3.78 x 3.78 x 6 inches). Thermocouple:Accuracy: 0.3% of full scale (typical).Ambient
Temperature sensor Accuracy: +/-1.5°C T ype Range Environmental: Indoor Use Only : J -100 to 760°C ±2°C (-148 to 1400°F ±3°) Installation Category II per IEC 664 K -100 to 1000°C ±2°C (-148 to 1830°F ±3°) Pollution Degree Level II per IEC61010-1 T -100 to 400°C ±2°C (-148 to 750°F ±3°) Temperature: Humidity: maximum relative humidity 80% fortemperatures up to 31°C, decreasing linearly to
50% relative humidity at 40°C. -10°C to 50°C operating per61010-1 E -80 to 400°C ±2°C (-112 to 750°F ±3°) Optional : USB Front panel USB 2.0 slave port for data andremote real-time display when using Navigator
software. RTD:Accuracy: 0.3% of full scale (typical). Resolution: 0.1°C Internal current source: 1mA T ype Range100 Ohm Pt 385 -100 to 750°C (-148 to 1380°F)
100 Ohm Pt 392 -100 to 750°C (-148 to 1380°F)
2 or 3 wire.
DataChart 1250 Dimensions
Rear Panel