CRD-400 Multipurpose Readout
Type of measurements | mA - mV - V - mV/V - °C - Hz (µsec - digit - µε) |
---|---|
A/D converter | 24-bit Sigma-Delta ADC (22 true bit) |
Range and power supply |
Current loop (2 wires): range 0÷21 mA - Power supply: 24V DC Transmitter (3 wires): range 0÷21mA - Power supply: 24V DC Voltage (4 wires): range ±10V - Power supply: 24V DC Wheatstone bridge (6 wires): range ±10 mV/V - Power supply: 5 V DC Servo-inclinometer: range ±10000 mV - Power supply: ±12V DC Platinum RTD (Pt100): range -150°C to +150°C - Power supply: 1 mA Thermistor (NTC): range -30°C to +150°C - Power supply: 0.04mA, 0.1mA, 1mA Vibrating Wire: range 400Hz to 6000Hz - Excitation sine wave signal (adaptive): ±10 V |
Reading resolution |
1µA at FS 20mA - 1µV at FS ±20mV - 10µV at FS ±1V - 100µV at FS ±10V 0.001mV/V at FS 10mV/V - 0.1°C for PT100 - 0.1°C for NTC |
Accuracy | 0.01% FS (0.1% for Voltage and Servo-inclinometer, 0.2% FS for PT100 and NTC) |
Temperature drift | 0.001 % FS / °C |
Rechargeable battery | 4 x AA, NiMH, 2400 mAh |
Operating time |
min. 4h (constant use, 24 Vdc @ 20 mA @ 25 °C, maximum backlight, 2400 mAh batteries) min. 6h (constant use, 24 Vdc @ 20 mA @ 25 °C, 50% backlight, 2400 mAh batteries) |
Battery charger | Programmable charger, IP41, input voltage: 100-240 V AC, 50-60 Hz, 1.3A |
Display | Amorphous silicon TFT LCD panel with LED backlight unit, 320 x 240, 3.5”, sunlight reliability |
Operating temperature | from -20°C to +60°C |
Protection Degree | IP67 |
Material | ABS |