Center 370 - Specifications

RTD THERMOMETER
1
1. Introduction:
This instrument is a digital thermometer for use with platinum-type
temperature sensor.
Temperature indication follows IEC751 temperature table for PT-type
sensor.
2. Specifications:
Numerical Display: 4 digital liquid crystal display
Measurement Range: -100°C ~ 300°C; -148°F ~ 572°F
Resolution: 0.1°C; 0.1°F;
Sensor types:
Platinum resistance temperature sensor for pt-100, pt-500, pt-1000
(selectable) 4 wires.
ALPHA=0.003850
Measurement current: Approx 0.53mA
Maximum Voltage at Temperature couple Input:
60V DC, or 24Vrms AC
Environmental:
R Operating Temperature and Humidity:
0°C ~50°C (32°F ~ 122°F) ; 0 ~ 80% RH
R Storage Temperature and Humidity:
-10°C to 60°C (14°F ~ 140°F); 0 ~ 80% RH
R Altitude up to 2000 meters.
Accuracy: at ( 23 ± 5°C )
Range Accuracy
-100°C ~ 300°C ±(0.1% reading + 0.4°C)
-148°F ~ 572°F ±(0.1% reading + 0.8°F)
Temperature Coefficient:
For ambient temperatures from 0°C ~ 18°C and 28°C ~ 50°C, for
each °C ambient below 18°C or above 28°C add the following
tolerance into the accuracy spec.
0.01% of reading + 0.03°C ( 0.01% of reading + 0.06°F )