User's Manual

INTRODUCTION AND SPECIFICATIONS
Specifications
4 LDT-5525
CHAPTER 1

6 Accuracy figures quoted are typical for a calibrated 10K thermistor; accuracy figures are relative to calibration
standard and are dependent on the user-defined configuration of the instrument; variation from typical value is
largely due to uncertainty in thermistor calibration
Thermistor Range (10 µA) 0.0 to 450.0 KΩ
Thermistor Range (100 µA) 0.0 to 45.0 KΩ
Usable Thermistor Range 25 to 450,000 Ω, typical
Thermistor Resistance Resolution
(10 µA)
0.1 kΩ
Thermistor Resistance Resolution
(100 µA)
0.01 kΩ
Thermistor Resistance Accuracy +0.05% of FS
AD590 Reverse Bias 8 Volts
LM335 Bias 0.6 mA
User Calibration
Thermistor Steinhart-Hart equation (2 constants)
IC Sensor 2-point
Measurement (Display
Display Type 4-digit LED
TE Current Range -4.00 to 4.00 Amps
TE Current Resolution 0.01 Amps
TE Current Accuracy +0.03 Amps
Temperature Range -99.9 to 999.9
o
C
Temperature Resolution 0.1
o
C
Temperature Accuracy
6
0
o
C: 0+0.6
o
C, typical
20
o
C: +0.3
o
C, typical
30
o
C: +0.4
o
C, typical
50
o
C: +0.6
o
C, typical