Lightwave Communications LDT-5525 manual User Calibration

C H A P T E R 1

INTR ODUCTION AND SP ECIFI CATIONS

Specifications

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	0.1 kΩ
(10 µA)
Thermistor Resistance Resolution	0.01 kΩ
(100 µA)
Thermistor Resistance Accuracy	+0.05% of FS
AD590 Reverse Bias	8 Volts
LM335 Bias	0.6 mA
User Calibration

Thermistor

IC Sensor

Steinhart-Hart equation (2 constants)

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 999.9oC
Temperature Resolution	0.1oC
Temperature Accuracy6	0oC: +0.6oC, typical
	20oC: +0.3oC, typical
	30oC: +0.4oC, typical
	50oC: +0.6oC, typical

6Accuracy 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

4 LDT-5525