3 specifications and environmental conditions 9, 1 specifications 9, Specifications and environmental conditions – Fluke 1522 User Manual

Page 13: Specifications, 3specifications and environmental conditions, 1 specifications

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3

Specifications and Environmental
Conditions

3.1

Specifications

Resistance Range

0

Ω to 500 kΩ

Resistance Accuracy, PRT, one
year

0

Ω to 25Ω: 0.002Ω

25

Ω to 400Ω: 0.008% (80 ppm) of reading

Resistance Accuracy,
thermistor, one year

0

Ωto 2 kΩ: 0.4Ω

2 k

Ω to 200 kΩ: 0.02% (200 ppm) of reading

200 k

Ω to 500 kΩ: 0.03% (300 ppm) of reading

Temperature Range

PRT: –200°C to 962°C (–328°F to 1764°F)
Thermistor: –50°C to 150°C (–58°F to 302°F)

Temperature Accuracy, PRT

–200°C to 100°C: ±0.025°C (±0.045°F)
100°C to 400°C: 0±.05°C (±0.09°F)
400°C to 800°C: ±0.1°C (±0.18°F)
800°C to 962°C: ±0.15°C (±0.27°F)

Temperature Accuracy,
2.25 k

Ω thermistor

–50 to 25°C: ±0.005°C (±0.009°F)
25°C to 50°C: ±0.01°C (±0.018°F)
50°C to 75°C: ±0.03°C (±0.054°F)
75°C to 100°C: ±0.08°C (±0.144°F)

Temperature Accuracy,
10 k

Ω thermistor

0 to 50°C: ±0.005°C (±0.009°F)
50°C to 75°C: ±0.01°C (±0.018°F)
75°C to 100°C: ±0.02°C (±0.036°F)
100°C to 125°C: ±0.05°C (±0.09°F)
125°C to 150°C: ±0.1°C (±0.18°F)

Temperature Accuracy,
100 k

Ω thermistor

0 to 50°C: 0.006°C (0.011°F)
50°C to 150°C: 0.009°C (0.016°F)

Resistance Resolution

0.001

Ω

Temperature Resolution

0.001°C, F, K, R

Probe

IEC-751 or DIN-43760 PRT
Callendar-Van Dusen calibrated PRT; nominal 100

Ω

ITS-90 calibrated 25

Ω or 100Ω PRT

YSI-400 series or equivalent 2252

Ω thermistor

Steinhart-Hart thermistor polynomial; nominal R(25°C) 2k

Ω to

100k

Ω

Probe Connector

Hart INFO-CON connector

Maximum Acceptable Probe
Lead Resistance

10

Ω

Probe Excitation Current

PRT: 0.5 mA
Thermistor: 5

μA

Measurement Period

1 second

9

3 Specifications and Environmental Conditions

Specifications

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