AccuMac AM1850 User Manual - Page 5

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AM1860/1850 Standard Platinum Resistance Thermometer

User's Guide

2 Specifications

2.1 Specifications

Temperature Range

tpw

Resistance Ratio

Drift at 0.01°C*

Repeatability

Thermal Shock

Self-heating

Measurement Current

Sensor Length

Insulation Resistance

Sheath Material

Dimension

External Leads

Termination

Handle Dimension

Calibration

1850: -200°C to 500°C

1860: -200°C to 670°C

Nominal 25 Ω or nominal 100 Ω

W(Ga)>=1.11807

W(Hg)<=0.844235

1850

ΔR(0.01°C ) <0.002 °C/100 hours at 500°C

ΔR(0.01°C ) <0.008 °C/year

1860

ΔR(0.01°C ) <0.003 °C/100 hours at 670°C

ΔR(0.01°C ) <0.01 °C/year

±0.0015 °C

±0.0015 °C after 10 times thermal cycles from minimum to

maximum temperatures

0.0015 °C at 1 mA current

1 mA

42 mm

>1000 MΩ at room temperature

Inconel

1850: 6.35 mm (OD) X 480 mm (L)

1860: 6.35 mm (OD) X 500 mm (L)

Insulated copper wire, 4 leads, 2.5 meters

Gold-plated Spade

21mm (OD) X 80 mm (L)

Not included

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