Table of Contents
Advertisement
Troubleshooting
Table 11-9
Nominal resistance ranges for flowmeter circuits
Circuit
Flow tube temperature sensor
LLC/RTD
• T-Series sensors
• CMF400 I.S. sensors
• F300 sensors
• H300 sensors
• F025A sensors
• F050A sensors
• F100A sensors
• CMFS sensors
• All other sensors
(1) Actual resistance values depend on the sensor model and date of manufacture. Contact Micro Motion for more detailed data.
Figure 11-2
Feedthrough pins
RTD +
Left pickoff –
(1) Functions as fixed resistor for the following sensors: F300, H300, F025A, F050A, F100A, CMF400 I.S., CMFS. Functio
as composite RTD for T-Series sensors. For all other sensors, functions as lead length compensator (LLC).
Configuration and Use Manual
Pin pairs
RTD + and RTD –
RTD – and composite RTD
RTD – and fixed resistor
RTD – and fixed resistor
RTD – and LLC
Drive –
RTD –
Left pickoff +
Nominal resistance range
100 Ω at 0 °C + 0.38675 Ω / °C
300 Ω at 0 °C + 1.16025 Ω / °C
39.7–42.2 Ω
44.3–46.4 Ω
0
Drive +
LLC / Composite RTD /
Fixed resistor
Right pickoff +
Right pickoff –
(1)
(1)
153
Advertisement
Table of Contents
