Fluke 1586A/2HC Product Manual - Page 66

PRT Channels

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3 Input and Channel Configuration Channel Configuration PRT Channels Refer to Table 3-8 to configure a Platinum Resistance Thermometer (PRT) channel. ITS-90 type requires deviation function coefficients to be entered. Coefficient "A" should be set to the value of "a7" or "a8" as shown on the PRT calibration certificate. Likewise, "B" is for "b7" or "b8" and "C" is for "c7". If a coefficient is not available, it must be set to "0". Table 3-8. PRT Channel Setup 1 2 3 8 4 5 6 7 hcn011.eps Item Function  PRT function selection.  Select the PRT type. Types available: ITS90, CVD, PT-385, and PT-392.  Set the PRT resistance value at 0 °C (CVD, PT-385, or PT-392) or 0.01 °C (ITS-90).  Set up the channel for a 2-wire, 3-wire, or 4-wire measurement connection. See "Sense Input Configuration" on page 3-6.  Input a custom alpha-numeric label to help identify the channel (optional).  Set an alarm for this channel (optional). See "HI and LO Channel Alarms" on page 3-31.  Apply Mx+B scaling to the measurement (optional). See "Mx+B Scaling" on page 3-30.  Load a PRT from the Probe Library. See "Probe Library" on page 3-34. 3-23 MyFlukeStore Shop for Fluke products online at: www. .com 1.888.610.7664

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Input and Channel Configuration
Channel Configuration
3
3-23
PRT Channels
Refer to Table 3-8 to configure a Platinum Resistance Thermometer (PRT) channel.
ITS-90 type requires deviation function coefficients to be entered. Coefficient "A" should
be set to the value of “a7” or “a8” as shown on the PRT calibration certificate. Likewise,
"B" is for “b7” or “b8” and "C" is for “c7”. If a coefficient is not available, it must be set
to “0”.
Table 3-8. PRT Channel Setup
1
2
3
4
5
6
7
8
hcn011.eps
Item
Function
PRT function selection.
Select the PRT type. Types available: ITS90, CVD, PT-385, and PT-392.
Set the PRT resistance value at 0 °C (CVD, PT-385, or PT-392) or 0.01 °C (ITS-90).
Set up the channel for a 2-wire, 3-wire, or 4-wire measurement connection. See “Sense Input
Configuration” on page 3-6.
Input a custom alpha-numeric label to help identify the channel (optional).
Set an alarm for this channel (optional). See “HI and LO Channel Alarms” on page 3-31.
Apply Mx+B scaling to the measurement (optional). See “Mx+B Scaling” on page 3-30.
Load a PRT from the Probe Library. See “Probe Library” on page 3-34.
Shop for Fluke products online at:
1.888.610.7664
www.
MyFlukeStore
.com