712B
Users Manual
16
Measure mA Current
To measure mA current, connect the Product to the
transmitter current terminals.
Measure Temperature
Use Resistance-Temperature Detectors (RTDs)
The Product accepts RTD types shown in Table 6.
RTDs are characterized by their resistance at 0 °C (32 °F),
which is called the “ice point” or R
0
.
The most common R
0
is 100 Ω. The Product accepts RTD
measurement inputs in 2-, 3-, or 4-wire connections, with
the 3-wire connection the most common. A 4-wire
configuration provides the highest measurement precision,
and 2-wire provides the lowest measurement precision.
To measure temperature using an RTD input, proceed as
follows:
1. If necessary, push for Measure mode.
2. Push .
3. Use or to select the desired type, and push
to confirm.
4. Push to select a 2-, 3-, or 4- wire connection.
5. Attach the RTD to input terminals as shown in
Figure 7.
Set Temperature Unit
The Product allows you to select the temperature unit °C
or °F.
Push to switch to shift mode, and push to set the
temperature unit to °C or °F.
The default temperature unit is °C.
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