3.1 Attaching Units
32
You can attach optional units to the instrument in accordance with the measure-
ment object. A maximum of eight units (total of 120 channels) can be connected
to one instrument.
The following four types of unit are available. Select a unit in accordance with the
measuring object. For detailed specifications of the units, see "12.3 Unit Specifi-
cation" (p. 221).
Unit List
3.1 Attaching Units
3.1.1 Unit Types
Model 8948 Voltage/Temp Unit Model 8949 Universal Unit
This unit is capable of measuring voltage and tem-
perature.
This unit is capable of measuring voltage, tempera-
ture, and humidity.
Model 8996 Digital/Pulse Unit Model 8997 Alarm Unit
This unit is capable of measuring pulse signals and
logic signals. It allows you to totalize the number of
pulses of, for instance, an integrating wattmeter or
flowmeter, and count the number of pulses of, for
instance, a rotation meter to obtain the rotation rate.
This unit outputs an alarm when the measurement
value satisfies the set alarm condition (output format:
open collector). This enables control of an external
device in accordance with an alarm.
Measurement object
•Voltage
• Temperature (Thermocouple)
M3 screw terminal block
15 input channels
CH1
CH15
Measurement object
•Voltage
• Temperature
(Thermocouple/resistance
temperature detector)
• Humidity (use the 9701
Humidity Sensor)
Push-type terminal block
15 input channels
CH1
CH15
Measurement object
• Logic signal
• Pulse signal
• Rotation rate
M3 screw terminal block
15 input channels
CH1
CH15
Alarm output function
M3 screw terminal block
15 output channels
CH1
CH15
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