Parr Instrument 6772 - Manual (Page 6)

6772
Calorimetric Thermometer Instruction Manual
1-3
Intended Usage
If the instrument is used in a manner not specified by Parr Instrument Company, the protection
provided by the equipment may be impaired.
General Specifications
Electrical Ratings
115VAC, 1.0 Amp, 50/60 Hz
230VAC, 1.0 Amp, 50/60 Hz
Before connecting the Thermometer to an electrical outlet, the user must be certain that the
electrical outlet has an earth ground connection and that the line, load and other characteristics of
the installation do not exceed the following limits:
Voltage: Fluctuations in the line voltage should not exceed 10% of the rated nominal voltage
shown on the data plate.
Frequency: Calorimeters can be operated from either a 50 or 60 Hertz power supply without
affecting their operation or calibration.
Current: The total current drawn should not exceed the rating shown on the data plate on the
calorimeter by more than 10 percent.
Environmental Conditions
This apparatus is to be used indoors.
Operating:
15 ºC to 30 ºC; maximum relative humidity of 80% non-condensing.
Installation Category II (overvoltage) in accordance with IEC 664.
Pollution degree 2 in accordance with IEC 664.
Altitude Limit: 2,000 meters.
Storage: -25 ºC and 65 ºC; 10% to 85% relative humidity.
Provisions for Lifting and Carrying
Before moving the instrument, disconnect all connections from the rear of the apparatus.
Lift the instrument by grabbing underneath each corner.
Periodic cleaning may be performed on the exterior surfaces of the instrument with a lightly
dampened cloth containing mild soap solution. All power should be disconnected when
cleaning the instrument. There are no user serviceable parts inside the product other than what
is specifically called out and discussed in this manual. Advanced troubleshooting instructions
beyond the scope of this manual can be obtained by calling Parr Instrument Company in order
to determine which part(s) may be replaced or serviced.
Specifications
Probe type Thermistor
Thermometer range 10-50 °C
Resolution 0.0001 °C
Absolute accuracy
without calibration
with calibration
+/- 0.100 °C
+/- 0.0500 °C
Repeatability,
single point
+/- 0.002 °C
Linearity, 10 °C span +/- 0.002 °C
Communications port Ethernet
Data logging capacity 1MB (~10000 points)