FBXXX Field Temperature Block
Environmental Conditions
12
Base Unit Specifications
FB150 FB350 FB660
Weight 8.16 kg (18 lbs) 7.3 kg (16 lbs) 7.7 kg (17 lbs)
Power Requirements 100 V to 115 V (±10%)
50/60 Hz, 575 W
230 V (±10%) 50/60 Hz,
575 W
100 V to 115 V (±10%), 50/60 Hz, 1400 W
230 V (±10%), 50/60 Hz, 1800 W
System Fuse Ratings 115 V: 6.3 A T 250 V
230 V: 3.15 A T 250 V
15 A, 250 V Thermal Circuit Breakers
Computer Interface RS-232
Safety EN 61010-1:2001, CAN/CSA C22.2 No. 61010.1-04
Table 3 -R Option Specifications
-R Specifications
Built-in Reference Thermometer Readout
Accuracy
(4-Wire Reference Probe)
†
± 0.013 °C at -25 °C
± 0.015 °C at 0 °C
± 0.020 °C at 50 °C
± 0.025 °C at 150 °C
± 0.030 °C at 200 °C
± 0.040 °C at 350 °C
± 0.050 °C at 420 °C
± 0.070 °C at 660 °C
Reference Resistance Range 0 ohms to 400 ohms
Reference Resistance Accuracy‡ 0 ohms to 42 ohms: ±0.0025 ohms
42 ohms to 400 ohms: ±60 ppm of reading
Reference Characterizations ITS-90, CVD, IEC-60751, Resistance
Reference Measurement Capability 4-wire
†
The temperature range may be limited by the reference probe connected to the readout. The Built-
In Reference Accuracy does not include the sensor probe accuracy. It does not include the probe
uncertainty or probe characterization errors.
‡
Measurement accuracy specications apply within the operating range and assume 4-wires for PRTs.
2.2 Environmental Conditions
Although the instrument has been designed for optimum durability and trouble-free
operation, it must be handled with care. The instrument should not be operated in an
excessively dusty or dirty environment. Maintenance and cleaning recommendations
can be found in the Maintenance section. The instrument operates safely under the fol-
lowing environmental conditions:
ambient temperature range: 0-50°C (32-122°F)
ambient relative humidity: 0 % to 90 % (non-condensing)
mains voltage: within ±10% of nominal
vibrations in the calibration environment should be minimized
altitude: less than 2,000 meters
indoor use only
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