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PRECISION AC THERMOMETRY RESISTANCE BRIDGE

5840E Thermometry Resistance Bridge
The CONSORT 5840E Thermometry Resistance Bridge is an easy to use high precision programmable automatic AC Resistance Bridge. 

Thermometery Resistance Bridge

 The AC Thermometry Resistance Bridge 
measurement technique is combined 
with a state of the art microprocessor to provide 
direct temperature readout for up to 15 Platinum Resistance thermometers or Rhodium Iron 
thermometers from 0.5K to 660° C. 
The thermometers' constants are loaded 
into the memory from the front panel keys.

Thermometry Resistance Bridge Specification
Range Resistance: 
10 Ohms internal standard 0-15.99999 Ohms.
100 Ohms internal standard 0-350.0000 Ohms 

Thermometers: Ro 2.5-100 Ohms

 Ratio R(tp)
10 Ohms external standard 0-1.599999 
100 Ohms external standard 0-3.50000
Accuracy Ratio R(tp): <±5ppm.   Resistance: <±5ppm. and Temp: <±5 millidegree. 
(over -200°C to +650°C

Sensor: Class 1 NPL Calibration ± 0.001°C at O°C. to 100°C. ± 0 005°C max @ 630°C.
Resolution Resistance: On 100 Ohms range =10-4Ohm.  On 10 Ohms range =10-5Ohm
Temperature: 0.01°C
Stability Negligible drift with time and temperature
Internal Reference Rs 100 Ohms ± 0.01% trimmed   T.C. =± 0.02ppm/°C
10 Ohms   ± 0.02% trimmed   T.C. = ± 0.02ppm/°C
Measurement Frequency 75Hz at 50Hz supply and 90Hz at 60Hz supply. Automatic Switching 50/60Hz.
Sensor Current 0.1, 0.3, 1.0, 3.0 mA ± 1%. Constant current source.
Self Heating check 1.414 X selected currents
Sensor cables 20 Ohms max series R; 5nFmax shunt capacity, typically 100metres coaxial cable.
Display Units Ratio, Ohms, °C, and K
Analogue O/P 1V  1Hz Bandwidth
Digital O/P RS232 - Standard. IEEE-488 optional.
Operating temperature range +10 °C to +30 °C 
Supply 210-250V/105-125V. 50/60Hz. 15OVA
Dimensions 400 x 155 x 350mm
Net Weight 10Kg.

Please email sales@hotektech.com or call 253-927-6186 if you are interested in a purchase, or
  need additional information.

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