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HP 1047A Refractive Index (RI) Detector

HP 1047A Refractive Index (RI) Detector
HP 1047A Refractive Index (RI) Detector


RI range 1 to 1.75; measurement range

1/64 x 10 -5 DELTA RIU to 32 x 10 -5 DELTA RIU (full scale).


< ± 2.5 x 10 -9 DELTA RIU peak-to-peak, flowing water at 1 ml/min, 0.8 second response time (10-90%)


< ± 1 x 10 -8 DELTA RIU


< 2.5 x 10 -7 DELTA RIU/hour, after warm-up.

Response Time

0.3, 0.8, or 5 seconds (10-90%).

Flow Cell

7 µl volume with 7 bar (103 psi) maximum pressure

Recommended pH range

2.3 to 9.5 standard. Solvents with a pH between 1.0 and 2.3 must not contain acids which attack stainless steel.

Temperature Control

30, 35, 40, 45, 50°C.


Single line, 4 1/2 digit display with real time display of output voltage (recorder or integrator

Analog Outputs

One output integrator output 2 V maximum (32 mV/10 -5 DELTA RIU); two recorder outputs (0-1 mV and 0-10 mV).


Four control inputs (marker, flush, balance not ready)


Temperature range: 0 to 40°C


< 85% (non-condensing)

Power Requirements

Line voltage: 100, 120, 220, 240 V AC (+5%, -10%)Line frequency: 48-66 Hz

Power consumption: 120 VA (410 BTU/hour)

This refurbished HP 1047A Refractive Index (RI) Detector is in great condition. It has been tested at SpectraLab Scientific.

A 90 day warranty is included. Multiple available.

We encourage you to contact us to speak with one of our experts and professional team here at SpectraLab. Thanks for looking and we look forward to hearing from you!

  Price: $2,800 USD
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