Atago 1414 DR-M4 Multi-Wavelength Abbe Refractometer, 1.5219 to 1.9220 - 1.4260 to 1.8259 Measurement Range

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ScaleRefractive index
Abbe number
Measurement RangeRefractive index : 1.5219 to 1.9220 (at 450nm)
Refractive index : 1.4700 to 1.8700 (at 589nm)
Refractive index : 1.4545 to 1.8544 (at 680nm)
Refractive index : 1.4260 to 1.8259 (at 1,100nm)
Minimum IndicationRefractive index : 0.0001
Abbe number : 0.1
Measurement AccuracyRefractive index : ±0.0002
(With the attached test piece at 500 to 650nm)
Ambient Temperature5 to 40゚C
Measurement Temperature Range5 to 50゚C
Display PanelLCD
Light sourceHalogen lamp, 12V 50W
OutputFor printer, DP-63 (B) (Optional)
Wavelength RangeFrom 450 to 1100nm (with interference filters)
(For measurement at wavelengths ranging from 681 to 1100nm, the Near Infrared Ray Viewer (Optional is required)
Power SupplyAC100 to 240V, 50/60Hz
Dimensions & Weight13×29×31cm, 6.0kg (Refractometer)
15×33×11cm, 3.2kg (Light source unit)
Power consumption160VA
Special Order Option : The sample stage height can be customized.


· Lighting glass for film measuerment : RE-6193

· Interference filter 589(D)nm : RE-3520

· Interference filter 486(F)nm : RE-3521

· Interference filter 656(C)nm : RE-3522

· Interference filter 546(e)nm : RE-3523

· Interference filter 480(F`)nm : RE-3524

· Interference filter 644(C`)nm : RE-3525

· Interference filter (select one wavelength) : RE-3526

· Interference filter 450 to 539nm : RE-3526-1

· Interference filter 540 to 680nm : RE-3526-2

· Interference filter 681 to 799nm : RE-3526-3

· : Interference filter 800 to 1100nm : RE-3526-4

· Near-infrared ray viewer : RE-9119

· Eyepiece for polarizing : RE-1146

* Calibration Certificate : Contact an ATAGO representative for details.


· Test piece C with m-naphthalene : RE-1197

· Main & secondary prism : RE-1640

· Illuminating lamp : RE-4170

· Pack of desiccant tablets : RE-1592

*Please inform us of a serial number in the case of an order.

Call 01463 830401 For Any Assistance

Calibration with waterDigital displayAC outlet (AC100 to 240V)Can be connected to a printerCan be connected to a circulatingRefractive index scale

Refractive Index or Abbe number (νd or νe) can be measured at different wavelengths ranging from 450 to 1,100nm. For measurement at wavelengths ranging from 681 to 1,100nm, the optional near infrared ray viewer (Part No.RE-9119) is required. The DR-M2/DR-M4 digitally displays the measurement results of refractive index or Abbe number on the LCD. Measurement can be achieved by matching the boundary line at the intersection point of the cross hairs. These refractometers can be connected to the digital printer. The DR-M4 is a high refractive index version of the DR-M2, with a refractive index measurement range of 1.4700 to 1.8700 (at a wavelength of 589nm). The DR-M4 shares common appearance and features with the DR-M2


Icons, for functions, specifications and scales have been added to this catalogue

Can be connected to a recorderCan be connected to a recorderMeasurement at a set temperatureMeasurement at a set temperature
Can be connected to a printerCan be connected to a printerAutomatic Temperature CompensationAutomatic Temperature Compensation
Alarm output for high- and low-limit valuesAlarm output for high- and low-limit valuesCan be connected to a circulating Can be connected to a circulating
RS-232C InterfaceRS-232C InterfaceContinuous measurementContinuous measurement
In-line measurementIn-line measurementHigh temperature samplesHigh temperature samples
User scales can be inputtedUser scales can be inputtedExternal Light InterferenceExternal Light Interference


Calibration with waterCalibration with waterClinical refractometersClinical refractometers
Calibration with exclusive standard liquidCalibration with exclusive standard liquidRefractive index scaleRefractive index scale
Compact and easy to carryCompact and easy to carrySalt concentration scaleSalt concentration scale
Digital displayDigital displaySeawater scaleSeawater scale
AC outlet (AC100 to 240V)AC outlet (AC100 to 240V)Wine scaleWine scale
Battery operatedBattery operated  
    • SKU
    • Commodity Codes
  • Manufacturer
    Atago Co Ltd
  • Country of Origin