HR4 Spectrometers

High Resolution and Low Stray Light

HR4 is a high-resolution spectrometer with rapid acquisition speed and great thermal stability for applications from plasma monitoring to DNA/RNA analysis. HR4 is compact and robust, with enhanced electronics to ensure reliable performance in demanding environments.

HR4 Series

Disclaimer: Wavelength range and optical resolution specifications are typical values. Actual performance may vary depending on configuration, selected components, and operating conditions.

Specifications	Part Number	Wavelength Range	Optical resolution (FWHM in nm)						Grating Groove Density (lines/mm)	Grating Blaze Wavelength	Available at Edmund Optics25 μm slit only
			5 μm slit	10 μm slit	25 μm slit	50 μm slit	100 μm slit	200 μm slit
UV-Vis options:	HR-4UVV300-XX	200 – 660 nm	0.26	0.48	0.57	0.96	1.82	3.48	600	300 nm	Buy Now
Vis options:	HR-4VIS500-XX	400 – 850 nm	0.26	0.48	0.57	0.96	1.82	3.48	600	500 nm	Buy Now
UV options:	HR-4UV220-XX	250 – 400 nm	0.08	0.15	0.18	0.30	0.56	1.07	1800	Holographic	—
	HR-4UV250-XX	190 – 413 nm	0.12	0.22	0.26	0.44	0.84	1.61	1200	Holographic	—
UV-Vis options:	HR-4UVV250-XX	190 – 880 nm	0.40	0.74	0.88	1.48	2.80	5.36	400	250 nm	—
	HR-4UVV330-XX	250 – 700 nm	0.36	0.67	0.79	1.33	2.52	4.82	500	330 nm	—
Vis options:	HR-4VIS400-XX	350 – 800 nm	0.26	0.48	0.57	0.96	1.82	3.48	600	400 nm	—
	HR-4VIS450-XX	450 – 500 nm	0.06	0.11	0.13	0.22	0.42	0.80	2400	Holographic	—
	HR-4VIS550-XX	450 – 650 nm	0.12	0.22	0.26	0.44	0.84	1.61	1200	Holographic	—
	HR-4VIS600-XX	530 – 645 nm	0.08	0.15	0.18	0.30	0.56	1.07	1800	Holographic	—
Vis-NIR options:	HR-4VN400-XX	340 – 1025 nm	0.4	0.70	1.20	1.48	2.80	5.36	400	400 nm	—
	HR-4VN750-XX	520 – 955 nm	0.26	0.48	0.57	0.96	1.82	3.48	600	750 nm	—
NIR options:	HR-4N500-XX	735 – 1000 nm	0.17	0.31	0.37	0.63	1.19	2.28	900	500 nm	—
	HR-4N750-XX	750 – 900 nm	0.12	0.22	0.26	0.44	0.84	1.61	1200	750 nm	—
	HR-4N1000-XX	750 – 1100 nm	0.26	0.48	0.57	0.96	1.82	3.48	600	1000 nm	—
Ethernet options:	HR-4N750EN-XX	750 – 900 nm	0.12	—	—	—	—	—	1200	750 nm	—
	HR-4UVV250EN-XX	190 – 880 nm	—	—	0.88	—	—	—	400	250 nm	—
	HR-4VN750EN-XX	520 – 955 nm	—	—	0.57	—	—	—	600	750 nm	—
Extended-range options:	HR-4XR200-XX	220 – 1100 nm	0.54	1.00	1.19	2.00	3.78	7.24	300	200 nm	—
	HR-4XR300-XX	200 – 1100 nm	1.04	1.09	1.66	2.18	3.46	5.07	300	Composite	—
	HR-4XR500-XX	190 – 1100 nm	0.54	0.80	1.00	2.00	3.78	7.24	300	500 nm	—
Slit Options		5, 10, 25, 50, 100, 200 µm
Integration time		3.8 ms – 10 s
SNR (single scan @ 10 ms)		250:1
SNR (max. per second w/High Speed Averaging Mode)		3,000:1
Connectors		SMA, TFM-108-02-L-DH Samtec, USB Type-C
Physical dimensions		148.8 x 106.4 x 48.2 mm
Weight		0.9306 kg
Temperature (operation)		0 °C – 55 °C
Temperature (storage)		-30 °C – 70 °C