AccuMAX Radiometer/Photometer-Kit (ASTM)

Readout Unit (XR-1000)

• Resolution: 4-digit auto-ranging display with backlight
• Screen: 128 x 64-dot pixel chip on glass STN transmissive monochrome LCD 2.8 in (7.1 cm) diagonal
• Sampling Rate: 7.5 Hz (Single Sensor); 15 Hz (Dual Sensor)
• Read Update: 2 Hz
• Overall Accuracy: Better than ±5% with reference to NIST standards
• Temperature Coefficient: ±0.025%/°C (0 to 50°C)
  

Dual UV-A/Visible Sensor Detector (XDS-1000A)

• UV-A Sensor 0-100 mW/cm² Measurement Range / 320-420 nm Spectral Range
• Visible Sensor 0-5,300 lux (0-500 fc) Measurement Range / 460-675 nm Spectral Range

Power Requirements

• Battery Operation: Two non-rechargeable 9V alkaline battery cells are included as standard
  

Dimensions
Readout Unit
• Length 7.75 in (19.7 cm)
• Width 4.25 in (10.8 cm)
• Thickness 1.25 in (3.2 cm)
• Weight 0.8 lb (360 g)
Sensor
• Length 4.75 in (12.0 cm)
• Width 2.0 in (5.1 cm)
• Thickness 7/8 in (2.2 cm)
• Weight 0.22 lb (100 g)

• ASTM E3022 Designed
• Designed for ASTM E2297
• MIL Standard Certified
• NIST-Compliant ±5% Accuracy
• Declaration of Conformity

• American-Made Quality: Manufactured in the USA with NIST-compliant ±5% accuracy, ensuring dependable measurements that meet the highest quality control standards.
• Microprocessor-controlled readout unit with dual-wavelength sensor detector
• Superior bandpass interference filter
• Choice of direct or USB connection between sensor detector and readout unit
• Excellent cosine response
• Sealed sensor housing and USB connection with water-resistant adapter
• Multilingual - includes more languages. User-selectable, multilingual display settings at any operational level. Choose from English, French, German and Spanish

• XR-1000 Readout Unit: Monochrome LCD with 4-digit auto-ranging display.
• XDS-1000A Dual UV-A/Visible Sensor Detector
• XCB-100 Water-Resistant USB Cable and Adapter
• XRB-100 Protective Rubber Boot
• XCC-100 Carrying Case
• Calibration Certificate

What is the AccuMAX™ used for? It's a handheld digital radiometer/photometer used to measure UV-A and visible light intensity output from inspection lamps, confirming they meet the minimum intensity required for compliant fluorescent penetrant and magnetic particle inspection.

Who uses the AccuMAX? NDT quality technicians, calibration labs, and aerospace inspectors who need a battery-operated meter for the factory, field, or any location where lamp verification happens. It's Spectro-UV's gold-standard radiometer line, with NIST-traceable calibration and multilingual display support.

What's the difference between the XRP-3000 and XRP-3000A? Both share the same measurement ranges (0-100 mW/cm² UV-A, 0-5,300 lux visible) and ±5% NIST-referenced accuracy. The XRP-3000A is designed to ASTM E3022 and ASTM E2297; the standard XRP-3000 isn't compliance-designed to either standard.

How often does my UV radiometer need to be recalibrated, and what happens if it's past due?  Most NDT specifications (including ASTM E1417 and ASTM E1444) require UV radiometers to be calibrated at a defined interval, typically every six months, unless your governing spec or customer requirements state otherwise. A meter that is past its calibration due date should be taken out of service and recalibrated before it is used for acceptance readings, even if it hasn't been used while in storage.

Does my radiometer come with a calibration certificate, and is it NIST-traceable or ISO/IEC 17025 accredited?  Yes. Every new Spectro-UV radiometer ships with a NIST-traceable calibration certificate tied to the unit's serial number.