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ACR JR. Specifications
Single Channel Temperature Data Logger
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Features
The ACR JR. data logger is the easiest to use electronic data logger available. With its precision calibrated internal temperature sensor, all you have to do is place the logger in the field and leave it. Once you have gathered the desired information, simply plug the logger into a PC's serial port and view the logged information. That's it!
Product Specifications
| Type | Negative Temperature Coefficient Thermistor (NTC). 10,000 ohms @ 25oC (77oF). |
| Resolution | 0.4oC @ 25oC. (0.7oF @ 77oF). |
| Sensor Accuracy | +/-0.2oC. (+/-0.3oF). |
| Memory Size | 8 K (with compression up to 32 K). Typical 22 days (depending on the rate of temperature change). Maximum 44 days. |
| Sampling Method | First-in First-out. |
| Sampling Rate | 1 reading every 2 minutes. |
| Size | 33 x 43 x 20 mm (1.3" x 1.7" x 0.75"). |
| Weight | 1 ounce (29 grams). |
| Case Material | Polyurethane. |
| Mounting | Magnetic backing. |
| Operating Limits | -40oC to 85oC (-40oF to 185oF). 0 to 95% RH (non-condensing). |
| Clock Accuracy | +/-2 seconds per day. |
| Battery | 3 volt Lithium; 0.5 Amp-Hour. |
| Battery Life | Five years warrantied (under normal use). |
| PC Requirements | IBM PC or 100% compatible running MS Windows 3.1, '95, '98, or NT, with at least 2 MB RAM, 2 MB of hard drive disk space and one free serial port. |
| Product Approvals | Meets Part 15 for Digital Devices of the Code of Federal Regulations of the Federal Communications Commission (FCC). Meets Class A radiated and conducted emission requirements of Section 2 of the Radio Interference Regulations of Communications Canada. IEC801-2, 3, 4 and EN55011 covering ESD, RFI Immunity, EFT/Burst and Radiated Emissions respectively for the Commission of the European Communities (CE). |
| Resistance to X-Rays | Tested for protection against a 160kV dose @ 5mA for 30 seconds (15OmA-sec) @ 38 inches F.F.D. (about 100 times of an airport X-Ray machine). Tested for protection against Gamma Ray (equivalent to 0.137-1.38 mega volts) IR 192 - 28 curies @ 30 second exposure source to object distance 5". |
| Accuracy Curve | Temperature Sensor Accuracy with ACR JR. |
| Software Specifications | ACR JR. Data Logger Software |
Order Information
| MODEL | MEMORY | CATALOG# |
| ACR-JR | 8 K (up to 44 days) | 01-0056 |
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since 10th May 2000