Size |
60 mm x 48 mm x 19 mm (2.4" x 1.9" x 0.7") |
Weight |
65 g (2.3 oz.) |
Case Material |
Polyurethane or Nory / Plastic |
Operating Limits |
-40 to 85°C (-40 to 185°F); 0 to 100% RH |
Clock Accuracy |
±2 seconds per day plus one sampling interval |
Battery |
3.6 volt Lithium, 10-year typical |
Memory Size |
Variable up to 32,767 readings |
Sampling Methods |
First-in First-out, Fill-then-stop, Delayed start, Trigger start |
Sampling Rages |
User selectable rates from 5 per second to once every 12 hours |
Resolution |
8 bit (1 part in 256). Can be optimized to the equivalent of 10 bit resolution |
Communication |
Optical Send/Receive from up to 1" between logger and interface cable (with no obstructions) |
Alarm Type |
Optical (Red LED) |
External Connector |
Removable; IP 67 occasional submergence rating (OWL model 100 only) |
PC Requirements |
IBM PC or 100% compatible |
Software Requirements 1. Windows® -- Windows® version 3.1 or later already running with at least 2 MB or RAM memory and 2 MB or hard disk space 2. DOS-MS DOS version 3.0 or later and at least 512 K of RAM memory. TrendReader® for DOS supports a wide range of printers and plotters. |
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) |
Interface Cable Specifications |
PC Connector |
Female DB 9 pin connector |
Logger Connector |
Anodized Aluminum optical connecting tube |
Cable length |
1.8 meters (6 feet) |
Internal Temperature Model |
Thermistor Type |
NTC Thermistor (10K ohms @ 25°C) |
Operating Range |
-40 to 85°C (-40 to 185°F); 0 to 100% RH |
Total Accuracy |
±0.5°C (0.9°F @ 77°F). Can be increased by using narrow range feature |
Standard Resolution |
0.5°C (0.9°F) at 25°C (77°F). Better than 1°C (1.8°F) between -25°C (77°F) and 70°C (158 °F). Better than 2.0°C (3.6°F) between -40°C (-40°F) and -25°C (-13°F) Can be increased by using narrow range feature |
Submergence Rating |
100 m (328') in fresh water |
External Temperature Model |
Thermistor type |
NTC (10K ohms) |
Logging Accuracy |
±1% of range, probe required |
AC Current Model 300 |
Frequency Ranges |
60 Hz - A60FL and A70FL current probes |
50 Hz - A65FL and A75FL current probes |
Current Ranges |
With OWL A60FL and A65FL |
current probes 5, 25, 100, 250 Amps |
With OWL A70FL and A75FL current probes |
0, 50, 250 and 500 Amps |
Accuracy |
±3% F.S. above 10% range, Probe required |
DC Voltage Model 400 |
Input Range |
0 to 38.4 volts max. DC (software selectable ranges available) |
Input Impedance |
Greater than 100 K ohms |
Accuracy |
±1% of full scale |
DC Current Process Model 500 |
Input Range |
0 to 24 mA max. DC |
Input Impedance |
100 ohms |
Accuracy |
±1% of full scale |