Dissolved Oxygen Probe Instruction Manual 850087 SPER SCIENTIFIC LTD.
TABLE OF CONTENTS I. INTRODUCTION ............................................................................. 2 II. PANEL DESCRIPTION.................................................................... 2 III. CALIBRATION................................................................................. 3 IV. MEASUREMENT PROCEDURES .................................................. 3 V. MAINTENANCE .............................................................................. 3 VI. SPECIFICATIONS..........
III. CALIBRATION For best results, calibrate the unit in an open and well-ventilated area. • Plug probe into the PROBE INPUT SOCKET. • Make sure the PROBE LOCK is in the lock position. • Turn on the instrument by pressing the POWER button. • Press the B & LEFT (O2, mg/L) button and select the O2 mode. The mode indicator "% O2" is displayed. • Press the C & DOWN (ZERO) button once and "0" is displayed at first, followed by the measurement. The unit takes up to 5 minutes to achieve a stable reading.
VI. SPECIFICATIONS Unit of Msrmt. Range Resolution Accuracy mg/L 0 ~ 20 0.1 ±0.4 ºC 0 ~ 50 ºF 32 ~ 122 0.1 0.8 1.5 Operating Temperature (meter) 0°C to 50°C (32°F to 122°F) Operating Humidity Max. 80% RH Probe Size Diameter: 0.9" (22mm) Length: 4.7" (120mm) Cable: 13' (4 meters) Refer to the 850081 Water Quality Meter Instruction Manual for meter specifications.
