Table of Contents
Advertisement
Quick Links
Advertisement
Table of Contents
Related Manuals for Scientific DRT-15CE
Summary of Contents for Scientific DRT-15CE
- Page 1 DRT-15CE PORTABLE TURBIDIMETER OPERATING & MAINTENANCE MANUAL...
-
Page 2: Operation And Description
OPERATION AND DESCRIPTION To operate the turbidimeter, it is first necessary to standardize the instrument. Switch to the “10” range and place the Calibration Standard (0.02 NTU) in the optical well. The EPA recommends that cuvettes used for instrument calibration or sample measurement be indexed. For quick and repeatable indexing of the Calibration Standard, an indexing ring and locator pin are included with this instrument. -
Page 3: Recorder Output
RECORDER OUTPUT The DRT-15CE has a 0-1 mA Recorder Output. The mA output jack is located on right side of the chassis (refer to Figure 2). To use, connect the 1/8" miniplug provided to your recorder. Adjust R17 (pot nearest jack) to obtain a full scale output compatible to a full scale reading on the DRT- 15CE. -
Page 4: Calibration Procedures
CALIBRATION PROCEDURES Calibration Standards 7.1.1 ProCal Standard Set (optional) Catalog No. 39071 HF ProCal Standards are recommended and certified by HF scientific. They are traceable to freshly prepared formazin primary standards. These standards are very easy to use off the shelf anytime without preparation making them an ideal turbidity standard. A Certificate of Traceability is available on request to the HF scientific Customer Service Department. HF ProCal Standards may be used for calibration of HF turbidimeters. Order from HF scientific, inc. - Page 5 Each kit contains: Instruction manual 1 liter of 4000 NTU Stock Suspension 1 Gallon (3.79 liters) turbidity-free water 4 Sample cuvettes (28 mm) 4 Light Shield Caps Graduated Pipettes 1 ea. in 1 ml, 10 ml, & 25 ml 1 Calibration Standard The following table gives the recommended dilutions of the stock suspension.
- Page 6 To gain access to the trimpots, remove the accessories from the foam holder. Refer to figure 2 for trimpot identification during the next few steps. 1. Turn the DRT-15CE to the 0 - 10 Range. 2. Insert the calibration standard and index it as described in "Operation and Description".
-
Page 8: Troubleshooting
TROUBLE SHOOTING Symptom Meter does not respond when a sample is set into the well. Possible Cause 1. Lamp is burned out. Replace the lamp and recalibrate. 2. Printed Circuit Board failure. Replace Printed Circuit Board. 3. Battery is low. Charge battery. In the case of 1 or 2 the in strument should be recalibrated. -
Page 9: Maintenance
2. Charger is defective or is not connected to a valid power source. Check for "~" indication on display. MAINTENANCE The DRT-15CE is not designed for field servicing. It should be returned to your local distributor or to HF scientific for any service require m ents. Be sure to obtain a return authorization number prior to return. This will facilitate prompt servicing of the unit. The excep tions are Battery and Lamp Assembly replacement. This can be done in the field provided the new battery is installed in the same manner as the battery being replaced. -
Page 10: Lamp Replacement
LAMP REPLACEMENT The lamp source (HF catalog #21084) used in the DRT-15CE has an extremely long life. Before replacing the lamp, make certain that the battery is not in need of a charge and is not defective. Prior to replacing the lamp, remove the battery as described in battery replacement. -
Page 11: Warranty
HF scientific, inc. assumes no liabil i ty for conse q uential damage of any kind, and the original purchaser, by placement of any order for the in strument, or parts thereof, shall be deemed liable for any and all damages incurred by the use or misuse of the in struments, or parts thereof, by the purchaser, its employ ees, or others, following receipt thereof. - Page 15 3170 Metro Parkway, Fort Myers, FL 33916-7597 Tel: (239) 337-2116 Fax: (239) 332-7643 Toll free: 888-203-7248 www.hfscienti c.com...
Need help?
Do you have a question about the DRT-15CE and is the answer not in the manual?
Questions and answers