The Stevens Type F Chart Recorder is a portable recorder that provides a continuous water or tank level record in graphical format.
The Type F is used either as a primary device or as a very reliable backup instrument to record water or tank level. A single chart can provide up to 32 days of continuous level recording.
The Type F chart recorder's real-time graph shows the water level against a record of time. The range of chartable water level is limited only by the length of the float line and float size. The Type F is often used simultaneously with electronic data loggers. The Stevens A/F Encoder or SDI-12 Encoder can easily by attached directly to the Type F to transmit water level measurement to a data logger or used for transmission of water level or flow information.
- A true real-time, immediate charted measurement
- Long-term unattended operations
- Low power usage
- Highly accurate and permanently records the varying levels of any liquid surface without electronic processing
- Easy to install and maintain
- Ideal in areas with high lightning potential
|Inches (cm) Per Day||Chart Life||Value of Smallest Chart Division|
|0.3 (0.76)||32 days||8 hours|
|0.6 (1.5)||16 days||4 hours|
|1.2 (3.05)||8 days||2 hours|
|2.4 (6.1)||4 days||1 hour|
|4.8 (12.2)||2 days||30 minutes|
|9.6 (24.4)||1 day||15 minutes|
|19.2 (48.8)||12 hours||7.5 minutes|
0.01 foot (3 mm) at 1:1 scale using 5 inch (127 mm) diameter float
0.002 foot (0.6 mm) using a large enough float
|Power||Quartz multi-speed timer with eight “D” cell batteries or 6 to 14 VDC external supply|
|Height||10 in. (254 mm) with cover closed|
|Length||14.25 in. (362 mm) not including pulley|
|Width||9.5 in. (241 mm)|
|Weight||25 lbs (11.33 kg) approx.|