Level TROLL 400 Data Logger

General:-Level TROLL 400

Temperature ranges:- Operational: -20-80° C (-4-176° F)
Storage: -40-80° C (-40-176° F)
Calibrated: -5-50° C (23-122° F)

Diameter:- 1.83 cm (0.72 in.)

Length:- 21.6 cm (8.5 in.)

Weight:- 124 g (0.27 lb)

Materials:- Titanium body; Delrin nose cone

Output options:- Modbus/RS485, SDI-12, 4-20 mA

Battery type & life:- 3.6 V lithium; 10 years or 2M readings

External power:- 8-36 VDC

Memory
Data Records
Data logs:- 2.0 MB
130,000
50

Log types:- Linear, Fast Linear, and Event

Fastest logging rate & Modbus rate:- 2 per second

Fastest SDI-12 & 4-20 mA output rate:- 1 per second

Real-time clock:- Accurate to 1 second/24-hr period

Sensor type/material:- Piezoresistive; titanium

Calibrated range (usable depth):- Absolute (non-vented)
30 psia (11 m, 35 ft)
100 psia (60 m, 197 ft)
300 psia (200 m, 658 ft)
500 psia (341 m, 1120 ft)

Burst pressure:- Max. 2x range; burst > 3x range

Accuracy (FS):- ±0.05%

Long-term stability:- < 0.1% FS

Resolution:- ±0.005% FS or better

Units of measure:- Pressure: psi, kPa, bar, bar, mmHg, inHg, cmH2O,
inH2O
Level: in, ft, mm, cm, m

Temperature sensor

Accuracy & resolution:- ±0.1° C; 0.01° C or better

Units of measure:- Celsius or Fahrenheit

Footnotes:- 1 Temperature range for non-freezing liquids
2 Typical battery life, when used within the factory, calibrated
temperature range
3 1 data record = date/time plus 2 parameters
logged (no wrapping) from the device within the
factory-calibrated temperature range
⁴ Across factory-calibrated pressure and
temperature ranges. Defined as greater than 98% of
all readings fall within spec across the full temperature
and pressure
⁵ Includes linearity and hysteresis over one year
Specifications are subject to change without notice.
Delrin is a registered trademark of E.I. du Pont de
Nemours and Company.