Hach 911 User Manual page 6

Specifications
Depth Compensated
Temperature
Material
Power Consumption
Cable Material
Cable Lengths Available
Cable Diameter
Dimensions
1
For temperatures above 40 °C (104 °F) add ± 0.3 cm/°C (0.03 in./°F)
General
Certification
Dimensions
Weight
Enclosure Material
Enclosure Rating
Operating Temperature
Storage Temperature
Power Source
Battery Life
User Interface
Monitoring Intervals
Program Memory
Time Based Accuracy
Unit Measurements
Data Storage
Output Conditions
Sampler Output
Communications
Connection
Local Terminal
4
Table 1 911 Flow Meter Specifications (continued)
0 to 70 °C (32 to 158 °F)
®
Noryl plastic outer shell with epoxy potting within
1.2 W @ 12 VDC
Urethane sensor cable with air vent
Standard: 9, 15, 23, and 30.5 m (30, 50, 75, and 100 ft)
Custom: 30.75-76 m (101-250 ft) maximum
0.91 cm (0.36 in.)
2.3 cm H x 3.8 cm W x 13.5 cm L (0.9 in. H x 1.5 in. W x 5.31 in. L)
Table 2 940 Flow Meter Specifications
cCSAus Approved for Class 1 and Division 1
21.9 cm dia. x 60 cm L (8.625 in. x 18.25 in.)
8.16 kg (18 lb)
PVC
NEMA 6P, IP 67
–18 to 60 °C (0 to 140 °F)
–40 to 60 °C (–40 to 140 °F)
One (14 V) 16 amp hour lithium rechargeable battery pack
330 days typical with a 15 minute recording interval, 1 level and 1 velocity, data download once
per week, 10 °C (50 °F) (also affected by site conditions)
Optically Isolated Interface to IBM compatible PC
1, 2, 3, 5, 6, 10, 12, 15, 20, 30, and 60 minutes
Non-volatile, programmable flash, can be updated via RS232 port
±1 second per day
Level: in., m, cm, ft
Flow: gps, gpm, lps, lpm, lph, mgd, afd, cfs, cfm, cfh, cfd, m
3
Totalized Flow: gal, ft , acre-ft, L, m
Capacity: 306 days of 2 level readings and 2 velocity readings at a 15 minute recording interval.
Data Types: Level and Velocity
Storage Mode: Wrap or Slate
Set point on level, velocity, flow, or flow rate of change.
6–12 V dc pulse, 100 mA max at 500 ms duration with approved interface.
Serial connection via optically isolated interface to IBM compatible computer with
analysis software.
RS232 at 19.2 k baud
3
s, m
3
3 3 3
m, m h, m d