Song Meter SM4M User Guide Supplement
4 Specifications
Wildlife Acoustics, Inc.
page
21
4
Specifications
4.1
Physical Specifications
SM4M Submersible
Length/Height:
35.8 +/-0.3 inches (90.9 +/- 0.8cm)
includes eyebolt and hydrophone cage
Diameter:
6.6 inches (16.8 cm)
Eyebolt Anchor:
1.0 in (2.5 cm) inner diameter
1.7 in (4.3 cm) outer diameter
2.0 in (5.1 cm) height off housing
Weight (Dry):
21.0 lb (9.5 kg) without batteries
31.0 lb (13.5 kg) with 32 batteries
Buoyancy (salt water): 12.0 lb (5.5kg) without batteries
3.0 lb (1.5 kg) with 32 batteries
Rated Depth:
500ft (150 m)
Operating Temperature:
-4°F to 122°F (-20°C to 50°C)
SM4M Deep Water
Length/Height:
58.3 in (148 cm)
includes bottom bracket and hydrophone cage
Diameter:
6.5 in (16.5 cm)
Mounting Bracket
Slots:
1.5 in (3.8 cm) high
3.0 in (7.6 cm) wide
Weight (air):
53.8 lb (24.4 kg) without batteries
71 lb (32.2 kg) with 64 batteries
Buoyancy (salt water):
2.2 lb (1 kg) without batteries
-21.6 lb (-9.8 kg) with 64 batteries
note negative buoyancy with batteries
Rated Depth:
3,280 ft (800 m)
4.2
Power Specifications
Main Batteries
: Stanard D size disposable alkaline batteries (1.5V) or
rechargeable NiMH batteries (1.2V). The SM4M Submersible accepts up to 32 D-
size batteries and the Deep Water accepts up to 64 batteries. A minimum of 4
batteries is necessary for the recorders to function.
Clock Backup Battery Type
: 3.0-volt lithium CR2032 (approximate 3-year life)