Spartan 821/721 Manual
Available Options and Accessories
6
1.3.3 Ordering Information
Additional information including can be found on the Larson Davis Website:
Equivalent Electrical
Impedance Adapter Options
12 pF, BNC Input Adapter for ½-inch microphone (ADP090).
This adapter is
used for electrical testing.
BNC In-Line, Low Pass Filter, 75kHz (ADP092)
This adapter acts as a series
capacitor with the same capacitance as the microphone it replaces. If you’re
making a square wave pulse measurement, include a 75kHz, low pass, T-filter with
the adapter.
Accessory Cables
•
Microphone Extension Cable, shielded: (EXCXXX) where XXX is the length in feet (Available in 10, 20,
50, 100, and 200-foot lengths)
•
Wireless charge pad Qi/WPC-compatible receiver (PSA046) with USB cable
•
Cable, 2.5 mm power connector to Anderson Powerpole for outdoor noise monitoring system
(CBL241-01)
Table 1.2 Hardware Options and Accessories (Continued)
Description
Options Available
Table 1.3 Spartan Sound Level Meters
Model
721IH
721IH-D
821IH
821IH-D
Class
2
2
1
1
Time History
Logging
✓
✓
✓
✓
Measurement
History
✓
✓
✓
✓
Dosimetry
✓
✓
✓
✓
OBA (1/1 and 1/3
Bands)
✓
✓
Table 1.4 Spartan Order Item Details
Part Number
Description
721IH
Spartan Model 721 class 2 sound level meter with logging, measurement history,
free-field microphone (50mV/Pa), preamplifier (PRM721), X21-SD-8G, & USB-C
cable (CBL242-03), and noise dosimetry (X21-DOS)
721IH-B
Spartan Model 721 class 2 sound level meter without microphone, preamplifier
or accessories except USB-C cable (CBL242-03) and noise dosimetry (X21-DOS).
Meter body, X21-SD-8G, and USB-C cable only
