The Anritsu S331E Site Master is a rugged, handheld cable and antenna analyzer designed for field maintenance of wireless communications networks. Operating from 2 MHz to 4 GHz, it provides comprehensive sweep capabilities including Return Loss, VSWR, Cable Loss, Distance-to-Fault (DTF), Phase, and 2-port Transmission measurements. Built to handle punishing field conditions, the S331E features a daylight-viewable 8.4-inch touchscreen display, a 4-hour battery life, and supports advanced options like a high-accuracy power meter and built-in GPS.
Specifications
General
| Parameter | Value |
|---|---|
| Display | 8.4-inch TFT color touchscreen, 800 x 600 resolution |
| Standard Warranty | 3 years |
Physical
| Parameter | Value |
|---|---|
| Operating Temperature | -10 to 55 |
| Dimensions (W×H×D) | 273 × 199 × 91 |
| Weight | 2.71 |
Frequency Specifications
| Parameter | Value |
|---|---|
| Frequency Range | 2 MHz to 4 GHz |
| Frequency Accuracy | ±1.5 ppm (@ 25 °C) |
| Frequency Resolution | 1 kHz |
| Interference Immunity (On-Channel) | +17 dBm @ > 1.0 MHz from carrier |
| Interference Immunity (On-Frequency) | 0 dBm within ±10 kHz of carrier frequency |
Measurement Capabilities
| Parameter | Value |
|---|---|
| Data Points per Sweep | 137, 275, 551, 1102, 2204 |
| Sweep Time | 1 ms / data point (typical) |
Analyzer Performance
| Parameter | Value |
|---|---|
| Directivity | > 42 dB (with O.S.L. calibration) |
| Maximum Input (Damage Level) | +25 dBm CW, 50 VDC |
High Accuracy Power Meter (Option)
| Parameter | Value |
|---|---|
| High Accuracy Power Meter | Supported (Option 19) |
GPS Receiver (Option)
| Parameter | Value |
|---|---|
| GPS Receiver | Supported (Option 31) |
Interfaces and Connectors
| Parameter | Value |
|---|---|
| RF Test Port Connector | Type N(f) |
| RF Test Port Impedance | 50 Ω |
Display and User Interface
| Parameter | Value |
|---|---|
| Display Size | 8.4 inches |
Data Storage and Software
| Parameter | Value |
|---|---|
| Internal Memory Capacity | > 2,000 files / traces |
| PC Analysis Software Compatibility | Line Sweep Tools (LST), Master Software Tools (MST), easyTest Tools |
Power Specifications
| Parameter | Value |
|---|---|
| Battery Type | Lithium-Ion (Li-Ion) |
Environmental and Regulatory
| Parameter | Value |
|---|---|
| Storage Temperature Range | -40 °C to +71 °C |
Performance
| Parameter | Value |
|---|---|
| Measurement Speed | 1 ms / data point (typical) |
Measurement Ranges & Resolution
| Parameter | Value |
|---|---|
| Return Loss Measurement Range | 0 to 60 dB |
| Return Loss Resolution | 0.01 dB |
| VSWR Measurement Range | 1:1 to 65:1 |
| VSWR Resolution | 0.01 |
| Cable Loss Measurement Range | 0 to 30 dB |
| Cable Loss Resolution | 0.01 dB |
| Phase Measurement Range | -180° to +180° |
| Phase Resolution | 0.01° |
| Smith Chart Resolution | 0.01 |
| Distance-to-Fault (DTF) Range | 0 to 1500 m (0 to 4921 ft) |
Calibration
| Parameter | Value |
|---|---|
| Supported Calibration Types | Standard OSL, InstaCal, FlexCal |
Environmental
| Parameter | Value |
|---|---|
| Relative Humidity | 5% to 95% at +40 °C (non-condensing) |
| Maximum Altitude | 4600 m (15,092 ft) |
| Shock and Vibration | MIL-PRF-28800F Class 2 |
Display
| Parameter | Value |
|---|---|
| Display Resolution | 800 x 600 pixels |
Options & Upgrades
| Parameter | Value |
|---|---|
| Internal Power Meter (Option 29) Frequency Range | 10 MHz to 4 GHz |
Technology
RF / Microwave
Applications
Base station maintenance, cellular network testing, cable and antenna installation