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Telewave 44D Digital Broadband RF Wattmeter (NEW!)
Telewave Digital Wattmere
Telewave's Model 44D RF Digital Wattmeter represents the latest generation of Wattmeter technology, addressing the more demanding requirements associated with digital modulations and protocols. The 44D combines the rugged reliability of its predecessor, the 44A, with more accurate and comprehensive measurement capabilities.

The Model 44D RF Digital Wattmeter is a compact, versatile test instrument used for direct measurement of forward and reflected RF power in a coaxial transmission line under any load conditions. It is capable of accurately measuring legacy analog modulated signals as well as signals modulated with the newest digital modulation schemes.

Like the 44AP, the Model 44D includes an RF sampling port, but with an output 50 dB below the total transmission line level, for frequency measurement, signal injection, or spectral analysis. The RF sample port on the Model 44D samples a low level of RF power as it passes through the instrument. It allows injection of a signal into the device under test, or can be used for spectrum analysis and frequency measurements without affecting operation of the meter.

The Model 44D does not require field calibration, frequency elements (slugs), or the use of correction tables for any temperature or frequency within specification. It also features USB and WiFi connectivity for monitoring on a separate device.

Features
  • Cal Digital Analog Modulation P2S(&2), Tetra, DMR, NXDN, D-Star, LTE, QAM, OFDM, AIS, WNFM, NBFM, AM, SSB. etc
  • Frequency (model dependent) 30 - 1000Mhz
  • Bi-Directional Power 1 - 500W
  • Accuracy +/- 3%
  • USB and WiFi Connectivity for remote monitoring
  • Bi-Directional -50dB sampling port
  • Connector options BNC/TNC/DIN4.3/10 (N female standard)
  • Impedance, Primary Line : 50 Ohms nominal
  • Dimensions (LWH) 17.15x 14 x 10.15cm (excluding handle)
  • Battery Life (awake) - 8 hours after full charge via USB port
  • Weight : Estimated 1400 g

Telewave 44 Series Broadband RF Wattmeters
Telewave 44-Series RF WattmeterTelewave Model 44 series RF Wattmeters are compact, versatile instruments used for direct measurement of forward and reflected RF power. No elements, inserts, or bandswitching required. These instruments are ideal for mobile radio installations as well as base stations. Models with a -P suffix include an RF sampling port, with an output 40dB below the transmission line level, for frequency measurement or spectral analysis.

Features
  • No band switching - No inserts or "slugs" required.
  • Frequency range: 25 - 1000Mhz (44A & 44AP) and 2 - 200MHz (44L1 & 44L1P)
  • Measures forward and reflected power
  • Shock-mounted meter movement
  • N or UHF Quick-Change connectors
  • Optional -40dB RF sampling port.
  • Full Scale Power Ranges : 5, 15, 50, 150, 500W
  • Impedance, Primary Line : 50 Ohms nominal
  • VSWR : 1.1 maximum
  • RF Sampling Port (-P suffix) : 40dB +/- 2dB
  • Dimensions: 169(h) x 102(w) x 83(d) mm
  • Weight : 1360 g

Telewave Low Power Coaxial RF Loads
Telewave Low Power Coaxial RF Loads
Telewave offers a full selection of coaxial loads with extremely low VSWR. Applications include hybrids, isolators power monitors, wattmeters, and coaxial line terminations. All loads are built to withstand bench or field use. Power rating provides substantial overload protection. Unlike liquid dielectric loads, these dry dielectric loads can be operated in any position. Connectors have Silver Plated centre pins for optimum conductivity. (Except the TWL-01 with a Gold Plated centre pin).

Features
  • Extremely Low VSWR
  • CW Power Ratings to 75 W
  • Broad Frequency Range
  • Rugged Construction
  • Type N or UHF connectors

Model Number
TWL-01
TWL-35
TWL-60
Nominal Impedance
50 Ohms
50 Ohms
50 Ohms
Max CW Power (Average)
1W
35W
60W
Frequency
0 - 1Ghz
0 - 2.5GHz
0 - 2.5GHz
Max VSWR (N connector)
1 : 1.22
1 : 1.05
1 : 1.05
50% Overload Rating
2 min
2 min
2 min
Temp Rating (100% Power)
40°C
40°C
40°C
Temp Rating (50% Power)
95°C
95°C
95°C
Dimensions (H x D) mm
25 x 20
36 x 41
60 x 40
Weight
30g
110g
180g

Telewave Coaxial RF Loads (50W - 300W)
Telewave Medium Power RF Loads 50W - 300W
Telewave coaxial loads feature extremely low VSWR. Conservative power rating provides substantial overload protection. These dry dielectric loads can be operated in any position. All connectors have gold-plated centre pins for optimum conductivity. Quick-change connectors are standard on Telewave loads from 50W and up, except TWL-60. Specify connector type(s). Straight or elbow-type male-male adaptors available.

Features
  • Extremely Low VSWR
  • CW Power Ratings to 300 Watts
  • Dry Dielectric
  • Broad Frequency Range
  • Rugged Construction
  • Type N or UHF, M/F connectors

Model Number
TWL-50
TWL-75
TWL-100
TWL-100HS
TWL-150
Nominal Impedance
50 Ohms
50 Ohms
50 Ohms
50 Ohms
50 Ohms
Max CW Average Power
50W
75W
100W
100W
150W
Frequency
0 - 2.5GHz
0 - 2.5GHz

0 - 2.5GHz

0 - 2.5GHz

0 - 2.5GHz
Max VSWR (N-Connector)
1 : 1.1
1 : 1.05
1 : 1.05
1 : 1.05
1 : 1.05
50% Overload Rating
2 min
2 min
2 min
2 min
2 min
Temp Rating (100% Power)
40°C
40°C
40°C
40°C
40°C
Temp Rating (50% Power)
95°C
95°C
95°C
95°C
95°C
Dims (H x diameter) mm
152 x 43
203 x 57
203 x 89
-
-
Dims (H x W x D) mm
-
-
-
178x79x79
165x90x165
Weight
500g
900g
2.2Kg
1.1Kg
2.2Kg
Model Number
TWL-300
Frequency Range
0 - 1GHz
Power Input (max)
300W
Nominal Impedance
50 Ohms
VSWR (max)
1.25 : 1
Return Loss (typical)
18 dB
Connector
N Female
Dims (H x W x D in mm)
190 x 241 x 63.6
Mounting
Flat Surface
Footprint (mm)
241.3 x 120.6
Weight
28.6 Kg
Finish
Black Anodized
Telewave Coaxial Loads 300 Watts
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