Environmental
Temperature – 
Operating: 0° C to +45° C. 
Non-operating: –20° C to +60° C.
Humidity – 95% RH, non-condensing. 
EMI Emissions –
EN55011 class A. 
EN60555-2.
Power
Battery Operation –
Battery Type: Six AA Alkaline. 
Operating Time: >4.5 hrs. with backlight off. 
Battery Saver: Selectable for 5 to 30 minutes 
or disabled.
Physical
Dimensions mm in.
Height 141 5.6 
Width 211 8.3 
Depth 43 1.8
Weight kg lb.
Net 1 2.2
TelScout TS90
Includes: Test Leads (two pair), Carrying
Case, Alkaline Batteries (six), User Manual.
TS90 OPTIONAL ACCESSORIES 
Rechargeable NiCad Battery Pack –
THM5BAT.
External Charger for NiCad Battery Pack –
THM5CHG. 
Includes: DC Adapter, Charger Pedestal, and
one of following wall transformers (specify 
when ordering):
Standard – 110 V US. 
Opt. A1 – 220 V Universal Euro. 
Opt. A2 – 240 V UK. 
Opt. A3 – 240 V Australia. 
Opt. A6 – 110 V Japan.
Strand Hook (D-Ring) – 354-0745-00. 
Service Manual – 071-0095-00.
LANGUAGE OPTIONS 
Standard – English. 
Option L1 – French. 
Option L4 – Spanish/Portuguese (Spanish
default).
Option L6 – Portuguese/Spanish (Por-
tuguese default).
Option LC – Czechoslovakian. 
Option LD – Dutch/French (Dutch default). 
Option LF – Finnish.
Test Signal Output – 1/2 Sine, balanced. 
Amplitude – ≤6 V into 105 Ω. 
Output Impedance – 105 Ω nominal. 
Pulse Widths – 5 ns to 2,500 ns (auto-
matic). 
Input Protection – ±200 V, DC + peak AC, to
a maximum of 440 Hz. 
Maximum Range – 15,000 m (45,000 ft.)
depending on cable type and condition. 
Cursor Resolution – 0.4% of selected
range. 
Display – 5.25-in. high-contrast, high-
resolution, backlit LCD, 520 x 200 pixels.
Display Ranges – Eleven automatic display 
ranges plus single-button expand window.
Filter – High pass, cutoff frequency 
150 kHz, user selectable.
Amplifier – 5 mV reflection produces a fullscreen vertical deflection.
Gain – 0 to 63 dB. 
Horizontal Design Accuracy –
0.01% ± 300 ps ± Vp uncertainty ± cursor 
resolution.
TelScout 
TS90 
Characteristics
General 
Characteristics
Ordering 
Information
2/01 TD/XBS 22W–11853-0
For more information, contact:
Tempo Europe Ltd. 
Maesglas Industrial Estate, Newport, Wales, NP202NN 
www.tempo.Textron.com 
Tel: +44 (0) 1633 225 600 Fax: +44 (0) 1633 254 009