MODEL: CTS2

CTS2 SPECIFICATIONS

ES-1902 Rev.2 Page 2/4

http://www.m-system.co.jp/

GENERAL SPECIFICATIONS

Construction

Probe: Clip-around type

Transmitter: Plug-in

Connection

Output & power: M3.5 screw terminals

Input: Connector

Screw terminal: Chromated steel (standard) or stainless

steel

Housing material

Probe: TPE rubber, Polypropylene

Transmitter: Flame-resistant resin (black)

Isolation: Current input to sensor output or transmitter input

or transmitter output to power

Input waveform

RMS sensing: Up to 15 % of 3rd harmonic content

Overrange output: 0 to 120 % at 1 – 5 V

Zero adjustment: -5 to +5 % (front)

Span adjustment: 95 to 105 % (front)

Input range: Selectable with the front DIP switch

among 30, 60, 150 or 300 A, or 300, 600,

1500 or 3000 A

INPUT SPECIFICATIONS

Frequency: 4 Hz – 10 kHz (±3 dB)

Max. operating voltage: 1000 V AC (primary side)

Overload capacity: 1000 % of rating for 3 seconds,

200 % for 10 seconds, 120 % continuous

Operational range: 0 – 120 % of rating

20

4

100

1k

10k

(Hz)

0

(dB)

–3

3

Frequency Characteristics

OUTPUT SPECIFICATIONS

■ DC Current: 0 – 20 mA DC

Minimum span: 1 mA

Offset: Max. 1.5 times span

Load resistance: Output drive 15 V max.

■ DC Voltage: -10 – +12 V DC

Minimum span: 5 mV

Offset: Max. 1.5 times span

Load resistance: Output drive 10 mA max.; 5 mA for

negative voltage output; at ≥ 0.5 V

INSTALLATION

Power input

• AC: Operational voltage range: rating ±10 %,

50/60 ±2 Hz, approx. 2 VA

• DC: Operational voltage range: rating ±10 %, or 85 – 150

V for 110 V rating (ripple 10 % p-p max.)

approx. 2 W (80 mA at 24 V)

Operating temperature

Probe: -10 to +55°C (14 to 131°F)

Transmitter: -5 to +60°C (23 to 140°F)

Operating humidity:

Probe: 15 to 85 % RH (non-condensing)

Transmitter: 30 to 90 % RH (non-condensing)

Mounting: Surface or DIN rail

Weight

Probe: 370 g (0.82 lb)

Transmitter: 300 g (0.66 lb)

PERFORMANCE in percentage of span

Accuracy: ±1.5 % at 20 Hz – 1 kHz

Repeatability: ±0.1 %

Position sensitivity: ±1 % (In recommended mounting;

otherwise the sensitivity may increase. Refer to the

instruction manual.)

Temp. coefficient: ±0.15 %/°C (±0.08 %/°F)

Response time: Approx. 1.5 sec. (0 – 90 %)

Ripple: 0.5 %p-p max.

Line voltage effect: ±0.1 % over voltage range

Insulation resistance: ≥ 100 MΩ with 500 V DC

Dielectric strength: 2000 V AC @ 1 minute

(Current input to sensor output or transmitter input or

transmitter output to power to ground)