NoShok 1900C Specifications

Indicators

Compact Loop Powered Digital Indicators

SERIES1900C

LOOP POWERED DIGITAL INDICATORS

Noshok Series 1900 Compact Digital Indicators provide digital display
of any desired unit of pressure, temperature, level, force or flow
measurement. Their 3 1/2 digit display has a span range of 0 to 1999 and
is available in a positive image reflective LCD or in an optional back-lit
version.

They are housed in a compact, lightweight, impact resistant plastic case
with a clear viewing lens. The sealed front panel installation also meets
NEMA 4x/IP65 specifications for wash down and dusty environments,
when properly installed.

NOSHOK calibrates all of its indicators to your transducer at no additional

FEATURES

cost. Simply tell us how you want it set up, then plug it in and go; no muss,
no fuss, no charge!

I Factory scaled and calibrated

I Dual range 4 mA to 20 mA

or 10 mA to 50 mA

I 3 1/2 digit, 0.6″ high display

I Positive image reflective

LCD–standard

I Red or yellow/green back-lit

versions–optional

I Span and zero offset

capabilities

Outline Dimensions

2.95″

(75mm)

+.025

2.68″

+.06

(68mm

I Negative pressure and

overpressure indication

I Selectable decimal point

position

I NEMA 4X, IP65 sealed

front bezel

I Fits DIN standard cut-out

2.68 (68mm) x 1.30 (33mm)

1.54″

(39mm)

0.15″

(3.8mm)

)

1.96″

(50mm)

Panel

SPECIFICATIONS

Display 3 1/2 digit (- 1999 to 1999), 0.6 ″ tall LCD

Display type Positive image reflective LCD standard; red or yellow/green backlight

Power supply 1900C-1/1900C-2: Loop Powered, 4 mA to 20 mA or 10 mA to 50 mA

Input signal 4mAto20mAor10mAto50mA

Input impedence 160 ohms max @ 20 mA; 60 ohms max @ 50 mA

Maximum input current 100 mA

Span range 0 to 1999

Offset range -1999 to 1999

Linearity ±0.1 % to 1 digit

Reading rate 2.5 Readings per second, nominal

Response time 1.5 seconds to settle for a step change

Temperature ranges Storage -40 ° to 175 °F/-40 ° to 80 °C

1.29″

Thermal effect Span: 100PPM/°C

(33mm)

(reference temperature Offset: 0.2 digits/°C
68°F/20°C)

Electromagnetic rating CE compliant to EMC norm EN 61326:1997/A1:1998

Mounting Clip

Back-Light

Power Supply

transflective LCD optional

1900C-3/1900C-4: Loop Powered Display w/backlight power supply
115/230 Vac, 50/60 Hz, 3VA required for backlight power supply, unregulated

Operating 32 ° to 140 °F/0° to 60 °C

RFI, EMI and ESD protection

2.65″

(67mm)

46

Panel Cutout

1.30″ +.025

(33mm

+.06

)

(47mm)

2.65″ (67mm)

Includes Panel & Gasket Thickness

1.85″

2.60″

(66mm)

1900C-3/1900C-4: Loop Powered

Display with backlight power supply

SERIES19 0 0 C

ORDERING INFORMATION

WIRING DIAGRAMS
OPTIONAL POWER
SUPPLIES

ORDERING INFORMATION

SERIES 1900C

MODEL 1900C

INDICATION 1 Positive image reflective LCD 3 Yellow/green backlight transflective LCD with backlight power supply

Please consult your local NOSHOK Distributor or NOSHOK, Inc. for availability and delivery information.

2 Positive image reflective LCD backlight 4 Red backlight transflective LCD with backlight power supply

OPTIONAL POWER SUPPLIES

MODEL INPUT OUTPUT

PS1 115 Vac 12 Vdc
PS2 115 Vac 24 Vdc

2-WIRE

TRANSMITTER

115 Vac

PS1 or PS2

POWER SUPPLY

(12or24Vdc)

EXAMPLE

Model ...................1900C

Indication ......Red backlight LCD

115 Vac

Backlight power
supply standard
on 1900C-3 and
1900C-4

BACKLIGHT

POWER SUPPLY

1900C – 4

Typical wiring for the 1900C including the optional back light feature. See the photos below showing

both the green and red color backlight versions.

Available PS1 (12 Vdc) and PS2 (24 Vdc) power
supply for powering a typical 2 wire loop or 3
wire configuration.

Green Backlight Version
1900C-3

1900C-3/1900C-4: Loop Powered Display

with backlight power supply

Red Backlight Version
1900C-4

1900C-1/1900C-2: Loop Powered

47