ĐỒNG HỒ ĐO NHIỆT ĐỘ WIKA TGT70

Gas-actuated thermometer, model TGT70

Measurement principle

Bourdon tube system

Nominal size in mm

63 [2 ½"]

100 [4"]

Instrument version

Version H

63 [2 ½"]: Lower mount (radial) Instrument with remote capillary, rear surface mounting flange.

100 [4"] Lower mount (radial) Instrument with remote capillary, rear surface mounting flange.

Version M

63 [2 ½"]: Lower mount (radial) Instrument with remote capillary, instrument

mounting bracket

100 [4"]: Lower mount (radial) Instrument with remote capillary, instrument

mounting bracket

Version B

63 [2 ½"] Back mount (axial) Instrument with remote capillary, triangular

profile ring and mounting clamp

Version R

100 [4"] Lower mount (radial) Direct connection without remote capillary

Connection design

1 Plain stem (without thread)

2 Male nut

3 Union nut

4 Compression fitting (sliding on stem)

5 Union nut and loose threaded connection

6 Compression fitting (sliding on remote capillary)

Further connection designs on request

Unit (scale range)

°C

°F

°C/°F (dual scale)

Process connection

Plain

Indication accuracy

 Class 2, EN 13190

Stem diameter

8 mm [0.31 in]

Window

Laminated safety glass

Active probe length

Depending on Ø d and scale range

Remote capillary

Ø 2 mm [0.08 in], stainless steel 1.4571, bending radius no less than 6 mm [0.24 in]

Length to customer specification (max. 10 m [32.81 ft])

Connection location

Lower mount (radial)

Back mount (axial)

Remote capillary mounting

Take care that the mounting is free from vibration

Process connection

Stainless steel 1.4571

Stem

Stainless steel 1.4571

Case, bayonet ring

Stainless steel

Dial

Plastic, white, black lettering

Dial sticker

Plastic, white with logo

Pointer

Aluminium, black

Fill fluid of measuring system

Xylene

Silicone oil

Thermowell/protection tube

Without

Per DIN

To customer specification

Ingress protection per IEC/EN 60529

IP65

Permissible temperatures

Ambient temperature at case: Max. 0 ... 40 °C [32 ... 104 °F] (others on request)

Storage and transport per EN 13190: -20 ... +60 °C [-4 ... +140 °F]

Permissible operating pressure at the stem

Max. 25 bar [362.59 psi], static

Electrical specifications

Electrical connection

Lateral cable socket

Cable gland

Cable outlet

M12 connector

Output signal

Voltage signal

For Us = DC 5 V, ratiometric: 0.5 … 4.5 V

For Us = DC 12 … 32 V

not ratiometric (NS 100 [4"] only): 0.5 … 4.5 V

Current output

4 … 20 mA, 2-wire

Accuracy of electrical output signal

Mechanical ±1 % of measuring span

Supply voltage US

DC 5 V / DC 12 … 32 V

Electromagnetic compatibility

Per test standards EN 61000-4-6 / EN 61000-4-3

Output signal and permissible load

Voltage output (3-wire) RA > 5 kΩ

Current output (2-wire) 4 ... 20 mA RA ≤ (USIG - 10 V) / 0.02 A with RA in Ω and USIG in DC V