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
