• Part Number: PTC-155-C-230A-UN2-R11-F
• Temperature Range: -13 to 311°F (-25 to 155°C)
• Model: Middle model; reference sensor input
• Insert Type: Undrilled insert
• Insert: Undrilled insert & plug, 4mm ref. hole
• External Reference Sensor: STS-150 reference sensor, diameter 4mm, length 180mm
• Calibration Certificate: Traceable Calibration Certificate
• Accessories: Without any additional accessories
• High accuracy: ±0.15°F (±0.08°C)
• Superior temperature homogeneity
• Intelligent reference sensors
• USB communication
• High speed heating and cooling times
• color display and user-friendly navigation
• Switch test (with B model)
• Auto-stepping

• Temperature range @ 23°C / 73°F:
• PTC-155: -25 to 155°C / -13 to 311°F
• PTC-350: 33 to 350°C / 91 to 662°F
• PTC-660: 33 to 660°C / 91 to 1220°F
• Accuracy (model B & C) with external STS ref. sensor:
• PTC-155 B & C:  ±0.06°C/±0.11°F
• PTC-350 B & C: ±0.08°C/±0.15°F
• PTC-660 B & C:  ±0.15°C/±0.27°F
• 12-month period. Relative to reference standard. Specifications by use of the external JOFRA STS-150 reference sensor
• Accuracy with internal reference sensor:
• PTC-155 A, B & C :  ±0.18°C/±0.32°F
• PTC-350 A, B & C :  ±0.20°C/±0.36°F
• PTC-660 A, B & C @ 33 to 420°C:  ±0.30°C/±0.54°F
• PTC-660 A, B & C @ 420 to 660°C:  ±0.50°C/±0.54°F
• Stability:
• PTC-155:  ±0.01°C/±0.018°F
• PTC-350 :  ±0.02°C/±0.036°F
• PTC-660 :  ±0.04°C/±0.072°F
• Measured after the stability indicator has been on for 15 minutes. Measuring time is 30 minutes.
• Radial homogeneity (difference between holes):
• PTC-155: 0.01°C/0.018°F
• PTC-350 : 0.02°C/0.036°F
• PTC-660 : 0.10°C/0.180°F
• Resolution (user-selectable):
• All temperatures : .1° or 0.1° or 0.01°
• Heating time:
• PTC-155 -25 to 23°C/-13 to 73°F: 4 minutes
• 23 to 155°C/73 to 311°F: 12 minutes
• PTC-350 33 to 350°C/91 to 662°F: 7 minutes
• PTC-660 33 to 660°C/91 to 1220°F: 20 minutes
• Cooling time:
• PTC-155 155 to 23°C/311 to 73°F:  10 minutes
• 23 to -25°C/73 to -13°F:  15 minutes
• PTC-350 350 to 100°C/662 to 212°F: 12 minutes
• 100 to 50°C/212 to 122°F: 12 minutes
• PTC-660 660 to 100°C/1220 to 212°F: 36 minutes
• 100 to 50°C/212 to 122°F:  15 minutes
• Time to stability (approx.):
• PTC-155 :  10 minutes
• PTC-350 :  10 minutes
• PTC-660 : 10 minutes
• Immersion depth:
• PTC-155:  160 mm/6.3 in
• PTC-350 :  140 mm/5.5 in
• PTC-660 :  150 mm/5.9 in
• Thermocouple input:
• Range:  ±78 mV
• F.S. (Full Scale) :  78 mV
• Accuracy (12 months) :  ±(0.02% Rdg. + 0.01% F.S.)
• Transmitter supply (B model only):
• Output voltage:  24VDC ±10%
• Output current:  Maximum 28 mA
• Transmitter input mA (B model only):
• Range : 0 to 24 mA
• Accuracy (12 months) : ±(0.02% Rdg. +0.01% F.S.)
• Mains specifications:
• Voltage : 115V (90-127) / 230V (180-254)
• Frequency, non US deliveries : 50 Hz ±5, 60 Hz ±5
• Frequency, US deliveries : 60 Hz ±5
• Power consumption (max.) PTC-155: 400 W
• Power consumption (max.) PTC-350/PTC-660: 1150 W
• Switch input (B model only):
• Switch dry contacts:
• Test voltage: Maximum 5 VDC
• Test current : Maximum 2.5 mA
• Communication interface:
• Serial data interface : USB 2.0 device port
• Serial data interface : USB 2.0 host double port*
• LAN:  Ethernet MAC 10/100 Base-T*
• * for future expansion
• Miscellaneous:
• Operating temperature: 0 to 40°C/32 to 104°F
• Storage temperature : -20 to 50˚C/-4 to 122˚F
• Humidity: 0 to 90% RH
• Protection class : IP-10
• PHYSICAL SPECIFICATIONS:
• Weight and instrument size (L x W x H):
• PTC-155 : 10.3 kg/22.7 lb
• PTC-350 : 8.2 kg/18.1 lb
• PTC-660 : 8.9 kg/19.6 lb
• PTC-ALL: 362 x 171 x 363 mm/14.3 x 6.7 x 14.3 in
• Shipping (without carrying case):
• PTC-155 : 14.0 kg/30.9 lb
• PTC-350 : 11,9 kg/26.2 lb
• PTC-660 :12,6 kg/27.8 lb
• PTC-ALL: 580 x 250 x 500 mm/22.8 x 9.8 x 19.7 in
• Shipping (including solid protective carrying case) - CX:
• PTC-155 :19.0 kg/41.9 lb
• PTC-350 :16.9 kg/37.2 lb
• PTC-660 :17.6 kg/38.8 lb
• PTC-ALL: 610 x 340 x 495 mm/24.0 x 13.4 x 19.5 in
• Shipping (including solid protective trolley carrying case) - CT:
  
• PTC-155 : 23.9 kg/52.7 lb
• PTC-350 : 21.8 kg/48.1 lb
• PTC-660: 22.5 kg/49.6 lb
• PTC-ALL: 550 x 440 x 610 mm/21.7 x 17.3 x 24.0 in
• Shipping (carrying case only) - CX:
• Weight : 7.2 kg/15.9 lb
• Size: 610 x 340 x 495 mm/25.5 x 13.4 x 19.5 in
• Shipping (carrying case only) - CT:
• Weight : 12.1 kg/26.7 lb
• Size: 550 x 440 x 610 mm/21.7 x 17.3 x 24.0 in
• INSERTS:
• Insert dimensions, diameter & length:
• PTC-155 and PTC-350: 25.8 x 150 mm/1.02 x 5.91 in
• PTC-660 : 24.8 x 160 mm/0.98 x 6.30 in
• Insert material:
• PTC-155 and PTC-350 : aluminium
• PTC-660 : brass
• Weight of non-drilled insert (approx.)
• PTC-155 and PTC-350 : 205 g / 7.2 oz
• PTC-660 : 630 g / 22.2 oz
• Use of other inserts may reduce performance of the calibrator. To get the best results out of the calibrator, the insert dimensions, tolerance and material is critical. We highly advise using JOFRA inserts, as they guarantee trouble free operation.

• (1) PTC-155 dry-block calibrator
• (1) Undrilled insert & plug, 4mm ref. hole
• (1) STS-150 Ref. Sensor. Dia. 4mm. Length 180mm (STS150A915EH)
• (1) Mains power cable, 230 EU
• (1) Traceable certificate for reference input
• (1) Tool for insertion tubes
• (1) Heat shield
• (1) JOFRACAL
• (1) USB cable
• (1) Instruction Manual

Brochure/Datasheet

Instruction Manual

JofraCal, 32 bit (7.0.1.6)

JofraCal, 64 bit (7.0.1.6)

AmeTrim (3.0.1.1)

Con50, 32 bit (3.2.0.1)

Con50, 64 bit (3.2.0.1)

Note: Prices are not binding at any time subject to change without prior notice