Yamato BK/BA Series

Constant High Temp. Water Baths | Standard Type

BK310C/410C/510C/610C/710C, BA310C/410C/510C/610C/710C

Easy to use, with an observation window to confirm sample status, the constant high temperature water baths range from 27L to 144L in volume.

• BK Series: Fixed temp. operation
• BA Series: Program Operation

Features

• Achieve very high temperature adjustment precision through high precision temperature regulation methods and efficient circulation pumps stirring inside the bath.
• Temperature and time settings and indicators are all digitally displayed; quick auto-stop, auto-stop, and auto start functions can be realized.

Safety

• Equipped with self-diagnostic circuit (temperature sensor abnormality, heater disconnection, automatic overheating prevention, SSR short circuit), an independent overheating alarm, and safety functions such as leakage protection switches that prevent overcurrent and key lock.

Shared Specifications

Specification	Details
System	High efficiency circulation pump stirring
Operating temp. range	RT+5～80℃
Temp. adjusting accuracy	±0.02～±0.07℃
Temp. distribution accuracy	±0.3℃
Internal chamber	Stainless steel plate and glass
Temp. regulator	Computer PID control (BK: fixed temp. type, BA: fixed temp. type and program type)
Sensors	W sensor: platinum temperature measuring resistor Pt100Ω (temperature regulator) + K thermocouple (overheating preventer)
Temp. setting method	Digital Setting
Temp. display method	Digital display
Overheating preventer and setting method	Computer ON-OFF control, Digital Setting
Timer	1 min–99 h 59 min–999 h 59 min digital setting, auto start, auto stop, quick auto stop
Program function (BA type)	1 mode 30 steps, 2 mode 15 steps, 3 mode 10 steps
Safety device	Self-diagnostic circuit (temperature sensor error detection, heater disconnection protection, automatic overheating preventer, SSR short-circuit), overheating preventer, overcurrent leakage protection switch, and key lock functions
Drainage pipe	Φ15×20mm
Power supply (50/60Hz)	AC220V
Accessories	1 shelf, 1 set of clamp supports, 1 drain pipe, 1 hose plug
Options	Container installation bracket, viscosity meter bracket, external circulation pump, cooling pipe, water bath lid, external communication function (RS485)

Difference Between Model

Model	BK/BA310C	BK/BA410C	BK/BA510C	BK/BA610C	BK/BA710C
Max. temp. reaching time	Approx. 120 min	Approx. 110 min	Approx. 165 min	Approx. 160 min	Approx. 200 min
Heater (SUS316)	1.3KW	2.2KW	2.4KW	3.5KW	4.5KW
Stirring pump	6W	30W	30W	60W	60W
External dimensions (W×D×H mm)	490×360×367	590×410×367	690×460×417	738×560×467	830×560×517
Water bath dimensions (W×D×H mm)	300×300×300	400×350×300	500×400×350	548×500×400	640×500×450
Observation window dimensions (Width×height mm)	240×215	350×225	440×265	350×225	440×265
Internal bath capacity	Approx. 27L	Approx. 42L	Approx. 70L	Approx. 109L	Approx. 144L
Shelf sections	5	5	6	9	10
Rated current	7A	11A	12A	17A	22A
Weight	Approx. 19kg	Approx. 25kg	Approx. 30kg	Approx. 36kg	Approx. 46kg

---

As the authorized distributor of Yamato Scientific in Indonesia, PT Universal Labora Analitika is ready to support your needs from product consultation to delivery and after-sales support.